CN113712351A - Corner-cut rectangular clover diamond and processing method thereof - Google Patents

Corner-cut rectangular clover diamond and processing method thereof Download PDF

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Publication number
CN113712351A
CN113712351A CN202111003958.2A CN202111003958A CN113712351A CN 113712351 A CN113712351 A CN 113712351A CN 202111003958 A CN202111003958 A CN 202111003958A CN 113712351 A CN113712351 A CN 113712351A
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China
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facets
pavilion
diamond
angle
clover
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CN202111003958.2A
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CN113712351B (en
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郭文辉
张帅
张贤涛
赵鑫
寇菲菲
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Zhongnan Diamond Co Ltd
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Zhongnan Diamond Co Ltd
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    • AHUMAN NECESSITIES
    • A44HABERDASHERY; JEWELLERY
    • A44CPERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C17/00Gems or the like
    • A44C17/007Special types of gems
    • AHUMAN NECESSITIES
    • A44HABERDASHERY; JEWELLERY
    • A44CPERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C27/00Making jewellery or other personal adornments
    • A44C27/001Materials for manufacturing jewellery

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Adornments (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)

Abstract

The invention discloses a corner cut rectangular clover diamond and a processing method thereof, wherein a table top cutting process, a waist cutting process, a pavilion processing process and a crown processing process are adopted, a clover-shaped pattern is observed from the pavilion, and a clover pattern is also observed from the crown, so that the method is changed from a processing structure, the refraction degree of the diamond is improved to a great extent, unique fire colors of the diamond can be shown from different angles, the fire color effect of the diamond is greatly improved, the utilization rate of a diamond blank is improved, and more and better choices are provided for wide consumers.

Description

Corner-cut rectangular clover diamond and processing method thereof
Technical Field
The invention belongs to the technical field of jewelry and jewelries, and particularly relates to a corner-cut rectangular clover diamond and a processing method thereof.
Background
The international standard for diamond value determination is the 4C standard. The 4C criteria include weight, clarity, color, and cut, the first three being the natural conditions of diamond formation, which cannot be changed, only cut can enhance the inherent value of the diamond. The clover is simple and elegant, symbolizes happiness, and is deeply liked by consumers, but because the clover diamond jewelry in the current market is single in product and is multipurpose for the round diamond clover shape, the diamond sparkling effect cannot be completely reflected, and the utilization rate of the diamond blank is lower.
The Chinese invention patent 'processing method of clover diamond and clover diamond thereof' (publication number: CN107080336B) discloses a processing method of clover diamond and clover diamond thereof, wherein, the clover diamond comprises a crown part, a waist part and a bottom part, the crown part is composed of a table surface, eight crown surfaces, eight triangular facet surfaces and 16 upper waist facet surfaces, the bottom part is composed of N bottom facet surfaces … … and eight curves which are connected end to end on four tip surfaces, and the surfaces enclosed by the eight curves which are connected end to end form the shape of clover leaves; the invention adopts a brand-new grinding process, can grind four grass shapes on diamonds, provides a new variety for diamond series and provides more consumption choices for consumers; however, the method for processing the bottom surface still needs to be improved.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a corner cut rectangular clover diamond and a processing method thereof, so that the corner cut rectangular clover diamond can be obtained better.
In order to solve the technical problems, the invention adopts the technical scheme that:
a method for processing a diamond of a square clover with cut corners comprises the following steps,
(1) cutting the table top, namely cutting the table top (11) on the diamond blank;
(2) girdle cutting, diamond preforming cutting girdle facets (12);
(3) processing a part below the waist on the diamond blank into a pavilion part;
(4) processing the crown part, namely processing the part above the waist part on the diamond blank into the crown part;
the step (3) comprises the following steps:
(31) polishing four first pavilion first-level facets (13) at positions below the girdle by using the first pavilion a1 angle (111) as a reference;
(32) based on two adjacent first pavilion first-level facets (13), the first pavilion a2 corner (112) is provided with four first pavilion bottom corner facets (14) between the two first pavilion first-level facets, and the four first-level facets (13) of the first pavilion and the four bottom corner facets (14) of the first pavilion are on the same level;
(33) according to the four base angle facets (14), grinding four main facets (15) of the second pavilion at an angle a3 (113) at the base angle position of the second pavilion, wherein the apexes of the four main facets (15) are on the same apex, and the main facets (15) of the second pavilion intersect with the pavilion base angle facets to form an isosceles trapezoid;
(34) two second pavilion facets (16) are respectively ground on the left side and the right side of the main facet by an angle a4 on the basis of the second pavilion main facet, the two facets (16) are consistent in size, and the other facets are ground by the same method;
(35) and the intersection point of two adjacent small facets (16) in the second pavilion is taken as a starting point, four secondary facets (17) are ground by taking an angle a5 (115) to be parallel to the primary facet (13) of the first pavilion, four tertiary facets (18) are ground by taking an angle a6 (116) to be parallel to the secondary facet (17), four quaternary facets (19) are ground by taking an angle a7 (117) to be parallel to the tertiary facets (18), each level of facets is above the same level, and the ground first pavilion and the ground second pavilion obviously form a cloverleaf shape.
The angle a1 (111) is 63 degrees, the angle a2 (112) is 53 degrees, the angle a3 (113) is 42 degrees, the angle a4 (114) is 44 degrees, the angle a5 (115) is 54 degrees, the angle a6 (116) is 43 degrees, and the angle a7 (117) is 35 degrees.
A cut-angle rectangular clover diamond processed by the method comprises a crown part, a girdle part and a pavilion part, wherein a crown part facet is arranged between a table board and the girdle part; the pavilion is composed of a first pavilion including a plurality of main facets and bottom corner facets and a second pavilion including a plurality of main facets and small facets.
The first pavilion comprises 16 main facets and 4 base angle facets, and is connected with the 4 main facets and 8 small facets of the second pavilion at each side, and the reflection of the crown of the first pavilion is in a cloverleaf pattern.
The aspect ratio of the clover diamond is between 59% and 72%.
The total depth ratio of the clover diamond is 59-65%.
The waist thickness ratio of the clover diamond is between 1.5 and 5 percent.
The invention has the beneficial effects that:
the cutting angle rectangular clover diamond and the processing method thereof have the advantages that through creating a new grinding process, clover-shaped patterns are observed from the pavilion, the reflection also shows the clover patterns observed from the crown, the method is changed from the processing structure, the refraction degree of the diamond is improved to a great extent, unique fire colors can be shown from different angles, the fire color effect of the diamond is greatly improved, the utilization rate of diamond blanks is improved, and more and better choices are provided for vast consumers.
Drawings
FIG. 1 is a schematic diagram of the flat structure of table polishing of diamond blank according to the present invention;
FIG. 2 is a schematic diagram of a flat configuration of waist polishing of a diamond blank according to the present invention;
FIG. 3 is a schematic plan view of a first pavilion portion facet grinding of a diamond blank of the present invention;
FIG. 4 is a schematic plan view of the main facet grinding of a second pavilion of the diamond blank of the present invention;
FIG. 5 is a schematic plan view of the second pavilion facet grinding of the diamond blank of the present invention;
FIG. 6 is a schematic plan view of the first pavilion portion of the facet grinding of the diamond blank of the present invention;
FIG. 7 is a schematic front view of a corner cut rectangular clover diamond according to the present invention;
FIG. 8 is a schematic side view of a corner cut rectangular clover diamond according to the present invention;
FIG. 9 is a schematic view of a corner cut rectangular clover diamond according to the present invention as viewed from the pavilion;
figure 10 is a schematic view of a cut rectangular clover diamond according to the present invention viewed from the crown.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
The present invention provides a diamond of a square clover with cut corners and a method for processing the same, as shown in fig. 1 to 10.
The processing method of the diamond with the corner cut rectangular clover comprises the following specific steps:
(1) cutting the table top, namely cutting the table top (11) on the diamond blank;
(2) girdle cutting, diamond preforming cutting girdle facets (12);
(3) processing a part below the waist on the diamond blank into a pavilion part;
(4) and processing the crown part, namely processing the part above the waist part on the diamond blank into the crown part.
The step (3) comprises the following steps:
(31) grinding four first pavilion first-level facets (13) at positions below the girdle by using the girdle as a reference and a first pavilion 63-degree angle (111);
(32) based on two adjacent first pavilion first-level facets (13), the first pavilion 53-degree angle (112) is used for polishing four first pavilion base angle facets (14) between the two first pavilion first-level facets, so that the four first-level facets (13) of the first pavilion and the four base angle facets (14) of the first pavilion are on the same level;
(33) according to the four base angle facets (14), grinding four main facets (15) of the second pavilion at an angle (113) of 42 degrees at the base angle position of the second pavilion, wherein the apexes of the four main facets (15) are positioned at the same vertex, and the main facets (15) of the second pavilion are intersected with the base angle facets of the pavilion to form an isosceles trapezoid;
(34) two second pavilion small facets (16) are respectively ground on the left side and the right side of the main facet at an angle (114) of 44 degrees on the basis of the second pavilion main facet, the two small facets (16) have the same size, and the other small facets are ground by the same method;
(35) and the intersection point of two adjacent small facets (16) in the second pavilion is taken as a starting point, four secondary facets (17) are ground by an angle (115) of 54 degrees and are parallel to the primary facet (13) of the first pavilion, four tertiary facets (18) are ground by an angle (116) of 43 degrees and are parallel to the secondary facet (17), four quaternary facets (19) are ground by the same method, each level of facets is parallel to the tertiary facets (18) by an angle (117) of 35 degrees, and the ground first pavilion and the second pavilion obviously form a cloverleaf blade shape.
The rectangular clover diamond processed according to the processing method of the rectangular clover diamond comprises 16 first-level, second-level, third-level and fourth-level facets of a first pavilion and four base angle facets; the four main facets of the second pavilion, eight facets.
The corner cut rectangular clover diamond comprises a crown part, a waist part and a pavilion part, wherein a crown part facet is arranged between a table board and the waist part; the pavilion is composed of a first pavilion including a plurality of main facets and bottom corner facets and a second pavilion including a plurality of main facets and small facets. In this embodiment, the first pavilion includes 16 main facets and four base angle facets, and is connected to each side of the 4 main facets and 8 facet facets of the second pavilion, and the reflection of the crown thereof is in a cloverleaf pattern.
The table width ratio of the corner cut rectangular clover diamond is selected between 59% -72%.
The total depth ratio of the corner-cut rectangular clover diamond is 59-65%.
The thickness ratio of the cut-angle rectangular clover diamond is selected between 1.5 percent and 5 percent.
The crown and waist sanding methods of the present invention are conventional sanding methods and will not be repeated herein.
The cutting angle rectangular clover diamond and the processing method thereof have the advantages that through creating a new grinding process, clover-shaped patterns are observed from the pavilion, the reflection also shows the clover patterns observed from the crown, the method is changed from the processing structure, the refraction degree of the diamond is improved to a great extent, unique fire colors can be shown from different angles, the fire color effect of the diamond is greatly improved, the utilization rate of diamond blanks is improved, and more and better choices are provided for vast consumers.
Where the words "first", "second", etc. are used in this patent to define parts, those skilled in the art will recognize that: the use of "first" and "second" is merely for convenience in describing the invention and to simplify the description, and the words are not intended to have a special meaning.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents.
The endpoints of the ranges and any values disclosed herein are not limited to the precise range or value, and such ranges or values should be understood to encompass values close to those ranges or values. For ranges of values, between the endpoints of each of the ranges and the individual points, and between the individual points may be combined with each other to yield one or more new ranges of values, which ranges of values should be considered as specifically disclosed herein.
In the description of the present invention, it is to be understood that the terms "front", "rear", "left", "right", "center", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the scope of the present invention.

Claims (7)

1. A method for processing a diamond of a square clover with cut corners comprises the following steps,
(1) cutting the table top, namely cutting the table top (11) on the diamond blank;
(2) girdle cutting, diamond preforming cutting girdle facets (12);
(3) processing a part below the waist on the diamond blank into a pavilion part;
(4) processing the crown part, namely processing the part above the waist part on the diamond blank into the crown part;
characterized in that the step (3) comprises the following steps:
(31) polishing four first pavilion first-level facets (13) at positions below the girdle by using the first pavilion a1 angle (111) as a reference;
(32) based on two adjacent first pavilion first-level facets (13), the first pavilion a2 corner (112) is provided with four first pavilion bottom corner facets (14) between the two first pavilion first-level facets, and the four first-level facets (13) of the first pavilion and the four bottom corner facets (14) of the first pavilion are on the same level;
(33) according to the four base angle facets (14), grinding four main facets (15) of the second pavilion at an angle a3 (113) at the base angle position of the second pavilion, wherein the apexes of the four main facets (15) are on the same apex, and the main facets (15) of the second pavilion intersect with the pavilion base angle facets to form an isosceles trapezoid;
(34) two second pavilion facets (16) are respectively ground on the left side and the right side of the main facet by an angle a4 on the basis of the second pavilion main facet, the two facets (16) are consistent in size, and the other facets are ground by the same method;
(35) and the intersection point of two adjacent small facets (16) in the second pavilion is taken as a starting point, four secondary facets (17) are ground by taking an angle a5 (115) to be parallel to the primary facet (13) of the first pavilion, four tertiary facets (18) are ground by taking an angle a6 (116) to be parallel to the secondary facet (17), four quaternary facets (19) are ground by taking an angle a7 (117) to be parallel to the tertiary facets (18), each level of facets is above the same level, and the ground first pavilion and the ground second pavilion obviously form a cloverleaf shape.
2. The method of claim 1, wherein the diamond processing method comprises: the angle a1 (111) is 63 degrees, the angle a2 (112) is 53 degrees, the angle a3 (113) is 42 degrees, the angle a4 (114) is 44 degrees, the angle a5 (115) is 54 degrees, the angle a6 (116) is 43 degrees, and the angle a7 (117) is 35 degrees.
3. The method of claim 1 or 2, wherein the diamond is selected from the group consisting of: comprises a crown part, a girdle part and a pavilion part, and a crown part facet is arranged between a table surface and the girdle part; the pavilion is composed of a first pavilion including a plurality of main facets and bottom corner facets and a second pavilion including a plurality of main facets and small facets.
4. The corner cut rectangular clover diamond of claim 3, wherein: the first pavilion comprises 16 main facets and 4 base angle facets, and is connected with the 4 main facets and 8 small facets of the second pavilion at each side, and the reflection of the crown of the first pavilion is in a cloverleaf pattern.
5. The corner cut rectangular clover diamond of claim 3, wherein: the aspect ratio of the clover diamond is between 59% and 72%.
6. The corner cut rectangular clover diamond of claim 3, wherein: the total depth ratio of the clover diamond is 59-65%.
7. The corner cut rectangular clover diamond of claim 3, wherein: the waist thickness ratio of the clover diamond is between 1.5 and 5 percent.
CN202111003958.2A 2021-08-30 2021-08-30 Corner-cut rectangular clover diamond and processing method thereof Active CN113712351B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020170315A1 (en) * 2001-05-18 2002-11-21 Joesph Mardkha Faceted mixed cut gemstone for controled brilliance
US6668585B1 (en) * 2000-11-13 2003-12-30 David Markowitz Multi-faceted combined cut gemstones
US20140033765A1 (en) * 2011-05-27 2014-02-06 Octonus Dia-Tech Private Ltd. Method for determining a cut for a gemstone
US20170202319A1 (en) * 2014-05-01 2017-07-20 Tasuko Co., Ltd Jewel
CN107280158A (en) * 2017-07-03 2017-10-24 吴建兵 The processing method and its bunge bedstraw herb diamond of bunge bedstraw herb diamond
CN211722086U (en) * 2020-01-17 2020-10-23 广东联达网络科技有限公司 New raddean diamond

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6668585B1 (en) * 2000-11-13 2003-12-30 David Markowitz Multi-faceted combined cut gemstones
US20020170315A1 (en) * 2001-05-18 2002-11-21 Joesph Mardkha Faceted mixed cut gemstone for controled brilliance
US20140033765A1 (en) * 2011-05-27 2014-02-06 Octonus Dia-Tech Private Ltd. Method for determining a cut for a gemstone
US20170202319A1 (en) * 2014-05-01 2017-07-20 Tasuko Co., Ltd Jewel
CN107280158A (en) * 2017-07-03 2017-10-24 吴建兵 The processing method and its bunge bedstraw herb diamond of bunge bedstraw herb diamond
CN211722086U (en) * 2020-01-17 2020-10-23 广东联达网络科技有限公司 New raddean diamond

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