Diamond cutting processing technology

Abstract

The invention discloses a diamond cutting processing technology, and relates to the technical field of diamond processing, a table top, eight first facets and eight kite faces are cut on the crown part of a diamond, and two pairs of upper waist facets are cut between every two kite faces; the diamond pavilion part is cut into a regular hexadecagonal cone, two bottom reverse faces are cut at the position, close to the pavilion tip, of each conical face of the regular hexadecagonal cone, the positions of the high points of the two bottom reverse faces coincide, and a heart shape is formed at the pavilion tip; and eight petal surfaces are cut in the circumferential direction of the diamond waist. Compared with the prior art, the method has the advantages that the optical performance is remarkably improved, the diamond is endowed with unique appearance, and the cutting precision is accurately controlled.

Description

Technical Field

[0001] This invention relates to the field of diamond processing technology, specifically to a diamond cutting and processing technology. Background Technology

[0002] Diamonds, as precious gemstones, are beloved for their dazzling brilliance and unique charm. The cutting and processing techniques of a diamond have a crucial impact on its final visual effect and value. Currently, there are various common diamond cutting methods on the market, such as the round brilliant cut, princess cut, and emerald cut. Existing diamond cutting techniques have developed into a relatively mature technical system over a long period. Taking the round brilliant cut as an example, this cutting method involves cutting a specific number and shape of facets in the crown and pavilion of the diamond, allowing light to undergo multiple reflections and refractions within the diamond, thus producing a bright luster and intense fire. However, existing cutting techniques still have some shortcomings in pursuing the optical performance and appearance of diamonds, specifically as follows:

[0003] (1) Limited improvement in optical performance: Although existing cutting techniques can make diamonds exhibit a certain luster and fire, there is still room for improvement in the efficiency of light reflection and refraction. Some cutting methods, due to the less-than-optimal shape and arrangement of facets, result in an imperfect propagation path of light within the diamond, failing to fully stimulate the diamond's potential optical performance, thus preventing the diamond's brightness, fire, and scintillation from reaching their optimal state. (2) Insufficient uniqueness in appearance: Most diamond products on the market use traditional cutting methods, resulting in similar appearances and a lack of uniqueness and innovation. When purchasing diamonds, consumers often hope to own diamonds with unique appearances to showcase their personality and taste. However, existing cutting techniques are unable to meet this demand, resulting in a low degree of differentiation in the appearance of diamond products. (3) High difficulty in controlling cutting precision: Diamond cutting is a high-precision processing technique, requiring extremely high precision and parameter control. During operation, existing cutting techniques lack effective real-time monitoring and adjustment methods, making it difficult to ensure that the diamond's various parameters remain within the optimal range. Once the cutting parameters deviate, it will affect the diamond's optical performance and appearance quality, reducing the diamond's value. Summary of the Invention

[0004] The purpose of this invention is to provide a diamond cutting and processing technology to solve the problems of limited improvement in optical performance, insufficient uniqueness in appearance, and difficulty in controlling cutting precision in the existing technology, thereby improving the optical performance and appearance of diamonds and meeting consumers' demand for high-quality and unique diamonds.

[0005] Specifically, the technical solution provided by this invention is: a diamond cutting and processing technology, comprising the following steps:

[0006] Step 1, Crown Cutting: Cut a table, eight first facets, and eight kite facets on the crown of the diamond. Cut two pairs of upper girdle facets between every two kite facets. The table is octagonal, and the eight isosceles trapezoids with the sides of the octagonal table as their upper bases are adjacent to each other. Cut eight first facets at the eight corners of the octagonal table. Cut two pairs of upper girdle facets between the midpoints of the bases of two adjacent isosceles trapezoids. The isosceles trapezoids are cut into kite facets.

[0007] Step 2, Pavilion Cutting: Cut the pavilion of the diamond into a regular sixteen-cone shape. On each cone facet of the regular sixteen-cone, near the pavilion tip, cut two bottom reverse faces, with the high points of these two bottom reverse faces coinciding, forming a heart shape at the pavilion tip.

[0008] Step 3, Girdle Cutting: Cut eight facets around the girdle of the diamond.

[0009] Preferably, during the processing, the total height of the diamond is controlled to be 59% - 64%, the facet angle to be 33 - 36.5°, the facet height to be 14% - 16%, the edge thickness to be 2% - 5%, the table to be 58% - 60%, the apex angle to be 41° - 42.8°, the apex height to be 42% - 44%, the star proportion to be 45% - 55%, and the heart proportion to be 26% - 29%.

[0010] Preferably, step 1 further includes:

[0011] Step 1.1: After cutting out the octagonal table and eight isosceles trapezoids, perform preliminary sanding on the octagonal table and isosceles trapezoids to ensure that each surface is flat and smooth.

[0012] Step 1.2: Then proceed with the subsequent cutting of the first facet, the upper waist facet, and the kite facet.

[0013] Preferably, step 2 further includes:

[0014] Step 2.1: After cutting the sixteenth vertebral body, perform preliminary trimming on each conical surface of the sixteenth vertebral body to remove burrs and uneven parts generated during the cutting process;

[0015] Step 2.2: Cut the bottom reverse side.

[0016] Preferably, step 3 also includes marking the girdle of the diamond before cutting the eight facets to determine the cutting position and angle of each facet, ensuring that the eight facets are evenly distributed in the circumferential direction.

[0017] Preferably, in parameter control, professional measuring tools, such as optical measuring instruments and laser measuring instruments, are used to measure and monitor various parameters of the diamond in real time, and the cutting process is adjusted in a timely manner based on the measurement results to ensure that the various parameters of the diamond meet the requirements.

[0018] Preferably, step 4, polishing, is also included: using diamond powder and a cast iron disc to polish each facet of the diamond to achieve a mirror-like finish, thereby improving the diamond's luster and fire.

[0019] Preferably, the diamond has a table, eight first facets, and eight kite facets on its crown, with two pairs of upper girdle facets between every two kite facets; its pavilion is a regular sixteen-sided cone with a heart shape formed by thirty-two bottom facets at the pavilion tip; eight petal facets are distributed around the circumference of the girdle; the total height, facet angles, facet heights, edge thickness, table, bottom angles, bottom heights, star proportions, and heart proportions of the diamond all conform to the parameter ranges specified in claim 1.

[0020] Compared with the prior art, the advantages of this invention are: (1) Significantly improved optical performance: The cutting process of this invention optimizes the propagation path of light inside the diamond through unique crown, pavilion and girdle cutting methods and precise parameter control. The combination of the octagonal table and multiple facets of the crown, as well as the design of the sixteen-cone pediment and heart-shaped bottom of the pavilion, allows light to be reflected and refracted more fully inside the diamond, thereby significantly improving the brightness, fire and scintillation of the diamond, solving the problem of limited improvement in optical performance in the prior art. (2) Gives the diamond a unique appearance: The cutting process of this invention forms a heart-shaped structure at the pavilion of the diamond. Combined with the unique cutting design of the crown and girdle, the diamond has a unique appearance. This unique appearance is different from the traditional diamond cutting methods on the market, which can meet the consumer's demand for personalized and unique diamonds, solving the problem of insufficient appearance uniqueness in the prior art. (3) Precise control of cutting accuracy: In the parameter control process, this invention uses professional measuring tools to measure and monitor the various parameters of the diamond in real time, and adjusts the cutting process in a timely manner according to the measurement results. This real-time monitoring and adjustment mechanism ensures that all parameters of the diamond remain within the optimal range, effectively solving the problem of difficulty in controlling cutting precision in existing technologies and improving the processing quality and stability of diamonds. Detailed Implementation

[0021] Example 1

[0022] This embodiment provides a diamond cutting and processing technology, including the following steps:

[0023] I. Crown Cutting

[0024] The diamond crown is cut with a table, eight first facets, and eight kite facets. Two pairs of upper girdle facets are cut between every two kite facets. The table is octagonal, and the eight isosceles trapezoids, each with its upper base as a side of the octagonal table, are paired together. Eight first facets are cut at the eight corners of the octagonal table. Two pairs of upper girdle facets are cut between the midpoints of the bases of two adjacent isosceles trapezoids, which are then cut into kite facets. After cutting the octagonal table and eight isosceles trapezoids, the octagonal table and isosceles trapezoids are initially polished to ensure a smooth surface. Subsequent cutting of the first facets, upper girdle facets, and kite facets is then performed.

[0025] II. Pavilion Section Cutting

[0026] The pavilion of the diamond is cut into sixteen cones. Two underfaces are cut on each cone facet near the pavilion apex, with the high points of these two underfaces coinciding, forming a heart shape at the pavilion apex. After cutting the sixteen cones, each cone facet is preliminarily trimmed to remove burrs and uneven areas generated during the cutting process; then the underfaces are cut.

[0027] III. Waist Cutting

[0028] Eight facets are cut along the circumference of the diamond's girdle. Before cutting the eight facets, the girdle is marked to determine the cutting position and angle of each facet, ensuring that the eight facets are evenly distributed circumferentially.

[0029] IV. Polishing

[0030] Diamond powder and cast iron discs are used to polish the facets of a diamond, giving it a mirror-like finish and enhancing its luster and fire.

[0031] During processing, the diamond's total height is controlled at 59% - 64%, facet angle at 33° - 36.5°, facet height at 14% - 16%, edge thickness at 2% - 5%, table at 58% - 60%, culet angle at 41° - 42.8°, culet height at 42% - 44%, star proportion at 45% - 55%, and heart proportion at 26% - 29%. In parameter control, professional measuring tools, such as optical measuring instruments and laser measuring instruments, are used to measure and monitor various diamond parameters in real time. The cutting process is adjusted promptly based on the measurement results to ensure that all diamond parameters meet the requirements.

[0032] The following detailed description of a diamond cutting process according to the present invention is provided in conjunction with specific embodiments.

[0033] Example 2

[0034] This embodiment provides a specific implementation of the process, using laser cutting equipment to cut an octagonal table on the crown of a diamond. Using the edges of the octagonal table as the upper base, eight isosceles trapezoids are cut, with each trapezoid adjacent to the next. The octagonal table and the eight isosceles trapezoids are initially polished to make their surfaces smooth. Eight first facets are cut at the eight corners of the octagonal table. Two pairs of upper waist facets are cut between the midpoints of the bases of two adjacent isosceles trapezoids, shaping the isosceles trapezoids into kite facets.

[0035] The diamond pavilion is cut into sixteen cones using laser cutting equipment. Each cone facet of the sixteen cones is preliminarily trimmed to remove burrs and uneven areas generated during the cutting process. Two bottom facets are cut near the pavilion tip on each cone facet of the sixteen cone, ensuring that the high points of these two bottom facets coincide, forming a heart shape at the pavilion tip.

[0036] Mark the girdle of the diamond to determine the cutting position and angle of each facet. Use a laser cutting device to cut eight facets circumferentially along the girdle of the diamond, ensuring that the eight facets are evenly distributed circumferentially.

[0037] A laser measuring instrument is used to measure and monitor parameters such as the diamond's total height, facet angles, facet height, edge thickness, table, culet angle, culet height, star proportion, and heart proportion in real time. Based on the measurement results, if any parameters deviate from the specified range, the cutting process is adjusted promptly, such as adjusting the cutting angle and depth of the cutting equipment, to ensure that all diamond parameters meet the requirements. Specifically, the total height is controlled at 60%, facet angles at 35°, facet height at 15%, edge thickness at 3%, table at 59%, culet angle at 42°, culet height at 43%, star proportion at 50%, and heart proportion at 27%. Diamond powder and a cast iron disc are used to polish each facet of the diamond. After multiple polishing processes, the diamond surface achieves a mirror finish, enhancing its luster and fire.

[0038] Example 3

[0039] The steps in this embodiment are basically the same as those in Embodiment 2. The difference is that in the parameter control, the total height is controlled at 62%, the face angle is controlled at 34°, the face height is controlled at 14.5%, the edge thickness is controlled at 4%, the table surface is controlled at 58.5%, the bottom angle is controlled at 41.5°, the bottom height is controlled at 42.5%, the star ratio is controlled at 48%, and the heart ratio is controlled at 26.5%.

[0040] In summary, the diamond cutting and processing technology of the present invention can effectively improve the optical properties and appearance of diamonds, and has significant innovation and practicality.

[0041] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the scope of protection of this invention.

Claims

1. A diamond cutting and processing technology, characterized in that, Includes the following steps: Step 1, Crown Cutting: Cut a table, eight first facets, and eight kite facets on the crown of the diamond. Cut two pairs of upper girdle facets between every two kite facets. The table is octagonal, and the eight isosceles trapezoids with the sides of the octagonal table as their upper bases are adjacent to each other. Cut eight first facets at the eight corners of the octagonal table. Cut two pairs of upper girdle facets between the midpoints of the bases of two adjacent isosceles trapezoids. The isosceles trapezoids are cut into kite facets. Step 2, Pavilion Cutting: Cut the pavilion of the diamond into a regular sixteen-cone shape. On each cone facet of the regular sixteen-cone, near the pavilion tip, cut two bottom reverse faces, with the high points of these two bottom reverse faces coinciding, forming a heart shape at the pavilion tip. Step 3, Girdle Cutting: Cut eight facets around the girdle of the diamond.

2. The diamond cutting and processing technology according to claim 1, characterized in that: During the processing, the total height of the diamond is controlled to be 59% - 64%, the facet angle to be 33 - 36.5°, the facet height to be 14% - 16%, the edge thickness to be 2% - 5%, the table to be 58% - 60%, the culet angle to be 41° - 42.8°, the culet height to be 42% - 44%, the star proportion to be 45% - 55%, and the heart proportion to be 26% - 29%.

3. The diamond cutting and processing technology according to claim 1, characterized in that... Step 1 further includes: Step 1.1: After cutting out the octagonal table and eight isosceles trapezoids, perform preliminary sanding on the octagonal table and isosceles trapezoids to ensure that each surface is flat and smooth. Step 1.2: Then proceed with the subsequent cutting of the first facet, the upper waist facet, and the kite facet.

4. The diamond cutting and processing technology according to claim 1, characterized in that... Step 2 also includes: Step 2.1: After cutting the sixteenth vertebral body, perform preliminary trimming on each conical surface of the sixteenth vertebral body to remove burrs and uneven parts generated during the cutting process; Step 2.2: Cut the bottom reverse side.

5. The diamond cutting process according to claim 1, characterized in that... Step 3 also includes marking the girdle of the diamond before cutting the eight facets to determine the cutting position and angle of each facet, ensuring that the eight facets are evenly distributed in the circumferential direction.

6. The diamond cutting process according to claim 2, characterized in that: In parameter control, professional measuring tools, such as optical measuring instruments and laser measuring instruments, are used to measure and monitor various parameters of the diamond in real time. The cutting process is adjusted in a timely manner based on the measurement results to ensure that the diamond's parameters meet the requirements.

7. The diamond cutting process according to any one of claims 1, characterized in that: It also includes step 4, polishing: using diamond powder and a cast iron disc to polish each facet of the diamond, so that the diamond surface achieves a mirror effect, improving the diamond's luster and fire.

8. The diamond cutting process according to any one of claims 1-7, characterized in that: The diamond has a table, eight first facets, and eight kite facets on its crown, with two pairs of upper girdle facets between every two kite facets; its pavilion is a regular sixteen-sided cone with a heart shape formed by thirty-two bottom facets at the pavilion tip; eight petal facets are distributed around the circumference of the girdle; the total height, facet angles, facet heights, edge thickness, table, bottom angles, bottom heights, star proportions, and heart proportions of the diamond all conform to the parameter range specified in claim 1.