White Grading board for Diamond Color Grading FDB-1A

Description:

1. Multiple V-shaped grooves to reduce the reflection on the diamond surface;
2. Various specifications of round holes are convenient for measuring thermal conductivity and can assist the use of diamond grading lamps;
External dimensions:

Shenzhen Fable Jewellery Technology Co.,Ltd was established in 2006, who located in Shenzhen which is called Chinese Jewelry Capital. Shenzhen, with its unique geographical location and development advantages, is the largest international well-know jewelry manufacturing base and trade set scattered places. It is also the international information center of jewelry industry as well as training center of jewelry appraisal.

Fable focus on research and development, producing and marketing jewelry detectiona and identification instruments. It specialized in Gem Microscope, Gem Refractometer, Table Spectroscope, Hand-held Spectroscope (Grating Spectroscope and Prism Spectroscope), Calcite Dichroscope, Table Polariscope, Portable Polariscope, LW/SW Ultraviolet Lamp, Optic Fiber Illumination ( Cold Light Source), Diamond Proportion Tester, Hardness Pencil, Gem Indentifying Travel Lab and so on. Some products are patented in China.

Fable insists on the principle of "Excellent Quality, Reasonable price, Honesty, Co-operation" and take firm steps to achieve continuous development at home and abroad by offering advanced products with competitive prices and better service.

Surely, your support and advice is Fable's direction and motivation. Fable will as always provide high quality product and excellent service.

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