The Blog

Sotheby's will auction the historic Victory Diamond, named in honor of the Allied victory in World War II. The original rough diamond weighed 770 carats and it was discovered in 1945 in the African Woyie River.  Thirty diamonds were cut from that stone, the largest of which was the 31.34-carat, D, potentially flawless, type IIa step-cut Victory Diamond. Sotheby's priced this lot to sell for between $5 million and $8 million.

The Graff Vivid Yellow diamond (pictured) will also  be a highlight o...

The center diamond is a 10.09 carat modified cushion cut fancy vivid purple-pink diamond, GIA certified SI1 clarity. Flanked by a pair of cushion cut white diamonds and mounted in 18K rose gold and platinum ring.

Accompanied by a supplemental letter stating that the diamond has been determined to be a Type IIa pink diamond. Type IIa pink diamonds are very rare in nature, often have relatively few inclusions and are noted for their homogenous color in the rough. Unlike many other colored diam...

Two fancy colored diamonds sold for record prices at auction this week, and they were both bought by the same man.

Brett Stettner of Stettner Investment Diamonds bought a fancy blue diamond ring from Tiffany & Co. for $2.4 million, or $687,712 per carat. The 3.54 ct. VS1 marquise fetched the auction’s top bid and went for several times more than its high estimate of $500,000

According to Sotheby's, that is a world record per-carat price for a fancy blue diamond, topping the 20.17 ct. f...

1. A. Dalumi Diamonds

2. Almod Diamonds Ltd.

3. AMC NV

4. Ankit Gems Private Limited

5. Arjav Diamonds NV

6. Bhavani Gems

7. Blue Star Diamonds Pvt. Ltd.

8. Chow Sang Sang Jewellery Company Limited

9. Chow Tai Fook Jewellery Co.Ltd.

10. Crossworks Manufacturing Ltd.

11. Dali Diamond Co.

12. DDM Arabov Group

13. De Toledo Diamonds Ltd

14. Dharmanandan Diamonds Pvt Ltd

15. Diacor International Ltd.

16. Dianco

17. Diarough NV

18. Digico Holdings Ltd.

19. Dilipkumar V. ...