Sotheby's Auctions 55-Carat Ruby for $34.8M in New York –
Big Ugly' 3.29-carat diamond found at Arkansas state park
World's largest uncut diamond fails to sell at auction - Arabian Business
Massive uncut diamond unveiled in New York
Rare 20-carat blue diamond unveiled in Botswana - ABC News
Plastic Deformation: How and Why Are Most Diamonds Slightly Distorted?
This Giant 683-Pound Blue Sapphire Could Be Worth Over $100 Million – Robb Report
Largest Diamond Ever Mined in North America to Hit the Auction Block a – Diamond Designs
Jacob & Co. Unveils $20 Million 'Billionaire Timeless Treasure' Yellow Diamond Watch
The Golden Canary Diamond, 「金絲雀」鑽石, Magnificent Jewels, 2022