Blue diamonds: gemmological bolts from the blue Minerals and gemstones, Blue diamond, Stones and crystals
The largest flawless vivid blue diamond in the world leads Christie's Geneva Magnificent Jewels Sale - Alain.R.Truong
5.5mm 3.27ct Parcel 4 Raw Rough BLUE TEAL Diamonds Largest
15 ct Vivid Blue Diamond Sells for $57.5 Million - IGI
The Largest Blue Diamonds that Gemmologists Should Know
Why blue diamonds are blue: recent tests on the Hope Diamond
Blue Diamonds: Colored by boron at extreme depths
11.28 carat 'Infinite Blue' Diamond could sell for $37 Million - IGI
World's largest blue diamond falls short of record at auction - Jeweller Magazine: Jewellery News and Trends
The Largest Blue Diamonds that Gemmologists Should Know