2 pcs Diamond - 1.40 ct - Pear - GIA PAIR, Color Enhanced - fancy vivid greenish blue - VS1, VVS1
Diamond Auction (Colour Treated)
Diamonds - 2.51 ct - Cushion, Square - Fancy Dark Bluish Green - I1
1 pcs Diamond - 1.22 ct - Heart - **NO RESERVE!!** Fancy BLACK(Treated)
Diamond - 2.10 ct - Brilliant - Fancy Intense Yellow - SI2
7 pcs Diamond - 1.00 ct - Brilliant - Black - N/A
1 pcs Diamond - 1.63 ct - Oval - F, Color Enhanced - IF (flawless), GIA
Diamond - 19.59 ct - Pear - black - N/A
Diamond - 0.50 ct - Round Brilliant - Fancy Deep Blue Green -No Reserve-Color Enhanced - I1
Diamond - 0.57 ct - Round - Colour Treated, D (colourless) - VVS1
Diamond - 2.47 ct - Princess - Black - N/A
Diamond - 2.32 ct - Round Brilliant - Fancy Dark Blue -No Reserve-Color Enhanced - I1
Diamond - 1.18 ct - Brilliant - Fancy Intense Bluish Green - I1
1 pcs Diamond - 1.44 ct - Brilliant - **NO RESERVE PRICE!! Fancy Black (treated)
1 pcs Diamond - 2.14 ct - Brilliant, Round - Colour Treated, Fancy Dark Reddish Brown - Not mentioned on certificate
1 pcs Diamonds - 0.43 ct - Pear - Fancy deep greenish blue - SI1, No reserve price
1 pcs Diamond - 0.97 ct - Brilliant - **NO RESERVE PRICE!! Fancy Black (treated)
5 pcs Diamonds - 14.08 ct - Brilliant, Round - fancy black - Not applicable
Diamond - 5.60 ct - Brilliant - Black - N/A
Diamond - 1.15 ct - Brilliant, Pear - Fancy Vivid Pink - VS1
4 pcs Diamonds - 12.03 ct - Round - fancy black - Not applicable
1 pcs Diamond - 1.09 ct - Cushion - Color Enhanced - fancy deep brownish yellow - VS1
Diamond - 0.45 ct - Brilliant - Fancy Intense Greenish Blue - I1
Diamond - 3.93 ct - Emerald - Black - N/A
Diamond - 0.17 ct - Brilliant, Round - Fancy Vivid Greenish Yellow - VS1
1 pcs Diamond - 3.48 ct - Round - (IGI Certified) - Black
Diamond - 0.51 ct - Brilliant - Fancy Intense Greenish Blue - SI2
4 pcs Diamonds - 15.78 ct - Brilliant, Round - fancy black - Not applicable
Diamond - 1.01 ct - Square - Colour Treated, Fancy Intense Yellow - SI1
1 pcs Diamond - 1.01 ct - Brilliant, Round - fancy deep greenish blue - I2
Diamond - 3.03 ct - Brilliant - Black - N/A
This auction is part of Colour Treated Diamonds
Don’t miss out on any of the auctions
Think you have the perfect object for one of our auctions?
Diamond Auction (Colour Treated)
As far as diamond auctions are concerned, none shine brighter than those at Catawiki. With a large assortment of exclusive diamonds in all shapes, sizes, colours and clarities, there's sure to be something to catch your eye. Suppliers from across the globe offer up a selection of loose diamonds as well as diamond earrings, diamond bracelets, diamond broaches and diamonds in other exquisite settings. Each lot includes a detailed description and photos so you always know what you're bidding on, even if you cannot view the shining beauty in person. The auctions are always supervised by our professional diamond auctioneers. If diamonds are your best friends, or if you're simply looking for that little gem to brighten up your day, you can buy and sell your diamonds and diamond jewellery at Catawiki by signing up for an account.
Explore our categories
- Archaeology & Natural History
- Art
- Asian & Tribal Art
- Books & Historical Memorabilia
- Classic Cars, Motorcycles & Automobilia
- Coins & Stamps
- Comics & Animation
- Fashion
- Interiors & Decorations
- Jewellery & Precious Stones
- Music, Movies & Cameras
- Sports
- Toys & Models
- Trading Cards
- Watches, Pens & Lighters
- Wine & Whisky