Loose Diamonds - Today's Top Auction Lots

eBay® Compatible Application

Auction Ace® and PowerBuyers® by Data Refinery® is here to help you find the most desirable collectible and vintage treasures on eBay®, while avoiding tens of millions of common and newly manufactured mass-market items. You have discovered a favorite tool of major collectors, art dealers, and museums worldwide! We have moved to Pinata.com!

When you click on curated collectible listings on this site & make a purchase, this can result in Ace® earning a commission from the eBay Partner Network.

GIA 0.91ct Radiant Cut Treated Natural Diamond Loose Gemstone Ready to Mount

GIA 0.91ct Radiant Cut Treated Natural Diamond Loose Gemstone Ready to Mount View item

31 bids

4 days 1 hour

Auction

118 USD $118

0.65carat Round Brilliant Cut Diamond H J I1 I2 5.4mm x 3.3mm Looks great to eye

0.65carat Round Brilliant Cut Diamond H J I1 I2 5.4mm x 3.3mm Looks great to eye View item

30 bids

3 hours 29 minutes

Auction

102 USD $102

IGI Certified VVS2/G Round Cut Lab Grown Diamond Loose Stone 3.06CT

IGI Certified VVS2/G Round Cut Lab Grown Diamond Loose Stone 3.06CT View item

27 bids

3 days 6 hours

Auction

338 USD $338

good mixed lot of loose diamonds 2.93ct Natural Loose Diamonds

good mixed lot of loose diamonds 2.93ct Natural Loose Diamonds View item

24 bids

2 days 23 hours

Auction

337 USD $337

CERTIFIED 9.05 Ct Natural Diamond D Grade ROUND LOOSE VVS1/15 mm

CERTIFIED 9.05 Ct Natural Diamond D Grade ROUND LOOSE VVS1/15 mm View item

20 bids

2 days 12 hours

Auction

32 USD $32

GIA 1.09ct Marquise Brilliant Natural Diamond I I1 Certified Loose SB11

GIA 1.09ct Marquise Brilliant Natural Diamond I I1 Certified Loose SB11 View item

20 bids

3 days 6 hours

Auction

148 USD $148

IGI Certified VS1/F Lab Grown Round Cut Diamond Loose Stone 4.92CT

IGI Certified VS1/F Lab Grown Round Cut Diamond Loose Stone 4.92CT View item

20 bids

3 days 6 hours

Auction

237 USD $237

IGI Certified VS2/G Oval Cut Lab Grown Diamond Loose Stone 5.75CT

IGI Certified VS2/G Oval Cut Lab Grown Diamond Loose Stone 5.75CT View item

20 bids

3 days 6 hours

Auction

225 USD $225

IGI Certified VS1/F Emerald Cut Lab Grown Diamond Loose Stone 5.06CT

IGI Certified VS1/F Emerald Cut Lab Grown Diamond Loose Stone 5.06CT View item

19 bids

3 days 6 hours

Auction

275 USD $275

CERTIFIED 7.20 Ct Natural Diamond D Grade ROUND LOOSE VVS1/13.5 mm

CERTIFIED 7.20 Ct Natural Diamond D Grade ROUND LOOSE VVS1/13.5 mm View item

18 bids

2 days 12 hours

Auction

31 USD $31

IGI Certified VS2/E Marquise Cut Lab Grown Diamond Loose Stone 5.06CT

IGI Certified VS2/E Marquise Cut Lab Grown Diamond Loose Stone 5.06CT View item

17 bids

3 days 6 hours

Auction

240 USD $240

Faceted Blue Diamond Gemstone in Gem Jar Vintage Estate Find

Faceted Blue Diamond Gemstone in Gem Jar Vintage Estate Find View item

16 bids

1 day 5 hours

Auction

25 USD $25

2.45Ct Lab Grown CVD Diamond 8.00 mm Cushion D Color IF Certified Loose Diamond

2.45Ct Lab Grown CVD Diamond 8.00 mm Cushion D Color IF Certified Loose Diamond View item

15 bids

2 days 17 minutes

Auction

18 USD $18

CERTIFIED 2.15 Carat Natural Diamond D Grade ROUND LOOSE VVS1/ 8.5 mm

CERTIFIED 2.15 Carat Natural Diamond D Grade ROUND LOOSE VVS1/ 8.5 mm View item

14 bids

11 hours 27 minutes

Auction

9 USD $9

IGI Certified VS1/G Pear Cut Lab Grown Diamond Loose Stone 4.06CT

IGI Certified VS1/G Pear Cut Lab Grown Diamond Loose Stone 4.06CT View item

14 bids

3 days 6 hours

Auction

218 USD $218

CERTIFIED 2.07 Carat Natural Diamond D Grade ROUND LOOSE VVS1/ 8.5 mm

CERTIFIED 2.07 Carat Natural Diamond D Grade ROUND LOOSE VVS1/ 8.5 mm View item

14 bids

3 days 15 hours

Auction

9 USD $9

Loose CVD Diamond Fancy Green 25.95 Carat VVS1 Clarity Certified Rare Facet

Loose CVD Diamond Fancy Green 25.95 Carat VVS1 Clarity Certified Rare Facet View item

13 bids

6 hours 15 minutes

Auction

21 USD $21

CERTIFIED 5.15 Carat Natural Diamond D Grade ROUND LOOSE VVS1/ 11.5 mm

CERTIFIED 5.15 Carat Natural Diamond D Grade ROUND LOOSE VVS1/ 11.5 mm View item

13 bids

11 hours 43 minutes

Auction

22 USD $22

CERTIFIED 20.00 Carat Natural Diamond D Grade ROUND LOOSE VVS1/ 19.5 mm

CERTIFIED 20.00 Carat Natural Diamond D Grade ROUND LOOSE VVS1/ 19.5 mm View item

13 bids

12 hours 43 minutes

Auction

50 USD $50

IGI Certified VS2/D Lab Grown Radiant Cut Diamond Loose Stone 1.59CT

IGI Certified VS2/D Lab Grown Radiant Cut Diamond Loose Stone 1.59CT View item

13 bids

3 days 6 hours

Auction

77 USD $77

IGI Certified VS1/G Radiant Cut Lab Grown Diamond Loose Stone 3.10CT

IGI Certified VS1/G Radiant Cut Lab Grown Diamond Loose Stone 3.10CT View item

13 bids

3 days 6 hours

Auction

64 USD $64

CERTIFIED 2.10 Carat Natural Diamond D Grade ROUND LOOSE VVS1/ 8.5 mm

CERTIFIED 2.10 Carat Natural Diamond D Grade ROUND LOOSE VVS1/ 8.5 mm View item

12 bids

11 hours 18 minutes

Auction

8 USD $8

CERTIFIED 3.20 Carat Natural Diamond D Grade ROUND LOOSE VVS1/ 9.7 mm

CERTIFIED 3.20 Carat Natural Diamond D Grade ROUND LOOSE VVS1/ 9.7 mm View item

12 bids

11 hours 29 minutes

Auction

14 USD $14

CERTIFIED 3.10 Carat Natural Diamond D Grade ROUND LOOSE VVS1/ 9.7 mm

CERTIFIED 3.10 Carat Natural Diamond D Grade ROUND LOOSE VVS1/ 9.7 mm View item

12 bids

11 hours 33 minutes

Auction

16 USD $16

Change eBay Site