Loose Diamonds
loose diamonds — pre-owned
Browse 3,815 loose diamonds — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.

Pear Brlliant, natural diamond, 2.59 carats, GIA certified
Nice, quality pear shaped brilliant diamond at 2.59 carats, GIA certified with certificate attacthed. For full description, please refer to certificate.

0.65carat Round Brilliant Cut Diamond H-J I1-I2 5.4mm x 3.3mm Looks great to eye
GENUINE AUTHENTIC ROUND BRILLIANT CUT NATURAL DIAMOND. ROUND BRILLIANT CUT DIAMOND. WE HAVE BEEN IN THE DIAMOND AND GEMSTONE JEWELRY INDUSTRY. THIS LOT IS FROM MANUFACTURERS' PRODUCTION INVENTORY.

Mélange lot of 47 MARQUISE CUT Diamonds 4.69cttw I-J-K SI2-SI3-I1 PRESENT GREAT
MARQUISE CUT DIAMONDS. MARQUISE CUT DIAMONDS. WE HAVE BEEN IN THE DIAMOND AND GEMSTONE JEWELRY INDUSTRY. GENUINE AUTHENTIC, NATURAL. EARTH MINED IN AUSTRALIA ARGYLE MINE.

1.07ct Fancy Vivid Blue Lab Grown Diamond Cushion Cut VS2 IGI Certified Loose
Lab: International Gemological Institute (IGI). Report: Original IGI Lab-Grown Diamond Report included. IGI certified diamond. Exceptional lab-grown diamond showcasing a rare Fancy Vivid Blue color with remarkable saturation and brilliance.

1.10ct Oval Cut Loose Natural Diamond
1.10ct Oval Cut Natural Diamond SI1 clarity H color, Loose Stone

Loose Diamonds And Emeralds
Two loose diamonds and three loose emeralds I don’t know the cut or clarity

1.42ct GIA Natural Cushion Diamond VS1 I Color Loose Stone Brilliant Cut
Clarity: VS1. The diamond hasexcellent clarity (VS1) with inclusions that are difficult to see even under magnification. GIA Certified Natural Diamond – Loose Stone. Shape: Cushion Modified Brilliant.

1.72ct Princess Cut Lab Grown Diamond H VVS2 IGI Certified 6.66mm Loose Stone
Diamond Details: • Carat Weight: 1.72 ct • Shape: Princess Cut • Color Grade: H (near colorless) • Clarity Grade: VVS2 (exceptionally clean) • Dimensions: 6.66 × 6.53 × 4.66 mm • Certification: IGI Certified • Report Number: LG629473598 (laser inscribed on girdle)

1.24ct Natural Round Brilliant Diamond IGI Certified M SI2 Very Good Cut Loose
1.24ct Natural Round Brilliant Diamond – IGI Certified. • Certification: IGI Certified. • Clarity: SI2. • Shape: Round Brilliant. • Polish: Excellent. Diamond Details • Cut: Very Good.

Natural Peridot Loose Gemstone
Raw natural uncut gemstone

IGI Certified Lab-Grown Radiant Cut Diamond 1.41ct E VS1 Excellent Cut
IGI Certified Lab-Grown Radiant Cut Diamond 1.41ct E VS1 Excellent Cut

GIA Cert, Natural 1.5 carat princess cut Diamond J color VS1 clarity

Excellent Loose Diamond - Natural Diamond - 1.32 Carats - Certificate - BIN / BO
This listing is for the diamond only. The diamond was recently removed from its setting, cleaned and safely packed away. It is a 1.32 carat natural diamond, marquise cut, E, SI2, and comes with the original EGL International certificate and I can include the original appraisal from when I purchased it with an appraised value of the full ring at over $10,000 US. Buy It Now is available but I will consider offers and I will ship internationally but the listing settings are off due to my location so I set a flat shipping rate of $50 US and if it ends up being more I will cover it from the sale. Questions — please ask. No returns. The sale is final.

Loose Approx 1.19 CT Lab Grown Fancy Intense Yellow Emerald Cut Diamond with IGI
Report says 2.02 ctw but it is smaller. Color Grade Fancy Intense Yellow. Stone Type Lab Grown Diamond.
You save $179.70

Rose cut Natural Diamonds 5 Marquise & 3 Trillions F-G VVS-VS HIGH QUALITY
GENUINE AUTHENTIC MARQUISE AND TRILLION. ROSE CUT DIAMONDS. NATURAL DIAMONDS. WE HAVE BEEN IN THE DIAMOND AND GEMSTONE JEWELRY INDUSTRY. GRADING IS OUR OWN EXPERT OPINION.

Fancy Pink Colored Diamond From Argyle Mine Australia 0.10. Not Certified.
I purchased this pink colored diamond from Mark the Opal Hunter on Gem Shopping Network about 6 years ago. Was told SI1 or better and from the now closed Argyle Mine. I cannot confirm the clarity or the GIA fancy color, but has a vivid pink color to the naked eye. You will have to get it graded.

10.86 CT Natural Loose Black Round Diamond, 16.15mm, #S3506

0.47ct Old Mine Cut Loose Natural Diamond H color, I1 clarity 4.5 - 4.4 x 3.35mm
Clarity: I1. Shape/cut: Old Miners Cut. Origin: Natural, earth-mined.
You save $59.22

0.56 carat 100% Authentic Natural Marquise Diamond SI3-I1 JK-L APPEARS EYE CLEAN
GENUINE AUTHENTIC MARQUISE CUT. MARQUISE CUT DIAMOND. NATURAL DIAMOND. WE HAVE BEEN IN THE DIAMOND AND GEMSTONE JEWELRY INDUSTRY. THIS LOT IS FROM MANUFACTURERS' PRODUCTION INVENTORY.

GIA Certified Old European Cushion 1.18 Carat SI2 FANCY Natural Genuine Diamond
CLARITY: SI2. CERTIFICATE: GIA. COLOR: Fancy Yellow-Brown. CARAT WEIGHT: 1.18. EARTH MINED DIAMOND.

0.62 carat 100% Authentic Natural Round Diamond SI3-I1 JK-L APPEARS EYE CLEAN
ROUND BRILLIANT CUT DIAMOND. GENUINE AUTHENTIC ROUND BRILLIANT CUT. NATURAL DIAMOND. WE HAVE BEEN IN THE DIAMOND AND GEMSTONE JEWELRY INDUSTRY. THIS LOT IS FROM MANUFACTURERS' PRODUCTION INVENTORY.

Lot of 54 ROUND BRILLIANT CUT Diamonds 12.62cttw JK-L SI-I EYE CLEAN GOOD FIRE
ROUND BRILLIANT CUT DIAMONDS. GENUINE AUTHENTIC ROUND BRILLIANT. CUT NATURAL DIAMONDS. GRADING IS OUR OWN EXPERT OPINION. WE HAVE BEEN IN THE DIAMOND AND GEMSTONE JEWELRY INDUSTRY. EARTH MINED.

Mélange lot of 4 ROUND BRILLIANT CUT Diamonds 1.34cttw (1/3CT SIZES) H-J SI3-I1
ROUND BRILLIANT CUT DIAMONDS. GENUINE AUTHENTIC ROUND BRILLIANT. CUT NATURAL DIAMONDS. WE HAVE BEEN IN THE DIAMOND AND GEMSTONE JEWELRY INDUSTRY. EARTH MINED. THIS LOT IS FROM MANUFACTURERS' PRODUCTION INVENTORY.

GIA Certified ASSCHER CUT .42 CT VS2 Natural FANCY Yellow Diamond
EARTH MINED DIAMOND. G.I.A. CERTIFIED.

Ruby Lot of 21.5cttw, Natural Earth mined Rubies Good colors very lively lot
GENUINE RUBIES. GENUINE AUTHENTIC NATURAL EARTH MINED. PRECIOUS RUBY GEMSTONES. GRADING IS OUR OWN EXPERT OPINION. WE HAVE BEEN IN THE DIAMOND AND GEMSTONE JEWELRY INDUSTRY. THIS LOT IS FROM MANUFACTURERS' PRODUCTION INVENTORY.

Mélange lot of 24 ROUND BRILLIANT CUT Diamonds 6.09cttw H-J I2-I3 1/5 TO 1/2CT
ROUND BRILLIANT CUT DIAMONDS. GENUINE AUTHENTIC ROUND BRILLIANT. CUT NATURAL DIAMONDS. WE HAVE BEEN IN THE DIAMOND AND GEMSTONE JEWELRY INDUSTRY. EARTH MINED. THIS LOT IS FROM MANUFACTURERS' PRODUCTION INVENTORY.

2 Matched GIA Certified ROUND Brilliant .48 CT TDW VS2 I Natural Diamonds STUDS?
NATURAL ROUND BRILLIANT • WEIGHT.24 CT Each • CLARITY: VS2 • COLOR: I. (2 DIAMONDS INCLUDED). G.I.A. CERTIFIED.

1.41 Carat Round Brilliant Loose Colorless Natural Diamond F/SI2 GIA Dossier
This is a 1.41 carat round natural diamond. Clarity SI2, Very Good cut, F Color. This is cut to face up looking larger than it's weight - at 7.43-7.47mm, it will probably face up looking like closer to a 1.55 than a 1.41 on your finger!

Loose 2.57 CT Lab Grown Diamond with IGI Report
Item Details Stone Type Lab Grown Diamond Shape Square Emerald Cut Dimensions 7.50 × 7.45 × 4.95 mm Total Carat Weight 2.57 ct Color Grade E Clarity Grade VS1 Gemologist Note Inscribed “IGI LG775626169”, Comes with corresponding report.

NATURAL COLORED DIAMOND / .72ct Trapezoid Cut / ORANGY CHAMPAGNE / 5x6.5mm, CHIP
It would make a great center stone for a pendant or ring, especially a man’s ring. The color is a natural, orange-brown champagne and is quite eye catching. I would rate the clarity as slightly included SI1 but there is a small chip on the underside that doesn’t show when looking at the stone from the top (see photo).

Lab-Created Emerald Cut Diamond 2.34ct G SI1 Excellent IGI Certified
Are you looking for a breathtaking, ethically sourced diamond at an exceptional value?. • IGI Report Number: LG621404504 (verify online for full details!). • Clarity Grade: SI1 (eye-clean, with no visible inclusions to the naked eye).

.40 Karat Princess Cut Loose Natural Diamond Price ✂️✂️✂️
The product is a 0.40 karat princess cut loose diamond, a beautifully crafted and polished gemstone perfect for jewelry making. This natural diamond, with a total carat weight of. 40 carats, shines in a unique princess shape, adding a touch of elegance to any setting.

Round Cut 1.07 CT Loose Natural Earth Mined Diamond #7366
1.07 ct. round diamond has a lot of inclusion see pictures stones are from scrap gold buys .

1.65 ct Old Mine Brilliant Natural Diamond N VS2 with GIA Inscription
This is a lovely surviving old mine brilliant natural diamond. It is Ivory in color and displays beautifully especially in dimly lit or 'candle lit' settings, as these diamonds were cut for candle-lit settings.
Jewelry Loose Diamond Natural Diamond 1.027ct 4522810
Total Main Stone(s) : Natural Diamond. Main Color : Nothing. We have: A wide range of pre-owned bags. and a professional appraisal.

Mélange lot of 5 ROUND BRILLIANT CUT Diamonds 1.50cttw (1/3CT SIZES) H-JK SI3-I1
ROUND BRILLIANT CUT DIAMONDS. GENUINE AUTHENTIC ROUND BRILLIANT. CUT NATURAL DIAMONDS. WE HAVE BEEN IN THE DIAMOND AND GEMSTONE JEWELRY INDUSTRY. EARTH MINED. THIS LOT IS FROM MANUFACTURERS' PRODUCTION INVENTORY.

GIA Certified Old Circular Brilliant .33 CT VS2 H Loose Mined Natural Diamond
NATURAL CIRCULAR BRILLIANT • WEIGHT.33 CT • CLARITY: VS2 • COLOR: H. EARTH MINED DIAMOND. ACTUAL DIAMOND PICTURED! G.I.A. CERTIFIED.

GIA Certified Pear Brilliant .47 CT SI2 E Loose Mined Natural Diamond
NATURAL PEAR BRILLIANT • WEIGHT.47 CT • CLARITY: SI2 • COLOR: E. EARTH MINED DIAMOND. ACTUAL DIAMOND PICTURED. G.I.A. CERTIFIED.

Fancy Pink Colored Diamond From Argyle Mine 0.10. Not Certified. 100% Natural
I purchased this pink colored diamond from Mark the Opal Hunter on Gem Shopping Network about 6 years ago. Was told SI1 or better and from the now closed Argyle Mine. I cannot confirm the clarity or the GIA fancy color, but has a vivid pink color to the naked eye. You will have to get it graded.

1.00ct Natural loose Diamond certified
This product is a 1.00ct round polished natural loose diamond certified for gem use. It is a single piece with a total carat weight between 1.00 ctw - 1.24 ctw. The diamond is not enhanced and is suitable for jewellery making or investment purposes. It is not vintage and is not sold in wholesale quantities. This high-quality loose diamond would make a valuable addition to any jewellery collection.