FEATUREDBuy NowSolid 18k OMEGA De VILLE Automatic Ladies Watch w/Diamonds CAl 663* EXLNT* SERVICEDUS$2,999Jasper52New York, NY
FEATURED5 days LeftLe Vian "Into The Wild" Tiger Diamond 5.68ct Sapphire Stainless Steel Watch MSRP $15,637Est. US$4,000-US$5,000US$2,250(2 bids)Dover JewelryMiami, FL
FEATURED4 days LeftAudemars Piguet Cobra 18K White Gold Black Diamond DialEst. US$17,400-US$18,900US$300(5 bids)Serenity GallerieSaint Petersburg, FL
FEATUREDStarts Jun 25Vintage 1950's Knights of Columbus Black Onyx Ring 10K Yellow Gold, 10.13 GramsEst. US$2,500-US$3,000US$950Jasper52New York, NY
Jul 13, 2026Natural Black Diamond 1.78 Ct. Round Brilliant Cut 7.04 x 5.14 Mm.Est. US$472-US$742US$1Treasure of Gems & JewelryLake Charles, LA
2 days Left3.50ct Black Opal, 2.00ctw Diamond and Platinum RingEst. US$12,000-US$13,000US$1,000(1 bid)GWS Auctions Inc.Maitland, FL
3 days LeftNatural Black Loose Diamond 2.13 Ct. Round Brilliant Cut 7.3 Mm.Est. US$998-US$1,568US$1Treasure of Gems & JewelryLake Charles, LA
3 days Left2.11 Ct. Natural Black Loose Diamond Round Brilliant Cut Size 7 Mm.Est. US$1,582-US$2,486US$1Treasure of Gems & JewelryLake Charles, LA
Jul 24, 2026Indiana Glass Company Tiara Exclusives Lidded Pedestal Compote in Black Diamond Point PatternEst. US$40-US$60US$30(1 bid)A&S AuctionChadds Ford , PA
Jul 08, 2026Oscar Friedman 14K White Gold Fancy Black & White Diamond Tennis NecklaceEst. US$12,000-US$15,000US$4,000Coral Gables AuctionCoral Gables, FL
5 days LeftPair 14K Y/G black onyx earrings accented w/ diamondsEst. US$800-US$1,000US$400International Auction GalleryAnaheim, CA
Jul 05, 2026Natural Black Loose Diamond 3.75 Ct. Round Brilliant Cut 9 Mm.Est. US$1,040-US$1,635US$1Treasure of Gems & JewelryLake Charles, LA
FEATUREDEnds in 1d 16hGurhan Pastiche Sliced Diamonds 24k Gold & Sterling Station NecklaceEst. US$6,960-US$20,870US$6,500Chairish Auction HouseBoca Raton, FL
FEATUREDStarts Jun 2515M BLACK WHITE SOUTH SEA and TAHITIAN PEARL DIAMOND EARRINGS 14kt 10036**Est. US$7,000-US$8,000US$2,800Jasper52New York, NY
FEATURED5 days LeftMarina B Diamond 46ct Tourmaline Jade 18K Gold Cuff Bracelet 26.22 Grams With Pouch and PaperworkEst. US$4,000-US$5,000US$1,750(4 bids)Dover JewelryMiami, FL
3 days LeftA Pair of Unique 18K White Gold Black Diamond and Diamond EarringsEst. US$3,000-US$5,000US$2,000Alma AuctioneersTel Aviv, IL
Jul 05, 2026Natural Black Loose Diamond 7.19 Ct. Round Shape 11.2 Mm.Est. US$2,374-US$3,731US$1Treasure of Gems & JewelryLake Charles, LA
1 day LeftBLACK DIAMOND RAILROAD POCKET WATCHEst. US$75-US$150US$25(1 bid)Dennis Auction Service, Inc.Stewartsville, NJ
Jul 13, 2026Natural Black Diamond 1.76 Ct. Round Brilliant Cut 6.7 Mm.Est. US$989-US$1,555US$1Treasure of Gems & JewelryLake Charles, LA
9 hrs LeftSIGNED CARTIER 18K (750) DIAMOND AND BLACK ONYX "NIGERIA" BOMBE-FORM BAND Marked with Cartier No.Est. US$10,000-US$15,000US$5,000(1 bid)Sloans & KenyonChevy Chase, MD
Jul 19, 2026Natural Loose Black Diamond 2.64 Ct. Round Brilliant Cut Size 7.7 Mm.Est. US$989-US$1,555US$1Treasure of Gems & JewelryLake Charles, LA
Jul 15, 2026Black Onyx & Diamond Ring 14Kt.Est. US$3,970-US$4,860US$20Pacific Auction HouseLos Angeles, CA
Jul 19, 2026Natural Black Diamond 2.40 Ct. Round Brilliant Cut 7.7 MmEst. US$683-US$1,074US$1Treasure of Gems & JewelryLake Charles, LA
2 days LeftBLACK DIAMOND AND STERLING SILVER RINGEst. US$2,000-US$4,000US$1,000Linwoods AuctionSan Gabriel , CA
Jul 19, 2026Natural Black Diamond 1.64 Ct. Round Brilliant Cut 6.85 x 5.12 Mm.Est. US$630-US$990US$1Treasure of Gems & JewelryLake Charles, LA
8 hrs LeftBlack and White Diamond and 18K Flower BroochEst. US$8,000-US$12,000US$5,000Everard Auctions & AppraisalsSavannah, GA
3 days LeftA Unique 18K White Gold Black Diamond and Diamond PendantEst. US$1,500-US$2,500US$1,200Alma AuctioneersTel Aviv, IL
3 days Left1.77Ct. Round Brilliant Cut 7 Mm. Natural Black Loose DiamondEst. US$613-US$964US$1Treasure of Gems & JewelryLake Charles, LA
Jul 19, 2026Natural Black Diamond 2.34 Ct. Round Brilliant Cut 7.95 x 5.34 Mm.Est. US$525-US$825US$1Treasure of Gems & JewelryLake Charles, LA
Aug 13, 2026Black Diamonds & White Diamond White Gold RingEst. US$800-US$1,200US$425Auctions at ShowplaceAstoria, NY
Jul 19, 2026Natural Black Diamond 2.61 Ct. Round Brilliant Cut 8.20 x 5.80 Mm.Est. US$525-US$825US$1Treasure of Gems & JewelryLake Charles, LA