FEATURED4 days LeftAudemars Piguet Cobra 18K White Gold Black Diamond DialEst. $17,400-$18,900$300(5 bids)Serenity GallerieSaint Petersburg, FL
FEATURED5 days LeftMarina B Diamond 46ct Tourmaline Jade 18K Gold Cuff Bracelet 26.22 Grams With Pouch and PaperworkEst. $4,000-$5,000$1,750(4 bids)Dover JewelryMiami, FL
FEATUREDBuy NowSolid 18k OMEGA De VILLE Automatic Ladies Watch w/Diamonds CAl 663* EXLNT* SERVICED$2,999Jasper52New York, NY
FEATUREDStarts Jun 25Vintage 1950's Knights of Columbus Black Onyx Ring 10K Yellow Gold, 10.13 GramsEst. $2,500-$3,000$950Jasper52New York, NY
3 days Left3.50ct Black Opal, 2.00ctw Diamond and Platinum RingEst. $12,000-$13,000$1,000(1 bid)GWS Auctions Inc.Maitland, FL
Jul 13, 2026Natural Black Diamond 1.78 Ct. Round Brilliant Cut 7.04 x 5.14 Mm.Est. $472-$742$1Treasure of Gems & JewelryLake Charles, LA
4 days Left2.11 Ct. Natural Black Loose Diamond Round Brilliant Cut Size 7 Mm.Est. $1,582-$2,486$1Treasure of Gems & JewelryLake Charles, LA
4 days LeftNatural Black Loose Diamond 2.13 Ct. Round Brilliant Cut 7.3 Mm.Est. $998-$1,568$1Treasure of Gems & JewelryLake Charles, LA
Jul 24, 2026Indiana Glass Company Tiara Exclusives Lidded Pedestal Compote in Black Diamond Point PatternEst. $40-$60$30(1 bid)A&S AuctionChadds Ford , PA
3 days LeftA Pair of Unique 18K White Gold Black Diamond and Diamond EarringsEst. $3,000-$5,000$2,000Alma AuctioneersTel Aviv, IL
2 days LeftBLACK DIAMOND RAILROAD POCKET WATCHEst. $75-$150$25(1 bid)Dennis Auction Service, Inc.Stewartsville, NJ
Jul 13, 2026Natural Black Diamond 1.76 Ct. Round Brilliant Cut 6.7 Mm.Est. $989-$1,555$1Treasure of Gems & JewelryLake Charles, LA
FEATUREDEnds in 1d 19hGurhan Pastiche Sliced Diamonds 24k Gold & Sterling Station NecklaceEst. $6,960-$20,870$6,500Chairish Auction HouseBoca Raton, FL
FEATURED5 days LeftLe Vian "Into The Wild" Tiger Diamond 5.68ct Sapphire Stainless Steel Watch MSRP $15,637Est. $4,000-$5,000$2,250(2 bids)Dover JewelryMiami, FL
Jul 08, 2026Oscar Friedman 14K White Gold Fancy Black & White Diamond Tennis NecklaceEst. $12,000-$15,000$4,000Coral Gables AuctionCoral Gables, FL
5 days LeftPair 14K Y/G black onyx earrings accented w/ diamondsEst. $800-$1,000$400International Auction GalleryAnaheim, CA
Jul 05, 2026Natural Black Loose Diamond 3.75 Ct. Round Brilliant Cut 9 Mm.Est. $1,040-$1,635$1Treasure of Gems & JewelryLake Charles, LA
Jul 05, 2026Natural Black Loose Diamond 7.19 Ct. Round Shape 11.2 Mm.Est. $2,374-$3,731$1Treasure of Gems & JewelryLake Charles, LA
12 hrs LeftSIGNED CARTIER 18K (750) DIAMOND AND BLACK ONYX "NIGERIA" BOMBE-FORM BAND Marked with Cartier No.Est. $10,000-$15,000$5,000(1 bid)Sloans & KenyonChevy Chase, MD
2 days LeftBLACK DIAMOND AND STERLING SILVER RINGEst. $2,000-$4,000$1,000Linwoods AuctionSan Gabriel , CA
3 days Left14K GOLD, DIAMOND AND SOUTH SEA BLACK PEARL NECKLACEEst. $1,500-$2,000$750Thomaston Place Auction GalleriesThomaston, ME
11 hrs LeftBlack and White Diamond and 18K Flower BroochEst. $8,000-$12,000$5,000Everard Auctions & AppraisalsSavannah, GA
Aug 13, 2026Black Diamonds & White Diamond White Gold RingEst. $800-$1,200$425Auctions at ShowplaceAstoria, NY
3 days LeftA Unique 18K White Gold Black Diamond and Diamond PendantEst. $1,500-$2,500$1,200Alma AuctioneersTel Aviv, IL
Jul 21, 2026Black Diamond Gold Plated Sterling Silver Pierced 3/4 Inch Hoop Earrings Box IncludedEst. $40-$120$10Golden Age Jewelry AuctionsUrbana, OH
4 days Left1.77Ct. Round Brilliant Cut 7 Mm. Natural Black Loose DiamondEst. $613-$964$1Treasure of Gems & JewelryLake Charles, LA
4 days LeftChopard Happy Hearts Black Onyx Diamond 18K Rose Gold NecklaceEst. $3,000-$4,500$800(1 bid)Victorins AuctionsTokyo, Setagaya City
Jul 08, 202614K White Gold Black Diamond & Diamond Halo Stud EarringsEst. $1,500-$2,000$400Coral Gables AuctionCoral Gables, FL
4 days LeftNatural Black Diamond 2.39 Ct. Round Brilliant Cut 7.9 Mm.Est. $663-$1,042$1Treasure of Gems & JewelryLake Charles, LA