White Gold, Sapphire, Fancy Black Diamond and Diamond RingEstimate: $2,500 - $3,500Starting Bid$1,100New Orleans, LANeal Auction Company4.6(370)
Gold, Diamond & Black Enamel NecklaceEstimate: $4,000 - $6,000Current Bid - 4 bids$4,250Glen Cove, NYRoland NY4.6(1.1k)
Spinelli Kilcollin Two-Color Gold, Sterling Silver, Diamond and Black Diamond Five-Band RingEstimate: $3,000 - $5,000Starting Bid$1,500New York, NYDOYLE Auctioneers & Appraisers4.6(250)
Piaget Diamond, Black Onyx, White Gold Watch CaEstimate: $10,000 - $15,000Starting Bid$8,000Dallas, TXHeritage Auctions4.2(615)
Platinum, Fancy Black Diamond and Diamond Bracelet | 36.13 tcwEstimate: $4,000 - $6,000Starting Bid$2,600New Orleans, LANeal Auction Company4.6(370)
Cartier Art Deco Diamond, Sapphire, Black Onyx, Estimate: $80,000 - $120,000Starting Bid$40,000Dallas, TXHeritage Auctions4.2(615)
Platinum, Gold, Black Onyx and Diamond Dress Set, FranceEstimate: $800 - $1,200Current Bid - 1 bid$400New York, NYDOYLE Auctioneers & Appraisers4.6(250)
Boucheron Black Onyx, Diamond, Gold Bracelet, FEstimate: $5,000 - $7,000Starting Bid$2,400Dallas, TXHeritage Auctions4.2(615)
Round Black Diamond And White Diamond Cocktail RingEstimate: $12,000 - $15,000Starting Bid$7,500Long Island City, NYNewel4.4(22)
Pear Cut Morganite Black Onyx and Diamond Pendant NecklaceEstimate: $5,600 - $11,300Starting Bid$2,750Hollywood, FLWilliamson Auction Gallery4.7(399)
Pair of Gold, Mabé Pearl, Diamond and Black Onyx EarclipsEstimate: $1,200 - $1,800Starting Bid$600New York, NYDOYLE Auctioneers & Appraisers4.6(250)
Pair of Two-Color Gold, Oxblood Coral, Black Onyx and Diamond EarclipsEstimate: $2,000 - $3,000Starting Bid$1,000New York, NYDOYLE Auctioneers & Appraisers4.6(250)
Pair of Two-Color Gold, Mabé Pearl, Black Onyx and Diamond EarclipsEstimate: $1,500 - $2,000Starting Bid$750New York, NYDOYLE Auctioneers & Appraisers4.6(250)
Pair of 18K White Gold Natural White and Black Diamond Earrings with Gemological ReportEstimate: $5,500 - $7,500Starting Bid$2,000Hollywood, FLWilliamson Auction Gallery4.7(399)
14K Yellow Gold, White Gold, Diamond & Black Onyx RingEstimate: $400 - $600Starting Bid$300Pittsfield, MAFontaine's Auction Gallery4.6(374)
Bossert & Erhard Enamel, Sterling Silver, Diamonds Black Tie Fountain PenEstimate: CA$2,000 - CA$2,500Starting BidCA$1,000Toronto, OntarioNorth American Pen Auctions LTD4.4(23)
VINTAGE 18K DIAMOND AND BLACK ONYX EARRINGSEstimate: $2,000 - $3,000Starting Bid$1,000Thomaston, METhomaston Place Auction Galleries4.4(464)
A Pair of Black and White Diamond Floral EarclipsEstimate: $4,000 - $7,000Starting Bid$2,000West Palm Beach, FLA.B. Levy's Palm Beach4.5(77)
14K WHITE GOLD 0.75CT BLACK DIAMOND LADIES RINGEstimate: $350 - $10,000Current Bid - 2 bids$80Tallahassee, FLFlorida Estate Sales Inc.4.3(493)
18K White Gold Natural Champagne and Black Diamond Ring with Gemological ReportEstimate: $3,000 - $4,500Starting Bid$900Hollywood, FLWilliamson Auction Gallery4.7(399)
Coral Black Onyx Diamond 18K White Gold Earrings 7.50 GramsEstimate: $2,800 - $3,500Current Bid - 2 bids$1,700Miami, FLDover Jewelry4.5(29)
Pomellato Iconica 18K Rose Gold Black Rhodium Diamond Bangle BraceletEstimate: $20,000 - $40,000Starting Bid$2,500Tokyo, Setagaya CityVictorins Auctions4.5(72)
PLATINUM BLACK & COLORLESS DIAMOND PENDANTEstimate: $3,000 - $4,000Starting Bid$2,500Houston, TXLewis & Maese Antiques & Auction4.4(553)
18K Yellow Gold, Sterling Silver, Diamond, Ruby & Black Onyx Snake EarringsEstimate: $800 - $1,200Starting Bid$600Pittsfield, MAFontaine's Auction Gallery4.6(374)