6 days LeftAn 18K White Gold, Blue Topaz and Diamond Ring Centering a cut-cornered square step-cut blue topazEst. $2,200-$2,800Starting Bid$1,700Monrovia, CAJohn Moran Auctioneers, Inc.4.7(523)
6 days LeftA Platinum, Tourmaline and Diamond Ring Featuring two square emerald-cut green and orangeEst. $2,500-$3,500Starting Bid$1,700Monrovia, CAJohn Moran Auctioneers, Inc.4.7(523)
6 days LeftA Platinum, Gold, Emerald and Diamond Ring Centering a square step-cut emerald flanked by twoEst. $800-$1,200Starting Bid$400Monrovia, CAJohn Moran Auctioneers, Inc.4.7(523)
Oct 30, 202614K Square-Cut Amethyst and Pave Diamond RingEst. $200-$400Starting Bid$100Garnet Valley, PABriggs Auction, Inc.4.6(412)
Nov 1, 202618K gold diamond and sapphire ring. 2 central channels of square cut diamonds and graduatedEst. $800-$1,200Starting Bid$400Sudbury, MATremont Auctions4.6(326)
Nov 1, 202614K white and yellow gold diamond ring. 3 square cut diamonds surrounded by yellow gold frames on aEst. $300-$500Starting Bid$150Sudbury, MATremont Auctions4.6(326)
Nov 1, 202618K gold diamond ring. 3 channels of slightly graduated square cut diamonds; largest about 2.6mm,Est. $700-$900Current Bid - 1 bid$350Sudbury, MATremont Auctions4.6(326)
Nov 10, 2026Certified 6 Carat 14KT Solid White Gold Lab Grown Diamond Square Cut Engagement RingEst. $16,000-$18,000Starting Bid$50Delhi , DelhiGatral Gems4.4(14)
Nov 1, 202614K white gold diamond ring. 4 small square cut diamonds set together in a diamond shape. MarkedEst. $250-$350Starting Bid$125Sudbury, MATremont Auctions4.6(326)
Nov 14, 2026Square Bowl, American Brilliant Cut Glass, Shagbark Pattern By J. HoareEst. $100-$250Current Bid - 1 bid$10Douglass, KSWoody Auction LLC4.9(2.9k)
Nov 10, 2026Certified 4.00 Carat Square Cut 14kt Solid White Gold Natural Emerald & Natural Diamond RingEst. $10,000-$12,000Starting Bid$50Delhi , DelhiGatral Gems4.4(14)
Oct 28, 2026Tiffany & Co., Yellow Gold, Diamond, and Ruby NecklaceEst. $3,000-$5,000Starting Bid$1,500Palm Beach, San Diego, New York, Chicago, ILFreeman's4.4(1.7k)
Buy NowNatural Yellow Loose Diamond 0.19 Ct. Square Princess Cut 2.8 Mm.$38Lake Charles, LATreasure of Gems & Jewelry4.5(274)
6 days LeftAn 18K Gold and Citrine Ring Centering a square step-cut citrine measuring approximately 12.91 xEst. $1,800-$2,200Starting Bid$1,200Monrovia, CAJohn Moran Auctioneers, Inc.4.7(523)
Nov 10, 20263.5 Carat Square Cut Certified Natural Emerald & Natural Diamonds 14KT Solid White Gold EngagementEst. $12,000-$14,000Starting Bid$50Delhi , DelhiGatral Gems4.4(14)
Oct 30, 2026Square Bowl, American Brilliant Cut GlassEst. $100-$200Starting Bid$5Douglass, KSWoody Auction LLC4.9(2.9k)
6 days LeftGIA Certified 1.00ct 1.01ct Square Halo Cushion cut diamond stud earrings 14k *vEst. $14,250-$18,000Starting Bid$14,250NY, USAvis Diamond Galleries4.3(13)
Buy NowNatural Yellow Loose Diamond 0.15 Ct. Square Princess Cut$30Lake Charles, LATreasure of Gems & Jewelry4.5(274)
6 days Left.25ct natural round cut diamonds unisex band platinum mod square form *vEst. $3,800-$4,800Starting Bid$3,800NY, USAvis Diamond Galleries4.3(13)
6 days LeftPlatinum 4.02ctw square cushion cut lab grown diamond engagement ringEst. $13,000-$19,500Starting Bid$6,500Sterling, VAKNJ4.4(95)
Oct 28, 2026Approximately 16.50 Carat Diamond and 18K Yellow Gold Line BraceletEst. $3,000-$5,000Current Bid - 3 bids$1,900Geneseo, NYCottone Auctions4.7(346)
Oct 30, 2026Certified 8.5 Carat Square cut Lab Grown Blue Sapphire Engagement Ring 14KT Solid White GoldEst. $10,000-$12,000Starting Bid$50Delhi, INForever Diamond4.3(4)
2 days Left3.5 CT Diamond Tennis BraceletEst. $3,200-$4,800Starting Bid$2,400Williston, VTMerrill's Auctioneers and Appraisers4.5(940)
Nov 1, 2026Retro 14K gold diamond and sapphire ring. Central round cut diamond (4.4mm) set in white goldEst. $700-$1,000Current Bid - 1 bid$350Sudbury, MATremont Auctions4.6(326)