Jul 02, 2026Roberto Coin San Marco 18k Two-Tone Gold & Diamond Station Collar NecklaceEst. $6,000-$8,000$4,000Akiba GalleriesDania Beach, FL
Jul 12, 2026Roberto Coin Italian 18k and 14k Rose Gold Ruby and Rubber Choker NecklaceEst. $2,000-$3,000$1,600Taylor & HarrisWILMINGTON, CA
6 days LeftRoberto Coin 18k Yellow Gold Double Strand Diamond Enamel NecklaceEst. $3,926-$5,103$100(1 bid)BidhausNew York, NY
6 days LeftRoberto Coin 18K Yellow Gold and Diamond Daisy Pendant NecklaceEst. $325-$450$225Hampton Estate AuctionNew York, NY
Jul 29, 2026ROBERTO COIN APPASSIONATA GOLD NECKLACE 18K YELLOW DIAMOND CLASP COLLAREst. $30,955-$34,597$25,250Modern JewelryValley Village, CA
7 days LeftSouth Sea Pearl Station Necklace in 14K Yellow GoldEst. $4,300-$6,900$3,225Serenity GallerieSaint Petersburg, FL
6 days LeftRoberto Coin 18k Yellow Gold Toggle Necklace Grey Enamel Diamonds 35 InchEst. $4,498-$5,847$100Mynt AuctionsNew York, NY
7 days Left1.04 ctw Mixed Cut Diamond Bar Pendant 18K White Gold NecklaceEst. $3,800-$6,000$2,850Serenity GallerieSaint Petersburg, FL
Jul 05, 2026Roberto Coin 18K Yellow White Gold Diamond Collar NecklaceEst. $34,918-$39,108$11,000Diamond DepotNew York, NY
7 days Left16 inch 6.87 ctw Diamond Pave Linq Cuban Link 18K White Gold NecklaceEst. $17,800-$25,900$14,000Serenity GallerieSaint Petersburg, FL
7 days Left1.59ct Pink Sapphire and 0.20ctw Diamond 14K White Gold PendantEst. $4,400-$7,000$3,325Serenity GallerieSaint Petersburg, FL
7 days Left1.15 ctw White Diamond Cluster Pendant Necklace 18K White GoldEst. $3,500-$5,600$2,600Serenity GallerieSaint Petersburg, FL
6 days LeftROBERTO COIN 20K Rose Gold 41 Ct Fancy Diamond NecklaceEst. $93,847-$122,001$100BidhausNew York, NY
7 days Left4.09 ctw Baguette & Round Diamond Station 18K Yellow & White Gold NecklaceEst. $15,600-$22,700$12,200Serenity GallerieSaint Petersburg, FL
7 days Left2.10ct Colombian Emerald E/C and 0.12ctw Diamond 18K White Gold PendantEst. $5,300-$8,400$3,975Serenity GallerieSaint Petersburg, FL
Jul 29, 2026ROBERTO COIN APPASSIONATA DIAMOND 18K GOLD BASKET WEAVE COLLAR NECKLACEEst. $35,591-$39,778$29,250Modern JewelryValley Village, CA
7 days LeftClassic 10.0 ctw Diamond 18K White Gold Tennis NecklaceEst. $18,000-$26,300$14,200Serenity GallerieSaint Petersburg, FL
7 days Left1.60 ctw White Diamond Fiori Cluster Bar 18K White Gold PendantEst. $3,900-$6,200$2,900Serenity GallerieSaint Petersburg, FL
7 days Left1.73 ctw Baguette & Round Diamond Infinity 18K White Gold Pendant NecklaceEst. $5,500-$8,700$4,100Serenity GallerieSaint Petersburg, FL
Jul 12, 2026ROBERTO COIN 18K YELLOW GOLD DIAMOND NECKLACE 74.4 GEst. $25,500-$28,500$21,000Modern JewelryValley Village, CA
22 hrs LeftRoberto Coin 1/4 ct Diamond Necklace 18k Yellow Gold Oval Cut 16-18"Est. $1,700-$2,300$25Eco Estate JewelryLakeway, TX
7 days Left1.33 ctw White Diamond Intertwined Cluster 18K Rose & White Gold PendantEst. $3,900-$6,200$2,900Serenity GallerieSaint Petersburg, FL
7 days Left1.41 ctw White Diamond Floral 18K Rose Gold Pendant NecklaceEst. $5,700-$9,100$4,300Serenity GallerieSaint Petersburg, FL
Jul 03, 2026Roberto Coin 18k Pink Yellow Gold Diamond Flex Choker NecklaceEst. $13,117-$17,052$100BidhausNew York, NY