Sold2021Roberto Coin 15ct Rutilated Quartz, Diamond 18K RingRoberto Coin 15.00ct Rutilated Quartz, 0.50ctw VS1-VS2/G-H Diamond Solid 18K Rose Gold Cocktail Ring - This beautiful ring was made by Roberto Coin, and was finely crafted of solid 18k rose gold. ThisSee Sold Price
Sold2023Roberto Coin Diamond Quartz Gold RingMetal : 18k Gold Designer : Roberto Coin Gemstone : Diamonds approx. 0.45ctw. Quartz Measurements: Ring size 6 1/2, otp is 15mm Marked: RC 18k Weight: 10 grams The itSee Sold Price
Sold2017Roberto Coin 18kt. Ringcenter cabochon smoky quartz approx. 29 x 20mm, backed with mother of pearl, approx. 48 round brilliant diamonds estimated total weight 1.0 carat, stamped "Roberto Coin, 18K, Italy" and with ItalianSee Sold Price
Sold2023Roberto Coin 18k diamond flexible ring bandTitle: Roberto Coin 18k diamond flexible ring band Additional Information: Vintage from before 2000 Size: 7 1/2 US Materials: Gold Gemstone: Diamond Description Roberto Coin 18k diamond flexible wideSee Sold Price
Sold2023ROBERTO COIN "APPASSIONATA" 18K YG & DIAMOND RINGRoberto Coin limited edition "Appassionata" 18k yellow gold ring set with 50 colorless diamonds, total diamond weight 1.00 carats. Basket weave type pattern. Size 6. Set with a single marquis cut rubySee Sold Price
Sold2017Roberto Coin 18k Gold Diamond Gemstone RingMETAL: 18k gold. MEASUREMENTS: ring size - 7 3/4, ring top is 33mm x 23mm. GEMSTONES: olive green gemstone, diamonds approx. 1.00ctw. MARKED: Italy, 18kt, Roberto Coin, signature Ruby. WEIGHT: 28.3 grSee Sold Price
Sold2016Roberto Coin 18K Yellow Gold & Diamond RingRoberto Coin Appassionata. En suite with above, stamped 18k with signature ruby, flexible basket weave design, containing 15 small round diamonds, gross weight approx. 10.60dwts Ring size 6-1/2See Sold Price
Sold2020Roberto Coin 18K Gold Diamond Band RingMETAL: 18k white gold. GEMSTONES: Diamonds approx. 0.48ctw. MEASUREMENTS: Ring size 6 3/4, ring band is 12mm wide. MARKED: Roberto Coin 18Kt Italy. WEIGHT: 13.9 grams.Gemstones have not been graded foSee Sold Price
Sold2021Roberto Coin 18k Gold Diamond Band RingMETAL: 18k Gold. MEASUREMENT: Ring size - 5.5, ring is 7.7mm wide. GEMSTONES: Diamonds approx. 0.30ctw. MARKED: Italy, 18kt, 1226VI signature manufacturing mark of Roberto Coin. WEIGHT: 6 grams.GemstoSee Sold Price
Sold2023Roberto Coin 18k Gold Diamond Band RingMETAL: 18k Gold. GEMSTONES: Diamonds approx. 0.24ctw. MEASUREMENTS: Ring size 6 1/4, band is 2mm. MARKED: Maker's ruby mark, 18k, RC. WEIGHT: 2.2 grams.Gemstones have not been graded for color andSee Sold Price
Sold2022Roberto Coin 18K White Gold Diamond RingA Roberto Coin 18K white gold ring with three diamond stations, each station containing six round white approximately .015ct diamonds. Total diamond weight approximately .28ctw. With Signature RobertoSee Sold Price
Sold2017Roberto Coin 18K Brushed Rose Gold & Diamond RingEn suite with above, stamped Roberto Coin 18KT with signature ruby, containing 16 small inset diamonds, gross weight approx. 8.0dwts Ring size 6See Sold Price
Sold2021Roberto Coin 18K White Gold Diamonds, Citrine RingThis Roberto Coin ring is crafted from 18K white gold and set with a 17.50 ct citrine and with black and brown diamonds that total 1.20 and 1.85 carats respectively. The ring weighs 24.59 grams, boastSee Sold Price
Sold2019Roberto Coin Diamond & 18K Flower RingRoberto Coin 0.80ctw VS1-VS2/F-G Diamond & Solid 18K White Gold 31mm Wide Flower Ring W/Box & Guarantee Card (Retired Piece) - This exquisite ring was made by Roberto Coin, and was finely crafted of sSee Sold Price
Sold2021Roberto Coin 18K Gold Diamond Pink Sapphire Flower Ring18k gold ring by Roberto Coin Ring with approx. 5.00ctw pink sapphire and approx. 0.07ctw in diamonds. Ring size 6, ring top measures 28mm x 28mm. Marked: Ruby maker's mark, 750, Italy, Serial number.See Sold Price
Sold2021Roberto Coin Barocco 18k Rose Gold Diamond Woven RingNew store sample 18k rose gold band ring by Roberto Coin from Barocco collection, with approx. 0.46ctw in diamonds. Ring size - 6.5, ring top is 5mm wide. Weight - 5 grams. Marked: Ruby, mark, RC,18ktSee Sold Price
Sold2021Roberto Coin 18k White Gold Liberty Pink Enamel DiamondRoberto Coin 18k White Gold Liberty Pink Enamel Diamond Ring Roberto Coin 18k White Gold Liberty Pink Enamel Diamond Ring Product Description About This Piece: About Roberto Coin: Founded in Vicenza iSee Sold Price
Sold2023Roberto Coin Diamond Floriform RingsRoberto Coin, Two 18k White Gold & Diamond Floriform rings. Stamped 18K RC on shank. Both size 7See Sold Price
Sold2023A Roberto Coin Sapphire, Iolite & Diamond Ring 18K18K white gold masterpiece ring by Roberto Coin featuring oval cabochon and faceted iolite, round faceted sapphires and diamonds prong set in flexible round slight dome design, Roberto Coin signatureSee Sold Price
Sold2019Roberto Coin Appassionata Diamond 18k Gold Band RingMETAL: 18K White Gold. MEASUREMENTS: Ring size - 9, ring is 15mm wide.GEMSTONES: Diamonds approx. 0.30ctw. MARKED: Signature ruby, 18Kt, Italy, Roberto Coin, 1226VI. WEIGHT: 17.0 grams. Gemstones haveSee Sold Price
Sold2021Seidengang Laurel Lemon Quartz Diamond RingGorgeous ring in 18k yellow gold by Seidengang featuring lemon quartz and diamonds. It is 14mm wide at the top, a size 7, and it weighs 18.7 grams. Original list price of $8,625. w35930 Have a similSee Sold Price
Sold2021Roberto Coin 21mm Quartz, Diamond and 18K NecklaceRoberto Coin 21mm Rutilated Quartz, 0.40ctw VS1-VS2/G-H Diamond and Solid 18K Rose Gold 18" Necklace - This lovely necklace was made by Roberto Coin and was finely crafted of solid 18k rose gold. TheSee Sold Price
Sold201818k WG Roberto Coin Cento Diamond RingGents 18k White gold Roberto Coin Cento collection diamond ring. This stunning ring features 23 100 facet cut round diamonds each approx being .05 carats totaling 1.15 carats of diamonds total. MarkedSee Sold Price
2 days LeftSeized Assets Auctioneers18k Yellow Gold Lemon Quartz & Black Diamond Cocktail Ring by Carlo RiciUS$1
1 day LeftFederal Assets Auctioneers18k Yellow Gold Lemon Quartz & Black Diamond Cocktail Ring by Carlo RiciUS$1
3 days LeftFederal Assets Auctioneers18k Yellow Gold Lemon Quartz & Black Diamond Cocktail Ring by Carlo RiciUS$1
6 days LeftFederal Assets Auctioneers18k Yellow Gold Lemon Quartz & Black Diamond Cocktail Ring by Carlo RiciUS$1
2024Jasper52Roberto Coin Primavera 18k White Gold and Diamond Woven Band Ring Size 6.25See Sold Price
1 day LeftSeized Assets Auctioneers18K White Gold Rectangular Lemon Quartz Diamond Encrusted Bail Pendant NecklaceUS$1
2 days LeftMiami Auctions & Appraisals LLC Roberto Coin Nabucco Diamond & Gemstone 18K Suite Set of 4US$23,750
1 day LeftSeized Assets Auctioneers18K White Gold Oval Bezel Prasiolite Quartz & Pave Diamond Twisted Cocktail RingUS$1
2 days LeftSeized Assets AuctioneersLarge Bold 18K White Gold Oval Smoky Quartz 2.50 ctw Diamond Cluster Cocktail RiUS$1
Jun 15Hess Fine AuctionsRoberto Coin 18k Gold Diamond Circle Chain Bib Necklace Bracelet Earring Suite w/ Orig. Mayors BoxUS$850(3 bids)
4 days LeftTremont AuctionsRoberto Coin 18K gold diamond huggie earrings. Yellow gold with white gold diamond mounted bands.US$500(1 bid)
Jun 24Platinum Auction GroupRoberto Coin Diamond 18k Gold Triple Basket Weave Flex Collar NecklaceUS$500
7 hrs LeftSeized Assets Auctioneers18K White Gold Rectangular Lemon Quartz Diamond Encrusted Bail Pendant NecklaceUS$1(1 bid)