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
Sold2022Roberto Coin Scalare Gold Diamond RingRoberto Coin Scalare 18k gold ring with approx. 1.35ctw in G/VS diamonds. Ring size - 6.5, ring top is 11mm wide. Weight - 10.1 grams. Marked: Ruby, mark, RC,18kt.See Sold Price
Sold2024Roberto Coin 18k Gold Amethyst RingMetal : 18k Gold Designer : Roberto Coin Gemstone : Amethyst 18mm x 18mm. Measurements : Ring size 7.75. Marked: : Signature ruby, Italy, 750. Weight: : 8.9 grams AddSee Sold Price
Sold2024Roberto Coin 18k Gold Band Ring Lot of 2METAL: 18k Gold. GEMSTONES: Ruby. MEASUREMENTS: Ring sizes are 6 and 6 1/2. MARKED: Maker's Ruby mark, RC Italy Star mark 1226VI 18Kt. WEIGHT: 11.5 grams.Gemstones have not been graded for color aSee Sold Price
Sold2016Roberto Coin 18K Gold & Prasiolite RingRoberto Coin 18K Gold & Prasiolite Ring. 18K gold cocktail ring with 8 prong setting containing a large green Prasiolite center stone measuring approx. 29mm x 29mm x 10mm. Marked 750 (18K) and ItalianSee 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
Sold2022Roberto Coin 18K Gold & Blue Stone RingRoberto Coin 18K white gold ring with blue stone. Size 5 1/4. 6.1 dwt. inclusive.See 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 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
Sold2017A Roberto Coin 18 Karat Yellow Gold Ring.A Roberto Coin 18 Karat Yellow Gold Ring. Flexible basket weave gold top with a solid shank Size: 8.5 Wt: 18.4 gramsSee 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
Sold2017ROBERTO COIN ITALY 18KT GOLD ESTATE RINGLadies Italian 18kt gold ring, hallmark for Roberto Coin, some surface wear, marked 18kt, Italy, hallmarked star, 1226 VI, approx size 5-5.25, 8.4 grams Start Price: $200.00See 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
Sold2015Roberto Coin diamond and 18k yellow gold ringRoberto Coin diamond and 18k yellow gold ring featuring (33) full cut diamonds weighing a total of approximately 0.30 ct., set in articulated 18k yellow and white gold textured links, measuring approxSee Sold Price
Sold2016ROBERTO COIN - an 18ct gold diamond band ring. TheROBERTO COIN - an 18ct gold diamond band ring. The pave-set brilliant-cut diamond panel, with plain band. Signed R Coin. Estimated total diamond weight 2.95ct. Hallmark for Birmingham, 2010. Ring sizeSee 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
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
Sold2022ROBERTO COIN 18 KARAT YELLOW GOLD & DIAMOND RINGCenter set with one round brilliant cut diamond [H-J/VS], approximately 0.22 carats and bead set with one round mixed cut natural ruby, approximately 0.01 carat; size 6-1/2, 2.9 gramsSee Sold Price
Sold201614K 22K Gold Diamond Coin Dome RingRing features 22K Gold one dollar coin. Ring size 4, top measures 17.3mm wide. Tested 22K, 14K. Weight - 16.0 grams. Gemstones have not been graded for color and clarity ,and tested for clarity and coSee 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
2 days LeftPlatinum Auction GroupRoberto Coin 18k Gold Band Diamond Two Tone Silk Mesh Weave Ring$350(3 bids)
3 days LeftMynt AuctionsRoberto Coin Quartz Diamond Doublet Ring in 18K Yellow Gold 0.95 ctw$5(1 bid)