14K Yellow Gold Opal and Diamond RingNew England Auctions - Fred Giampietro4.6(439)$200(4 bids)Feb 12, 2026
Sold18k Diamond Pearl Avant Garde Ring18k White Gold Weight 5.74g Diamond Approx. 1ct Pearl Avant Garde Ring Size 6 Measurements 0.3”x0.8”See Sold Price
SoldAvant Garde Silver 18k Multi Gem Coral CameoAvant Garde 18k Yellow Gold Weight 84.9gr Multicolor Gem Aquamarine, Emerald Opal, Turquoise, Diamond, Ruby, Original Coral Cameo Cuff Bracelet MeasurementsSee Sold Price
Sold1970s TISHMAN & LEAP 18k Avant Garde Peridot Diamond1970s 18k Yellow Gold Weight 27.1gr Avant Garde Peridot Approx. 0.60ct Diamond Approx. 0.70ct  VVS1-G Signed Piece by TISHMAN & LEAP Measurements 1.25”x0.91” Ring Size 7See Sold Price
SoldPlatinum 18k Gold Diamond Opal RingMetal Content: Platinum/ 18k Gold. Weight of Item: 13.9 grams.Size: 6.25, width of the top - 21mm. Gemstone: Opal , Diamonds. Carat Weight: approx. 0.35ctw. Stamp: 0.35, pt900 k18.See Sold Price
SoldEffy 18K Gold Diamond Opal RingMETAL: 18K gold. GEMSTONES: diamonds, opal. MEASUREMENTS: ring size 7.25. Ring top is 24mm at widest point. MARKED: 18K Effy. WEIGHT: 7.6 grams.Gemstones have not been graded for color and clarity ,anSee Sold Price
Sold18K Gold Diamond Opal RingMETAL: 18k Gold. GEMSTONES: Diamonds approx. 0.35ctw. Opal. MEASUREMENTS: Ring size 7 3/4, ring top is 21mm 18mm wide. MARKED: 18ct. WEIGHT: 6.8 grams.Gemstones have not been graded for color and clarSee Sold Price
Sold18K Gold Diamond Opal RingDESCRIPTION: 18k Yellow gold ring with opal cabochon flanked by inset round cut diamonds.Hallmarked: 'CAG, 750'CIRCA: 20th Cent.ORIGIN: ContinentalDIMENSIONS: Size: 6.5 (Opal) Dia: 17mm (Total Weight:See Sold Price
Sold18k Gold Diamond Opal RingMETAL: 18k Gold. MEASUREMENTS: Ring size - 6.25, ring top - 12mm x 15mm. GEMSTONES: Opal - 6.1mm x 7.6mm, diamonds approx. 1.00ctw. MARKED: JWC, 18k. WEIGHT: 6.9 grams.Gemstones have not been graded fSee Sold Price
Sold18K Gold Diamond Opal RingMETAL: 18K gold. GEMSTONES: diamonds, opal. MEASUREMENTS: ring size 9.25. Ring top is 26mm x 21mm at widest point. MARKED: 750 Queen$Daddy. WEIGHT: 5.5 grams.Gemstones have not been graded for color aSee Sold Price
SoldItalian 18K Gold Diamond Opal RingMETAL: 18K gold. GEMSTONES: diamonds - approx. 0.24ctw, oval cut opal 16.5mm x 10mm. MEASUREMENTS: ring size 6.25. Ring top is 23.3mm x 17mm at widest point. MARKED: Italy 18K. WEIGHT: 11.7 grams. GemSee Sold Price
Sold1960s 18k Gold Diamond Opal RingMetal : 18k Gold Designer : Not Signed Gemstone : Diamonds approx. 0.21ctw. Opal Measurements : Ring size approx. 4 3/4 (sizing balls can be removed to increase the size), top - 21mm wide MarkSee Sold Price
Sold18K Gold Diamond Opal RingMETAL: 18K gold. GEMSTONES: opal, 3 diamonds. MEASUREMENTS: ring size 6. Ring top is 21.5mm x 16mm at widest point. MARKED: 750, maker's hallmark. WEIGHT: 7.4 grams. Gemstones have not been gradedSee Sold Price
Sold14k Avant Garde Diamond Malachite Ring14k Yellow Gold weight 5.5g Avant Garde Diamond Malachite Ring size 5 Measurements 0.8”x0.65”See Sold Price
Sold14k 18k Gold Diamond Opal Ring Lot of 218k gold ring - size 6 1/2, ring top 9.6mm x 12.1mm. Set with approx. diamonds and opal in the center. Marked 18k. Weight - 6.8 grams.14k gold ring - size 4 1/2, top - 12.1mm x 14mm. Set with opal, suSee Sold Price
SoldLadies 18k Gold Diamond & Opal RingOval cabochon fire opal flanked by four round brilliant cut diamonds housed in 18k band. Size 5 1/2" 3.8 grams Sold from the collection of a Blythewood, South Carolina lady.See Sold Price
Sold18K Gold Diamond Opal RingMETAL: 18k Gold. GEMSTONES: Diamonds approx. 0.20ctw. Opal - 7.8mm x 6.3mm. MEASUREMENTS: Ring size 3, ring top is 15.3mm wide. TESTED: 18k. WEIGHT: 3.5 grams.Gemstones have not been graded for colorSee Sold Price
SoldMen's 18K YG, Diamond & Ethiopian Opal RingMen's 18K yellow gold ring with center bezel set ethiopian oval cabochon opal that weighs 12.39cts and has a yellowish orange color with orange and green color play. Bezel set on each side is a triangSee Sold Price
Sold18K Gold Diamond Opal Pendant Ring Earrings SetMETAL: 18k Gold. GEMSTONES: Diamonds approx. 0.60ctw. Opal. MEASUREMENTS: Ring size 4 1/4, ring top is 17.3mm wide. Earrings are 17.2mm x 14.6mm, Pendant - 27mm long with bail x 16mm. TESTED: 18k. WEISee Sold Price
Sold18k Gold Diamond Opal Enamel RingMETAL: 18k Gold. MEASUREMENTS: Ring size - 6, ring is 16mm wide. GEMSTONES: Opal cabochon - 12mm x 9mm, Diamonds approx. 0.22ctw. MARKED: K 750, D.D.S. WEIGHT: 15.5 grams.Gemstones have not been gradeSee Sold Price
Sold18k Gold Diamond Opal Cluster RingMETAL: 18k Gold. MEASUREMENTS: Ring size - 6, ring top is 25mm x 22mm. GEMSTONES: Opals, Diamonds approx. 0.24ctw. MARKED: CR18k. WEIGHT: 11.3 grams.Gemstones have not been graded for color and claritSee Sold Price
Sold18k Gold Platinum Diamond Opal RingRing size 8 3/4, ring top is 26mm x 20mm. Set with opal gemstone - *has a fracture on one side, visible upon close inspection* and approx. .0.23ctw. Marked pt900,k18, 8.11,0.23. Weight - 10.5 grams.GeSee Sold Price
SoldNAPOLEON III 18K GOLD AND DIAMOND OPAL RINGAn 18K gold ring set with an oval opal measuring approximately 17.5 x 14.2 mm, ring size 13. The piece bears French import marks and eagle head gold marks, with diamonds mounted around the opal in a sSee Sold Price
Sold18k Gold Diamond Opal Emerald Cocktail RingLarge 18k gold ring, with two oval opals , emeralds and approx. 1.20ctw in diamonds. Ring size - 6 (shank is bent), ring top - 30mm x 34mm. Weight - 25.5 grams.See Sold Price
Sold18k Gold Diamond Opal Large Cocktail RingMETAL: 18k gold. MEASUREMENTS: size 7, ring top is 30mm x 24mm. GEMSTONES: approx 0.65ctw (VS/H) opal. MARKED: 363, 2205, 18k, 750. WEIGHT: 13.2 grams. Gemstones have not been graded for color and claSee Sold Price
