14K GOLD RING WITH NATURAL BOULDER OPAL AND DIAMOND (SIZE: 8.25) 6 GRAMSModern Jewelry4.5(203)$2,050Feb 22, 2026
14K GOLD RING WITH NATURAL BOULDER OPAL AND DIAMONDS SIZE: 6.25 3.5GModern Jewelry4.5(203)$1,025Feb 22, 2026
Fire Opal and Diamond Ring in 18k Yellow GoldEric's Estate & Jewelry4.6(528)See Sold PriceJul 21, 2025
Sold18K NATURAL BOULDER OPAL RING 20.1gHandmade 18K yellow gold ring measuring 24mm wide featuring a bezel set uncapped boulder opal on ironstone host rock, measuring approximately 22.5 x 12mm, with blue background colour and blue, green aSee Sold Price
SoldAN 18 CARAT GOLD BOULDER OPAL RINGAN 18 CARAT GOLD BOULDER OPAL RING, a round opal in a bezel setting to a tapering shank. Hallmarked Birmingham 1899, ring size O, 5.6 gramsSee Sold Price
SoldVintage 14K Gold Gold Boulder Opal RingJewelry: Ladies Estate Vintage 14k Gold Boulder Opal Ring Metal: 14K yellow gold Gram Weight: 8.4 Ring Size: 7 Dimensions: 18mm x 14mm profile Please note that this lot has a confidential reserve. WheSee Sold Price
SoldBoulder opal ring GG 750/000 NBoulder opal ring GG 750/000 Naturalistic single piece with a boulder opal 25 x 9,5 mm, RG 52, W marked, 13,6 gSee Sold Price
Sold14kt Yellow Gold and Boulder Opal Ring.14kt Yellow Gold and boulder Opal ring in filigree setting.See Sold Price
SoldA Boulder Opal Ring.A BOULDER OPAL RING. 14 karat yellow gold mounting contains one prong set oval boulder opal cabochon. Size: 8 1/2 Wt: 17.6 gramsSee Sold Price
SoldEstate Boulder Opal Ring in 14K Yellow GoldEstate, Metal type: 14k yellow gold, Gemstone: 4.0ct boulder opal, Size: 7, Weight: 6.7 gramsSee Sold Price
Sold14k Gold Boulder Opal RingMETAL: 14k Gold. MEASUREMENTS: Ring size 5.25, top is 24mm x 14mm. GEMSTONES: Boulder opal. TESTED: 14k. WEIGHT: 3.4 grams.Gemstones have not been graded for color and clarity ,and tested for claritySee Sold Price
SoldAntique 14k Gold Australian Boulder Opal RingLot 318 Antique 14k Gold Australian Boulder Opal Ring Ring Size: 5, Width: .26 in. Diameter: .89 in. Opal: 5.5 x 2.75 mm 2.32 gSee Sold Price
SoldVintage Native American Sterling and Boulder Opal RingsBeautiful assortment of vintage Native American sterling rings. Each ring has a stunning polished boulder opal. Rings are between size 4 1/2 and 9, overall approx weight of 22g. One ring with mark notSee Sold Price
SoldB. Lombard Sterling & Boulder Opal RingMarked Sterling and B. Lombard. Size 8. 1-1/4" wide. DP. IMPORTANT: Before bidding, please read the terms and conditions. When you registered for the auction you agreed to these terms and will be requSee Sold Price
SoldBold Boulder Opal and Diamond Men's Ring in 14 Karat GoldHandsome diamond and boulder opal ring. This massive ring features a boulder opal stone set in 14K yellow gold. It is truly a unique piece!Surrounding the boulder opal is a halo of round brilliant diaSee Sold Price
SoldVintage Men's Beautiful Boulder Opal & 18K Gold RingHere is a very nice men\'s natural boulder opal ring set in 18K yellow gold. This one has been around for awhile, probably since the 40\'s.Stunning oval shape boulder opal displays a beautiful green pSee Sold Price
SoldPlatinum 4.5Ct Boulder Opal & Diamond Ring, Size 4 3/4, TW:8.2 Grams.Platinum 4.5Ct Boulder Opal & Diamond Ring, Size 4 3/4, TW:8.2 Grams.See Sold Price
Sold18K YG 7.50ct Boulder Opal & Dia. Ring, 6.5Material: 18K Yellow Gold Boulder Opal Weight: 7.50 ct Diamond Weight: 0.09 ctw Ring Size: 6.5 Weight: 8.9 gramsSee Sold Price
SoldVintage Blue Doublet Boulder Opal Cocktail Ring 9K Yellow Gold, 4.48 GramsVintage Blue Doublet Boulder Opal Cocktail Ring 9K Yellow Gold, 4.48 Grams This is a gorgeous statement ring! Let us know if you have any questions. Gemstones: 1 blue doublet boulder opal, 15 mm x 11See Sold Price
Sold14Kt Yellow Gold Australian Boulder Opal / Diamond Ring.14Kt Yellow Gold Australian Boulder Opal / Diamond Ring. Ring has one Australian Boulder Opal on the center with 10 round Diamonds. Ring size: 2.75. Total weight: 7.50 Grams.See Sold Price
Sold14K GOLD BOULDER OPAL PENDANT & RING.14K yellow gold ring set with a boulder opal, the outer edge in layers of brown and the center with blues, greens and some reds, approx. 11 x 28mm, ring size 7. The pendant with a pear shaped opal witSee Sold Price
SoldA yellow metal and boulder opal dress ring; the oblique shaped rectangular plaque within a texturedA yellow metal and boulder opal dress ring; the oblique shaped rectangular plaque within a textured mount and set above a textured fold-formed shank. Italian hallmarked '750' and signed J.L. Ring headSee Sold Price
Platinum 3.42ct Boulder Opal & Diamond Ring Size 6.25Platinum 3.42ct Boulder Opal & Diamond Ring Size 6.25 Crafted in Platinum (Pt900) 3.42 carat opal .07 carat diamondSet with gemstones totaling 3.49 ct Featuring natural opal cabochon ASee Sold Price
SoldESTATE STULLER 14KT YELLOW GOLD & BOULDER OPAL SCULPTURAL RINGEstate 14kt yellow gold designer ring, Stuller, featuring a free-form boulder opal, approx 1ct, centrally set within sculptural shell-form shoulders, marked Stuller, 1987, 14K, ring size 8.5, total weSee Sold Price
Sold14K White Gold Boulder Opal Diamond Ring14K white gold ring, brightly polished, featuring centered prong set boulder opal cabochon, weighing approx. 2.65 carats, further adorned with 6 prong set round brilliant cut diamonds weighing a totalSee Sold Price
SoldVintage Silver Black Boulder Opal & Turquoise RingSigned K.A. sterling silver black boulder opal and turquoise ring, marked: "K.A. .925". Ring measures: 1.06"L x 2.0"W. Size: 7 1/2. Approx: 0.34 ozt. inclusive.See Sold Price
