Sold2022GRIMA: BOULDER OPAL AND DIAMOND DRESS RING, 1977GRIMA: BOULDER OPAL AND DIAMOND DRESS RING, 1977 The oval boulder opal in a pierced mount of textured wire with brilliant-cut diamond accents, mounted in 18 carat gold, signed Grima, workshop mark HJCSee Sold Price
Sold2018Boulder opal, diamond and 18k yellow and white goldBoulder opal, diamond and 18k yellow and white gold ring Featuring (1) irregular shaped boulder opal, measuring approximately 22 X 11.3 X 4.5 mm, accented by (2) pear-cut and (6) full-cut diamonds, weSee Sold Price
Sold202418K Yellow Gold, Boulder Opal, & Diamond PendantIncludes one (1) 18K Yellow Gold Boulder Opal and Diamond Enhancer Style Pendant with 18K Yellow Gold 16 ?? Square Foxtail Chain. The pendant consists of one freeform shaped boulder opal and fifteen fSee Sold Price
Sold2022Platinum 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
Sold202114.40ct Boulder Opal Diamond Freeform Ring SZ 814.40ct Boulder Opal Diamond Freeform Ring, set in 18k Gold with 2/0.064 1 VS2 Diamonds. 17.7g, approximately 1.3125 x 1 x 0.5625 in.See Sold Price
Sold2018D. Egbert boulder opal, diamond, cultured pearl and 18kD. Egbert boulder opal, diamond, cultured pearl and 18k yellow gold necklace Featuring (1) irregular boulder opal, measuring approximately 23 X 18 mm, flanked by (10) full-cut diamonds, weighing a totSee Sold Price
Sold2022Boulder Opal, Diamond, Gold Ring.Boulder Opal, Diamond, Gold Ring. Featuring one triangular shaped boulder opal measuring approximately 20 x 14 mm, accented by eight single-cut diamonds weighing a total of approximately 0.15 cttw., sSee Sold Price
Sold2023Art Nouveau Yowah Australian Boulder Opal Diamond 14K Gold StickpinThis is an antique Art Nouveau 14K gold stickpin featuring a fine Yowah Australian boulder opal cabochon and two Old European cut diamonds. The diamonds are I clarity and HI color. It is 2 1/2" long aSee Sold Price
Sold202314K 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
Sold2021Boulder Opal Diamond Yellow Gold PendantBoulder Opal Diamond Yellow Gold Pendant: Weight: 4.8dwt. Length: 19" serpentine chain with spring ring closure stamped: 14k mom and a yellow gold 30x18mm handmade pendant (unstamped: test 14k) holdinSee Sold Price
Sold201714K Gold, Opal, Diamond Brooch / PendantLarge oval 14K yellow gold brooch with hidden bail on back to convert to a pendant, set with large white opal cabochon and the foliate frame set with brilliant cut white diamonds, height 2", width 1.7See Sold Price
Sold2022Antique 14k Gold Opal Diamond Brooch PendantMETAL: 14k Gold. MEASUREMENTS: Brooch is 35mm in diameter. GEMSTONES: Opal (multiple stones are chipped). Diamonds approx. 0.60ctw. MARKED: 14k. WEIGHT: 11.4 grams.Gemstones have not been graded for cSee Sold Price
Sold20151970's Victorian Style Australian Opal Diamond1970's Victorian Style Australian Opal Diamond Brooch/Pendant 2.00CtsSee Sold Price
Sold2015Grima 18k Opal & Diamond Pin /PendantAndrew Grima pin pendant combo set with four vivid Mexican opals and seven small diamonds. Signed A G. Ltd, with London hallmarks for 18k, date letter E. 6.6 dwt.See Sold Price
Sold202118k Yellow Gold 12.17ct. Boulder Opal Y Diamond Bangle18k Yellow Gold 12.17ct. Boulder Opal Bangle 62.5g. Inside measurement 5.5 in., cuff break 1in. ALL CREDIT CARDS WILL BE MANUALLY VERIFIED PRIOR TO SHIPMENT.See Sold Price
Sold2019A 14 Karat Yellow Gold, Boulder Opal and Diamond Ring,A 14 Karat Yellow Gold, Boulder Opal and Diamond Ring, containing one freeform boulder opal measuring approximately 36.00 x 25.80 mm and 126 round brilliant cut diamonds weighing approximately 1.25 caSee Sold Price
Sold2021BOULDER OPAL AND DIAMOND MAGNIFYING GLASS PENDANTBOULDER OPAL AND DIAMOND MAGNIFYING GLASS PENDANT Consisting of two sliding pendants containing one freeform boulder opal measuring approximately 40.00 x 24.00 mm, 26 round brilliant cut diamonds weigSee Sold Price
Sold202019.50ct Boulder Opal, 1.15ctw Diamond 14K Ring19.50ct Boulder Opal, 1.15ctw SI1-SI2/G-H Diamond Solid 14K Yellow Gold Ring W/Blue Sapphire Accents - This lovely ring is made of solid 14k yellow gold and boasts an approximately 19.50ct inset bouldSee Sold Price
Sold2022BOULDER OPAL AND DIAMOND CLUSTER RINGBOULDER OPAL AND DIAMOND CLUSTER RING The oval boulder opal within a radiating surround set with brilliant-cut diamonds, ring size approx. NSee Sold Price
Sold2023Boulder Opal and Diamond RingOpal and Diamond Ring. This 18 karat yellow gold ring features a 13.93 carat, polished freeform beautiful genuine boulder opal that is bezel-set in a frame of .75 carats round, brilliant-cut, G-See Sold Price
Sold202120ct Boulder Opal, 1.20ctw Diamond & Emerald 14K Ring20.00ct Boulder Opal, 1.20ctw Diamond & Emerald Solid 14K Yellow Gold Ring W/Onyx Accents - This lovely ring is made of solid 14k yellow gold and boasts an approximately 20.00ct boulder opal. The ringSee Sold Price
Sold202118k Australian Double Drop Boulder Opal And Diamond18k Australian Double Drop Boulder Opal And Diamond Earrings. 14.2g, Opal 9.16 cts. diamonds 1.26 cts. This is a unique pair of doublet opal earrings, you can wear them as a drop earrings or just theSee Sold Price
Sold2021BOULDER OPAL AND DIAMOND RINGBOULDER OPAL AND DIAMOND RING Containing one freeform boulder opal measuring approximately 24.00 x 11.40 mm and three round brilliant cut diamonds. Mounted in yellow gold. Ring size 6 3/4. Stamp: 750.See Sold Price
Sold2018*A Yellow Gold, Boulder Opal and Diamond Pendant withA Yellow Gold, Boulder Opal and Diamond Pendant with Chain, containing one oval cabochon cut boulder opal measuring approximately 16.43 x 10.73 x 4.48 mm and three round brilliant cut diamonds weighinSee Sold Price
2 days LeftThousand Planet Auction HouseCollection of Australian Artistic Modern Boulder Opal Matrix Boulder Opal Cabochons$10
2 days LeftThousand Planet Auction HouseCollection of Australian Artistic Modern Boulder Opal Matrix Boulder Opal Cabochons$10
2 days LeftThousand Planet Auction HouseCollection of Australian Artistic Modern Boulder Opal Matrix Boulder Opal Cabochons$10
2 days LeftThousand Planet Auction HouseCollection of 3 Artistic Modern Boulder Opal Matrix Boulder Opal Cabochons$10
2 days LeftThousand Planet Auction HouseCollection of Australian Artistic Modern Boulder Opal Matrix Boulder Opal Cabochons$10
2 days LeftThousand Planet Auction HouseCollection of Australian Artistic Modern Boulder Opal Matrix Boulder Opal Cabochons$10
2 days LeftThousand Planet Auction HouseCollection of Australian Artistic Modern Boulder Opal Matrix Boulder Opal Cabochons$10
2 days LeftThousand Planet Auction HouseCollection of Australian Artistic Modern Boulder Opal Matrix Boulder Opal Cabochons$10
2 days LeftThousand Planet Auction HouseCollection of Australian Artistic Modern Boulder Opal Matrix Boulder Opal Cabochons$10
2 days LeftThousand Planet Auction HouseCollection of 3 Artistic Modern Boulder Opal Matrix Boulder Opal Cabochons$10
2 days LeftThousand Planet Auction HouseCollection of Australian Artistic Modern Boulder Opal Matrix Boulder Opal Cabochons$10
2 days LeftThousand Planet Auction HouseCollection of Australian Artistic Modern Boulder Opal Matrix Boulder Opal Cabochons$10
2 days LeftThousand Planet Auction HouseCollection of Australian Artistic Modern Boulder Opal Matrix Boulder Opal Cabochons$10
2 days LeftThousand Planet Auction HouseCollection of Australian Artistic Modern Boulder Opal Matrix Boulder Opal Cabochons$10
2 days LeftThousand Planet Auction HouseCollection of Australian Artistic Modern Boulder Opal Matrix Boulder Opal Cabochons$10
2 days LeftThousand Planet Auction HouseCollection of Australian Artistic Modern Boulder Opal Matrix Boulder Opal Cabochons$10
Jun 08Treasure of Gems & JewelryNatural Opal Multi Color Flashing Boulder 2.68 Ct. Free Form Cabochon Gemstone From Australia$1
4 days LeftElmwood'sAN OPAL AND DIAMOND BROOCH / PENDANT in yellow gold and silver, the openwork body set with an old£480
Jun 06Elmwood'sAN ANTIQUE OPAL AND DIAMOND BROOCH / PENDANT in yellow gold and silver, set with an oval cabochon£1,200
1 day LeftMynt Auctions4.14 ctw Certified Opal & Diamond Victorian Necklace 14K Yellow Gold$62(8 bids)