Sold2024Sterling silver oval shape Australian boulder opal doublet pendant and chain necklaceSterling silver oval shape Australian boulder opal doublet pendant and chain necklace. Opal has very nice play of color. Chain length can be worn as 16 inches and 18 inches. Pendant length 1/2 inchesSee Sold Price
Sold202318k Yellow Gold Freeform Opal Necklace14k yellow gold freeform pendant containing one freeform boulder opal, one oval cabochon doublet, four gemstones of various cuts and colors and one round brilliant cut diamond weighing approximately 0See Sold Price
Sold2016A boulder opal necklace. Comprising thirty-oneA boulder opal necklace. Comprising thirty-one irregular-shape boulder opal beads, measuring 0.9 to 1.5cms, with a spherical openwork push-piece clasp. Length 45cms. Overall condition fair to good. SoSee Sold Price
Sold2017Estate Sterling Silver & Boulder Opal NecklaceEstate Sterling Silver & Boulder Opal Necklace, measures 18''L end to endSee Sold Price
Sold2023GIA 5.51 G BOULDER OPAL PENDANT NECKLACE W/PAPERSGIA certified 5.51 G boulder opal pendant hung on an 18K yellow gold black diamond beaded necklace. Center stone set in a white + yellow metal pendant w/numerous near colorless round brilliants. MeasuSee Sold Price
Sold2021BOULDER OPAL BEAD NECKLACEBOULDER OPAL BEAD NECKLACE Containing 49 round graduated boulder opal beads measuring 11.00-7.65 mm in diameter, with yellow gold clasp. 18 1/2 inches long. Stamp: 14K. 27.75 dwt.See Sold Price
Sold2022Vintage Mid Century Designer Mexican Sterling Silver Fire Boulder Opal Malachite NecklaceThis is a vintage designer Mexican sterling silver studio necklace accented with a large boulder opal accented by flanking malachite cabochons. The necklace length is 24" long and it weighs 33.7g. TheSee Sold Price
Sold2023Vintage 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
Sold2022Opal Doublet, Diamond, 14k Enhancer PendantFeaturing an abstract-shape boulder opal doublet highlighted by one full-cut diamond weighing approximately 0.01 ct., set in a 14k yellow gold enhancer style pendant mounting measuring approximately 3See Sold Price
Sold2017Beautiful Blue Opal and Diamond EarringsBeautiful Blue Opal and Diamond Earrings 18k yellow gold, the earrings mounted with four blue boulder opal doublets weighing approximately 5.77 carats in total, accented with round brilliant-cut diamoSee Sold Price
Sold2022A BOULDER OPAL AND PINK SAPPHIRE BROOCH / NECKLACE in 18ct gold, set with a central polished boulderA BOULDER OPAL AND PINK SAPPHIRE BROOCH / NECKLACE in 18ct gold, set with a central polished boulder opal of 39.0mm in a border of round cut pink sapphires, on a black cord necklace, clasp stamped 750See Sold Price
Sold2015Boulder Opal, 18k White Gold Pendant Necklace.Boulder Opal, 18k White Gold Pendant Necklace. Featuring one asymmetric boulder opal measuring approximately 26 x 12 mm, set in an 18k white gold pendant enhancer mounting, suspended from a 17 inch, 1See Sold Price
Sold202414K Gold Opal, Pearl Necklace Bracelet EarringThree-piece 14K Gold pearl jewelry lot. Necklace: with bezel set Boulder Opal measuring 12mm x 10mm, necklace measures 19in Long and the pearls measure 3mm each. Earrings are clip, measure 1in diameteSee Sold Price
Sold2022Boulder Opal, 18k Yellow Gold Jewelry Suite.Boulder Opal, 18k Yellow Gold Jewelry Suite. Including one boulder opal measuring approximately 54 x 33 mm, 18k yellow gold brutalist style 24 inch necklace; one pair of boulder opal, 18k yellow goldSee Sold Price
Sold2020Group of 14k Gold Jewelryincluding amethyst and diamond ring, two onyx pendants, two diamond pearl enhancers and two pairs of earrings, both for pierced ears together with an 18k gold necklace set with an opal doublet, 24 dwtSee 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
Sold2020Foxfire 14k Opal Diamond Pendant Necklace and EarringFoxfire 14k Opal Diamond Pendant Necklace and Earring Suite. Includes a boulder opal pendant 48x24mm set with five round brilliant cut diamonds of 4mm each. It hangs from a 14k rope chain 16''. It comSee Sold Price
Sold2021Platinum and 18KY Gold Opal NecklaceFancy two tone necklace, with platinum peanut links and twisted bar links in 18ky gold, features an oval opal doublet centerpiece with a marquise dangle, both bezel set and flaring deep red orange, blSee Sold Price
Sold2021Necklace with cultured pearls and 14 kt gold clasp withNecklace with cultured pearls and 14 kt gold clasp with opal , YG 585/000, l. approx. 47 cm, case lock with boulder opal, pearls diam. approx. 4 mm, nat. characteristicsSee Sold Price
Sold2015CUSTOM MADE OPAL SQUASH BLOSSOM NECKLACE.368 carat total - boulder squash blossom, has seven silver wrapped boulder opals. Neckless uses hematite stones, Turkomen silver beads and cornelian roundels.See Sold Price
202360Gram Old Western Asiatic Decorated Etched Carnelian Beads Necklace Tibetan DZiDimension: 21 inches Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known AustralianSee Sold Price
Sold2023335Gram Three Murano Millefiori Glass Paperweights Venetian Art Glass Beads NecklaceDimension: 23 Inches Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known AustralianSee Sold Price
Sold2023242Gram Murano Millefiori Glass Paperweights Venetian Art Glass Beads NecklaceDimension: 19x17mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known Australian LSee Sold Price
Sold2023167Gram Murano Millefiori Glass Paperweights Venetian Art Glass Beads NecklaceDimension: 30 lnches Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known AustralianSee Sold Price
May 19SOUTHWESTERN STYLE GALLERYNavajo Calvin Desson Inlay Jet Turquoise Opal Earrings Pendant Set Navajo Pearls$540
2 days LeftRipley AuctionsCustom 14K gold boulder opal and diamond link drop earrings 2 3/4"H x 1/2"W$120(2 bids)
1136 Lots AwayThousand Planet Auction HouseA Collection of Australian Boulder Opal Rub Rough Specimens, Direct from Winton Mine$5
May 22Hannam's Auctioneers LtdA collection of silver gemstone rings including Boulder Opal. 38 grams. O to S. (qty)£10
1036 Lots AwayThousand Planet Auction HouseA Trio of Natural Koroit Boulder Opals, 99Ct, Direct from Queensland Mines$5(1 bid)
666 Lots AwayThousand Planet Auction HouseGroup of 2 Fine Polished Koroit Yowah Matrix Boulder Opal$5(1 bid)
936 Lots AwayThousand Planet Auction HouseA Gleaming Koroit Boulder Opal Cabochon, Contemporary Australian Gemstone$5(1 bid)
7 days LeftTreasure of Gems & JewelryNatural Multi Color Flashing Boulder Opal 31.58 Ct. Free Form Cabochon Shape 37 x 23 Mm. Gemstone$1
2024Thousand Planet Auction HouseA Trio of Natural Koroit Boulder Opals, 87Ct, Direct from Queensland MinesSee Sold Price