1.57ct AFRICAN CLEAR OPAL OVAL CABOCHON CUT NATURAL RARE BEAUTIFUL COLOR PLAYModern Jewelry4.5(203)$225Mar 19, 2026
1.57ct AFRICAN CLEAR OPAL OVAL CABOCHON CUT NATURAL RARE BEAUTIFUL COLOR PLAYModern Jewelry4.5(203)$225Feb 12, 2026
LOOSE NATURAL UNTREATED ROUND CUT CABOCHON OPAL Sale is for 1 round cut cabochon opal Opal measuresModern Jewelry4.5(203)$84Mar 05, 2026
LOOSE NATURAL UNTREATED ROUND CUT CABOCHON OPAL Sale is for 1 round cut cabochon opal Opal measuresModern Jewelry4.5(203)$8421 hrs Left
6.25CT NATURAL UNTREATED WHITE MULTI COLORED OPAL CABOCHON FREEFORMModern Jewelry4.5(203)$245Feb 12, 2026
Natural Multi-Color Opal 2.27 Ct. Oval Cabochon Shape 10.7 x 7.5 Mm. Gemstone UnheatedTreasure of Gems & Jewelry4.4(213)$1Feb 08, 2026
SoldA Transparent Opal Cabochon Diamond Platinum NecklaceA Transparent Opal Cabochon Diamond Platinum Necklace Diamonds - 1.5 TCW Approximate Dimensions: 22.5 mm x 18 mm (Opal Length x width) x 3 cm (pendant length) x 41 cm (Total Unclasped Length of NecklaSee Sold Price
SoldBlack Opal Cabochon And 14k Gold Ring14k Yellow Gold Ring Featuring Black Opal Cabochon. Approximately 13 Grams Tw. Opal Is 34.7mm X 39.4mm. Approximately Size 6.5 Without Sizer. All Jewelry Must Be Paid By Wire Transfer Or In-person CasSee Sold Price
Sold14k Yellow Gold 25 Oval Opal Cabochon NecklaceStunning fire opal necklace with 50 6mm x 4mm oval fire opals approximately 25ct, mounted in a 14k prong settings, 30 grams, very good condition, 17.5" lengthSee Sold Price
SoldPair of White Gold, Opal, Cabochon Sapphire and White Sapphire Bombé EarclipsPair of White Gold, Opal, Cabochon Sapphire and White Sapphire Bombé Earclips 18 kt., oval cabochon colorless opals and sapphires, round white sapphires, ap. 22.7 dwts. gross. CSee Sold Price
SoldAn early 20th century gold, opal cabochon and old-cutAn early 20th century gold, opal cabochon and old-cut diamond cluster ring, estimated total diamond weight 0.80ct, I-J colour, SI clarity, opal measures approximately 13.5 by 11 by 3.9mm, ring size S,See Sold Price
Sold18kt Yellow Gold Ring with White Opal Cabochon Center18kt Yellow Gold Ring with White Opal Cabochon Center Stone and Green Gemstone Accents Signed M + Co., 18kt yellow gold (stamped and tested), size 5, 12.95 grams total weight, snake motif, shank adornSee Sold Price
SoldA platinum opal and diamond ring. The opal cabochon,A platinum opal and diamond ring. The opal cabochon, with pave-set diamond shoulders. Approximate diameter of opal 10mms. Estimated total diamond weight 0.20ct. Hallmarks for Birmingham. Ring size N 1See Sold Price
SoldBLACK OPAL CABOCHON 14K YELLOW GOLD PENDANTOval cabochon black opal pendant in 14k yellow gold. Apparently unmarked, tested as 14k. Provenance: Private Collection, Atlanta, GA. Approximate measurements: l. 1.375", w. 0.75", opal 24.52 x 18.01See Sold Price
Sold4.96 Carat Fire Opal Cabochon Diamond 18k Gold RingMETAL: 18k Gold. MEASUREMENTS: Ring size - 6.5, ring top - 15mm wide. GEMSTONES: Fire opal cabochon - 4.963ct, Diamonds - 0.70ctw. MARKED: 4.963, k18, D070. WEIGHT: 9.2 grams.Gemstones have not been gSee Sold Price
SoldGIA 18ct Natural Untreated Black Opal Cabochon Loose Unset Fine GemstoneDescribed by:Ayanna CNX 1609 8119 Title:GIA 18ct Natural Untreated Black Opal Cabochon Loose Unset Fine Gemstone Description: GIA 18ct Natural Untreated Black Opal Cabochon Loose Unset Fine Gemstone.See Sold Price
SoldPlatinum 5.71ct Black Opal Cabochon Ring, 5.75Platinum 900/Palladium ring 5.71ct oval cabochon Black Opal Filigree basket Size 5.75 9.8 gramsSee Sold Price
Sold16.05ct Black Opal Cabochon16.05ct Black Opal Cabochon - A beautiful 16.05 carat (approximate) black opal, showcasing brilliant flashes of red, blue, and green across a dark body tone. The opal's polished domed surface and highSee Sold Price
SoldVintage 14K Gold Large Australian Fire Opal Cabochon Ring Size 6.75USThis is a vintage 14K gold ladies ring featuring a large prong set Australian fire opal cabochon.See Sold Price
Sold16.05ct Black Opal Cabochon16.05ct Black Opal Cabochon - A beautiful 16.05 carat (approximate) black opal, showcasing brilliant flashes of red, blue, and green across a dark body tone. The opal's polished domed surface and highSee Sold Price
SoldLoose Opal Cabochon (32.8ct) - Actual WeightLoose Opal Cabochon (32.8ct) - Actual WeightMeasuring (29.7mm x18.1mm x 12.2mm) with striking pinfire in a honeycomb like pattern, striking orange, green, and yellow pinfire.See Sold Price
SoldAntique 14K gold opal and diamond ring. Central opal cabochon measuring approx. 6.5 x 9mm.Antique 14K gold opal and diamond ring. Central opal cabochon measuring approx. 6.5 x 9mm. Surrounded by a ring of 15 round cut diamonds measuring each approx. 1.7mm diameter. Marked 14K. Ring size 4.See Sold Price
SoldAn 18ct gold opal cabochon and amethyst hinged bangle,An 18ct gold opal cabochon and amethyst hinged bangle, with openwork reverse, inner diameter 5.7cm, 12.2gSee Sold Price
SoldGOLD BRUTALIST RING WITH BLUE OPAL CABOCHON, 14g9k yellow gold mid-century designed cocktail ring with a large oval blue opalescent opal set in a Brutalist style band, with makers mark. Size 7. L. of stone: 25mmSee Sold Price
Sold14K Yellow Gold and Opal Cabochon BraceletMarked 14 karat yellow gold bracelet with five cabochon white singlet opals. Will fit about 6.5" wrist. Marked on ring clasp (works), "14 Kt". Cabochon opals, with play-of-color mainly in green, orangSee Sold Price
SoldAN OPAL AND DIAMOND THREE STONE RING in 18ct yellow gold, set with an opal cabochon between two oldAN OPAL AND DIAMOND THREE STONE RING in 18ct yellow gold, set with an opal cabochon between two old cut diamonds, stamped 18, size G / 3, 2.3g.See Sold Price
SoldLarge Opal Cabochon 14k Gold Ring Size 7. Includes aLarge Opal Cabochon 14k Gold Ring Size 7. Includes a large opal cabochon doublet measuring 18.5x15x5mm in a naturalistic vine setting. It weighs 14.9 grams and is marked 14K. Vintage estate jewelry.See Sold Price
Sold(2) ESTATE 14KT YELLOW GOLD, TANZANITE & WHITE PRECIOUS OPAL CABOCHON RINGS(lot of 2) Estate 14kt yellow gold and tanzanite rings, each hallmarked 14K, including: (1) central oval white precious opal, framed by (twelve) round tanzanite gemstones, marked Thailand with PD in hSee Sold Price
Sold14K Gold Opal Cabochon and Ruby Ring14K yellow gold with cushion shaped opal cabochon surrounded by 2mm rubies, ring size 8, 4.77 grams.See Sold Price
SoldESTATE 14K YELLOW GOLD OPAL CABOCHON RINGEstate 14kt yellow gold ring, set with twelve opal cabochons, lacking (one) opal, hallmarked, approx size 5, 7.4 grams (inclusive of all materials) **Provenance: A fine Indian Rocks Beach, Florida estSee Sold Price
