Loose Stones & Beads

Opal Cabochon First Image

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Opal Cabochon First Image

Opal Cabochon

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1.81 Ct Natural Multicolor Top Fire Opal OVal Cab (1 of 2)

1.81 Ct Natural Multicolor Top Fire Opal OVal Cab

Feb 18, 2026

1.60 Ct Natural Multicolor Welo Opal Top Fire Oval Cab (1 of 2)

1.60 Ct Natural Multicolor Welo Opal Top Fire Oval Cab

19 hrs Left

6.25CT NATURAL WHITE MULTI COLORED OPAL CABOCHON (1 of 2)

6.25CT NATURAL WHITE MULTI COLORED OPAL CABOCHON

Mar 01, 2026

1.57ct AFRICAN CLEAR OPAL OVAL CABOCHON CUT NATURAL (1 of 2)

1.57ct AFRICAN CLEAR OPAL OVAL CABOCHON CUT NATURAL

Mar 01, 2026

1.57ct AFRICAN CLEAR OPAL OVAL CABOCHON CUT NATURAL RARE BEAUTIFUL COLOR PLAY (1 of 2)

1.57ct AFRICAN CLEAR OPAL OVAL CABOCHON CUT NATURAL RARE BEAUTIFUL COLOR PLAY

Mar 19, 2026

1.91 Ct Natural Multicolor Welo Opal Top Fire Oval Cab (1 of 2)

1.91 Ct Natural Multicolor Welo Opal Top Fire Oval Cab

19 hrs Left

6.25CT NATURAL UNTREATED WHITE MULTI COLORED OPAL CABOCHON FREEFORM (1 of 2)

6.25CT NATURAL UNTREATED WHITE MULTI COLORED OPAL CABOCHON FREEFORM

Feb 12, 2026

2.80 Ct Natural Multicolor Welo Opal Top Fire Oval Cab (1 of 2)

2.80 Ct Natural Multicolor Welo Opal Top Fire Oval Cab

19 hrs Left

1.09 Ct Natural Multicolor Welo Opal Top Fire Oval Cab (1 of 2)

1.09 Ct Natural Multicolor Welo Opal Top Fire Oval Cab

19 hrs Left

1.57ct AFRICAN CLEAR OPAL OVAL CABOCHON CUT NATURAL RARE BEAUTIFUL COLOR PLAY (1 of 2)

1.57ct AFRICAN CLEAR OPAL OVAL CABOCHON CUT NATURAL RARE BEAUTIFUL COLOR PLAY

Feb 12, 2026

6.25CT NATURAL UNTREATED WHITE MULTI COLORED OPAL CABOCHON FREEFORM (1 of 2)

6.25CT NATURAL UNTREATED WHITE MULTI COLORED OPAL CABOCHON FREEFORM

Mar 19, 2026

1.33ct EXCELLENT OVAL CABOCHON CUT NATURAL UNTREATED OPAL (1 of 2)

1.33ct EXCELLENT OVAL CABOCHON CUT NATURAL UNTREATED OPAL

Feb 12, 2026

Natural Multi-Color Opal 2.27 Ct. Oval Cabochon Shape 10.7 x 7.5 Mm. Gemstone Unheated (1 of 3)

Natural Multi-Color Opal 2.27 Ct. Oval Cabochon Shape 10.7 x 7.5 Mm. Gemstone Unheated

Treasure of Gems & Jewelry

6 days Left

1.47ct EXCELLENT OVAL CABOCHON CUT NATURAL UNTREATED OPAL (1 of 2)

1.47ct EXCELLENT OVAL CABOCHON CUT NATURAL UNTREATED OPAL

Feb 12, 2026

1.68 Ct Natural Multicolor Welo Fire Opal Oval cut (1 of 3)

1.68 Ct Natural Multicolor Welo Fire Opal Oval cut

Feb 18, 2026

1.87 Ct Natural Multicolor Welo Opal Fire Oval Cab (1 of 2)

1.87 Ct Natural Multicolor Welo Opal Fire Oval Cab

19 hrs Left

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A Transparent Opal Cabochon Diamond Platinum Necklace (1 of 9)

A Transparent Opal Cabochon Diamond Platinum Necklace A 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 Neckla

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Black Opal Cabochon And 14k Gold Ring (1 of 5)

Black Opal Cabochon And 14k Gold Ring 14k 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 Cas

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14k Yellow Gold 25 Oval Opal Cabochon Necklace (1 of 1)

14k Yellow Gold 25 Oval Opal Cabochon Necklace Stunning 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" length

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Pair of White Gold, Opal, Cabochon Sapphire and White Sapphire Bombé Earclips (1 of 2)

Pair of White Gold, Opal, Cabochon Sapphire and White Sapphire Bombé Earclips Pair 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. C

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An early 20th century gold, opal cabochon and old-cut (1 of 2)

An early 20th century gold, opal cabochon and old-cut An 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,

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18kt Yellow Gold Ring with White Opal Cabochon Center (1 of 5)

18kt Yellow Gold Ring with White Opal Cabochon Center 18kt 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 adorn

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A platinum opal and diamond ring. The opal cabochon, (1 of 3)

A 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 1

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BLACK OPAL CABOCHON 14K YELLOW GOLD PENDANT (1 of 4)

BLACK OPAL CABOCHON 14K YELLOW GOLD PENDANT Oval 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 18.01

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4.96 Carat Fire Opal Cabochon Diamond 18k Gold Ring (1 of 5)

4.96 Carat Fire Opal Cabochon Diamond 18k Gold Ring METAL: 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 g

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GIA 18ct Natural Untreated Black Opal Cabochon Loose Unset Fine Gemstone (1 of 5)

GIA 18ct Natural Untreated Black Opal Cabochon Loose Unset Fine Gemstone Described 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.

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Platinum 5.71ct Black Opal Cabochon Ring, 5.75 (1 of 4)

Platinum 5.71ct Black Opal Cabochon Ring, 5.75 Platinum 900/Palladium ring 5.71ct oval cabochon Black Opal Filigree basket Size 5.75 9.8 grams

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16.05ct Black Opal Cabochon (1 of 5)

16.05ct Black Opal Cabochon 16.05ct 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 high

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Vintage 14K Gold Large Australian Fire Opal Cabochon Ring Size 6.75US (1 of 7)

Vintage 14K Gold Large Australian Fire Opal Cabochon Ring Size 6.75US This is a vintage 14K gold ladies ring featuring a large prong set Australian fire opal cabochon.

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16.05ct Black Opal Cabochon (1 of 5)

16.05ct Black Opal Cabochon 16.05ct 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 high

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Loose Opal Cabochon (32.8ct) - Actual Weight (1 of 6)

Loose Opal Cabochon (32.8ct) - Actual Weight Loose 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.

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Antique 14K gold opal and diamond ring. Central opal cabochon measuring approx. 6.5 x 9mm. (1 of 5)

Antique 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.

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An 18ct gold opal cabochon and amethyst hinged bangle, (1 of 3)

An 18ct gold opal cabochon and amethyst hinged bangle,An 18ct gold opal cabochon and amethyst hinged bangle, with openwork reverse, inner diameter 5.7cm, 12.2g

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GOLD BRUTALIST RING WITH BLUE OPAL CABOCHON, 14g (1 of 4)

GOLD BRUTALIST RING WITH BLUE OPAL CABOCHON, 14g 9k 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: 25mm

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14K Yellow Gold and Opal Cabochon Bracelet (1 of 4)

14K Yellow Gold and Opal Cabochon Bracelet Marked 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, orang

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AN OPAL AND DIAMOND THREE STONE RING in 18ct yellow gold, set with an opal cabochon between two old (1 of 2)

AN OPAL AND DIAMOND THREE STONE RING in 18ct yellow gold, set with an opal cabochon between two old AN 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.

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Large Opal Cabochon 14k Gold Ring Size 7. Includes a (1 of 4)

Large Opal Cabochon 14k Gold Ring Size 7. Includes a Large 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.

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(2) ESTATE 14KT YELLOW GOLD, TANZANITE & WHITE PRECIOUS OPAL CABOCHON RINGS (1 of 8)

(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 h

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14K Gold Opal Cabochon and Ruby Ring (1 of 2)

14K Gold Opal Cabochon and Ruby Ring 14K yellow gold with cushion shaped opal cabochon surrounded by 2mm rubies, ring size 8, 4.77 grams.

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ESTATE 14K YELLOW GOLD OPAL CABOCHON RING (1 of 4)

ESTATE 14K YELLOW GOLD OPAL CABOCHON RING Estate 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 est

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