Opal Unmounted Cabochon, 1.8g

Opal Unmounted Cabochon, 1.8g | 13mm X 19mm. Good play-of-color. Strong pink, some green. Provenance: From the Estate of Prominent Collector, Leon Zielinski, Macomb County, MI

AN UNMOUNTED OPAL cabochon cut, 7.33 carats.

NO RESERVE - AN UNMOUNTED BOULDER OPAL cabochon cut, 12.65 carats, 2.3cm, 2.6g. 

Unmounted opal the unmounted oval crystal opal cabochon, exhibits a light gray body color, both broad and block patterns of blue-green to orange-red play-of-colors, measuring approximately 11.19 x 9.4

A group of unmounted opals comprising 19 round and oval cabochons and one rectangular faceted opal, weighing from approximately 0.77 to 16.49 carats, all crazed and/or cracked; estimated total gem wei

Unmounted opal featuring one irregular form opal cabochon displaying blue, green and orange play of color, measuring approximately 20.60 x 20.90 x 7.17 mm and weighs 20.41 cts.

Unmounted opal the unmounted irregular tear drop shaped opal flat cabochon, measures approximately 19.80 x 13.30 x 2.93 mm, weighs 4.56 cts., displays broad flashes of green with some blue and orange

Unmounted opalfeaturing one oval opal cabochon displaying flashes of blue, green and orange-red play of color, measuring approximately 24.64 x 14.18 x 4.57 mm and weighs 9.28 cts.

A group of unmounted opalcomprising of 28 oval and round opal and fire opal cabochons, weighing from approximately 0.66 - 7.58 carats; weighing in total approximately: 59.95 carats

FIVE UNMOUNTED ROUND AND OVAL CABOCHON OPALS

Unmounted black opalfeaturing one round black opal cabochon displaying broad flashes of dark blue to red play of color, measuring approximately 12.50 x 12.56 x 6.98 mm and weighs 7.03 cts. Note: Opal

Collection of unmounted stones, synthetic stones and imitation stones Including 2) opal cabochons; 2) black onyx cabochons; 2) rhodonite cabochons; 3) calcite cabochons; 2) jade cabochons; 3) imitatio

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

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

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

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

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,

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

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

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

This is a vintage 14K gold ladies ring featuring a large prong set Australian fire opal cabochon.

A MIXED LOT OF UNMOUNTED CABOCHON MOONSTONES cabochon cut, all totalling 261.00 carats.

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

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