Antique Platinum, Opal and Diamond Pendant

DESCRIPTION: An antique black opal pendant necklace. Features a 16-18 Carat Opal, further completed with diamond set platinum bow in a 14kt yellow gold setting. Complete with a 14kt yellow gold box ch

DESCRIPTION: A Platinum convertible Brooch/pendant centered by a Large White Opal weighing approx. 20.6cts, encompassed by a series of Round cut Diamonds the top tier diamonds weighing approx. 0.25cts

A vintage platinum Victorian style pendant with an approximately 10mm x 5mm marquis center opal and two approximately 5mm round opals, complemented by old European cut diamonds weighing approximately

Art Deco Platinum Black Opal & Diamond Pendant. It features a drop design centrally set with a massive pear shaped black opal. It exhibits a harlequin peacock play-of-color and measures 31.00mm x 21.0

METAL: Platinum. MEASUREMENTS: Pendant is 58mm x 50mm. GEMSTONES: Synthetic sapphires (center stone is slightly abraded), Diamonds approx. 1.60ctw. TESTED: Plat. WEIGHT: 13.9 grams.Gemstones have not

ANTIQUE OPAL AND DIAMOND PENDANT, set with a larger cabochon cut opal to the center, flanked with diamonds, opals and suspending 3 opal and diamond drops. Diamonds totalling approx. 1.60 ct. L. 5.4 cm

Platinum, Opal and Diamond Pendant on Chain, center prong set cushion shape cabochon natural opal, wt. approx. 9.41 cts.; bezel with 16 prong set round brilliant cut diamonds, total wt. approx. 0.50 c

Necklace is 19 1/" long, pendant - 38mm in diameter. Set with old mine cut diamonds - approx. 2.00ctw. Tested plat. Weight - 14.8 grams.Gemstones have not been graded for color and clarity ,and t

A Platinum, Black Opal and Diamond Pendant, containing one oval cabochon cut black opal measuring approximately 29.00 x 21.00 x 8.84 mm and 52 round brilliant cut diamonds weighing approximately 5.00

TIFFANY & CO.: AN ANTIQUE GOLD, OPAL, AND DIAMOND PENDANT Set with old European-cut diamonds, approximate total weight 5.20 carats, and centering a later-added opal, with retractable pendant bail and

Antique Platinum Convertible Diamond Brooch / Pendantin an open and shaped design set with old European and old mine cut diamonds weighing between 4.0 and 5.0 total carats (I-J color, VS2-I1 clarity)

FINE ANTIQUE OPAL DIAMOND AND RUBY PENDANT, The vibrant opal with good play of color and reds, with rubies and bright and lively diamonds. L. 4 cm. 7.5 grams.

Metal : 14k Gold/ Silver Designer : Not Signed Gemstone : Opal 15.5 x 14.9mm, Diamonds approx. 1.00ctw Measurements : Pendant is 33mm x 24mm Marked: :tested 14k/silver Weight: 6 g

This is an antique 14K gold pendant necklace dating to the early 20th century. The pendant features a large prong set opal cabochon with vibrant green, blue, and red fire. Accented by three full cut d

This is an antique platinum cross necklace pendant studded with Old European and single cut diamonds. The diamonds are SI-VS clarity and GH in color. 2 1/8 x 1 3/8". It weighs a total of 10g. The diam

Ring size 6 1/4, ring top is 19mm x 13mm. Set with two 5.3mm opals and approx. 0.20ctw in diamonds. Marked: 18k plat. Weight - 5.8 grams.Gemstones have not been graded for color and clarity ,and teste

Double articulated lavalier Australian oval opal, approx. .50ct 19 mine cut diamonds, approx. .35ctw Length: 1 1/2" (including bail) Width: 1" Total weight: 2.5 grams Provenance: Former inve

Metal : 14k Gold Designer : Not Signed Gemstone : Diamonds approx. 0.60ctw, Opal (multiple small chips on stones) Measurements : Brooch is 35mm in diameter Marked: : 14k Weight:

Antique Platinum, Gold and Diamond Heart Pendant with Triple Strand Platinum and Cultured Pearl Chain Necklace Old European-cut diamonds ap. 5.90 cts., pearls ap. 4.7 to 2.2 mm., pendant c. 1905, pend

METAL: 18k Gold/ Platinum. MEASUREMENTS: Pendant is 92mm x 55mm. GEMSTONES: Resin cherubs, rubies, diamonds (one missing) . TESTED: 18k/ Plat. WEIGHT: 45.5 grams.Gemstones have not been graded for col

METAL: 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 c

Platinum lavalier with thirteen old European cut diamonds, 1.5" L, 1.9 DWT.

METAL: 18k Gold/ Platinum . GEMSTONES: Diamonds - rose cut and old euro stones. MEASUREMENTS: Pendant is 59mm x 35mm. TESTED: Plat/ 18k. WEIGHT: 5.8 grams.Gemstones have not been graded for color and

METAL: Platinum/ Gold. MEASUREMENTS: Case - 19mm in diameter x 21mm long. Case decorated with rose cut diamonds and enamel (discoloration on one side). Missing crown. MOVEMENT: Not running. WEIGHT: 17