AN ANTIQUE BLACK OPAL AND DIAMOND PENDANT comprising a pear shaped frame of old cut diamonds

A BLACK OPAL AND DIAMOND PENDANT AND CHAIN in 18ct yellow gold, the pendant set with a pear shaped cabochon black opal in a border of round brilliant cut diamonds, accented by a further round brillian

AN ANTIQUE CHRYSOPRASE, DIAMOND AND PEARL HEART PENDANT in yellow gold, comprising a heart shaped cabochon chrysoprase in a border of pearls, suspended within a frame of rose cut diamonds, with a glas

FRENCH, ANTIQUE, YELLOW GOLD, DIAMOND, TURQUOISE AND ENAMEL EARRINGS Containing two round and two pear shaped cabochon turquoise, six old mine cut diamonds and black enamel detail. 3 inches long. Stam

Antique Art Nouveau 14kt Diamond & Opal Necklace Pendant. Set with two diamonds and a pear shaped doublette black opal. Measures 1.5 inches in length. Hallmarked. Black enamel detail.

A Victorian 10k yellow gold frame pendant with central oval shaped pietra dura floral scene, testing 10k. Together with an antique 10k gold wreath style brooch set with an old cut diamond,along with r

Crafted of 14k gold. Elegant drop design with pear shaped tanzanite gemstone surrounded by a halo of channel set round brilliant diamonds. Pendant is suspended from three round cabochon cut black opal

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

A PAIR OF CITRINE AND DIAMOND PENDANT EARRINGS, pear-cut citrines suspended within frames of old-cut diamonds, to old-cut diamond surmounts, with hook fittings. Estimated total diamond weight 3.00ct,

ANTIQUE DIAMOND CLUSTER RING, Set to the center with a pear shaped old cut diamond of approx. 1.41 ct. Surrounded by diamonds, totalling approx. 2.58 ct. in total. The shoulders of part openwork desig

AQUAMARINE AND DIAMOND PENDANT/NECKLACE AND EARRINGS SUITE The pear-shaped aquamarine beneath an old brilliant-cut diamond surmount, the earrings of matching design, lengths: pendant 2.3cm, earrings 1

Michael Christoff Fire Opal, Diamond, Gold Pendant-Necklace Stones: Pear-shaped fire opal weighing 3.95 carats; full-cut diamonds weighing a total of 1.38 carats. Metal: 14k yellow and rose gold Gross

ART NOUVEAU, PERIDOT, DIAMOND, PEARL AND ENAMEL PENDANT/NECKLACE Consisting of one pear shaped peridot, one old European cut diamond, five seed pearls and one pearl drop (origin not tested) in a folia

AN ANTIQUE DIAMOND PENDANT NECKLACE, 19TH CENTURY in yellow gold and silver, the pendant set with a rose cut diamond suspended within a pear shaped halo of further rose cut diamonds, with ribbon and b

Ladies fine antique estate ring in 14kt rose gold, black opal and diamond ring containing: (3) round brilliant cut diamonds, approx 0.12, average clarity: VS2, color: H; (1) Old European cut diamond,

Modern abstract 14k yellow gold diamond and citrine pendant / brooch, comprising a large pear shaped citrine (approx. 14cts) and and two rows of round brilliant cut diamonds (approx..75 ctw). No appar

A FINE ART DECO BLACK OPAL AND DIAMOND RING in white gold, set with a pear shaped cabochon opal accented by round cut diamonds, no assay marks, size I / 4.5, 3.5g.

AN ANTIQUE DIAMOND LOCKET PENDANT in yellow gold, in the Etruscan revival manner, the teardrop shaped body set with old and rose cut diamonds in foliage design, with a glass locket panel on the revers

Estate 14kt white gold necklace, pear-shaped pendant pave-set with diamonds, center old mine-cut diamond, approx 5.5 mm, approx 0.70cts, clarity: I2, framed by eleven round old European cut diamonds,

The cut down collet silver top is set with a larger old cut pear shaped diamond, approx. 1.05 ct. I color-VVS clarity, surrounded by approx. 0.90 ct. tw. old mine cut diamonds, it has an intricate car

Black Opal, Diamond, Platinum Ring, Ayres The ring features a pear-shaped black opal caboc

Teardrop opals (14.3 x 9mm) surrounded by round cut diamonds form the dangles on these vintage screwback earrings. A single prong set diamond link attaches the dangle to a pear shaped frame of additio

Antique Diamond Set Pendant with a White Gold Filled Chainthe shaped openwork pendant set with two old European cut diamonds weighing approximately .52 carat (G-H color, SI1-I2 clarity) and suspended

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

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)