Diamond and Opal Brooch / Pendant

METAL: 18k Gold. MEASUREMENTS: Brooch is 36mm x 36mm. GEMSTONES: Opals, Diamonds approx. 2.20ctw (one stone is missing). MARKED: Casbah, 18k. WEIGHT: 10.4 grams.Gemstones have not been graded for colo

14K Yellow Gold Diamond Opal Brooch Pendant. Size 2" weight 17.8 grams

Large oval 14K yellow gold brooch with hidden bail on back to convert to a pendant, set with large white opal cabochon and the foliate frame set with brilliant cut white diamonds, height 2", width 1.7

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

Metal : 14k 10k Gold/ Silver Designer : Not Signed Gemstone : Old mine cut diamonds approx. 0.90ctw, Opal 11mm x 6mm. Measurements : Necklace is 14.5" long, Pendant is 28mm x 16mm. Marked:

1970's Victorian Style Australian Opal Diamond Brooch/Pendant 2.00Cts

AN EARLY 20TH CENTURY OPAL AND DIAMOND BROOCH / PENDANT a cluster of heart-cut opals within an openwork frame of further opals and eight-cut diamonds. Estimated total diamond weight 0.40ct, 4cm by 2.5

the brooch set with 11 oval opals (center opal with moderate chip), and a (9x7mm) teardrop opal dangle, accented with 10 round diamonds (0.28ctw), and seed pearls, in yellow gold, stamped 14K (pin ste

With central opal having an alternating diamond and opal pattern amid gold filigree. 1.5" diameter. Approx 8.1 DWT. Gold tested.

METAL: 14K gold. GEMSTONES: diamonds, opal, pearls. MEASUREMENTS: pendant/brooch is 45mm long x 21mm at widest point. MARKED: 14K. WEIGHT: 8.6 grams.Gemstones have not been graded for color and clarit

set with 17 oval opals (center opal 7x6mm), accented with 24 round diamonds approx. 1.00 carats, in yellow gold stamped 14K, 1.6x1.5in., 12.5gms.

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:

American, mid-20th century. Stamped "14K" yellow gold pendant/brooch, also stamped "SB" (Berman & Co., Sydney). Designed with open scroll work and center fleur de lis motif, set with eight round opals

Unusual 18k Gold, Opal & Diamond Pendant/Brooch, Signed. Art Nouveau Style. Chip on chin, mostly visible on reverse. Dimensions- Total Pin L- 2 1/2". Total Weight- 17.5.g. 11.3dwt.

JEWELRY: Tested 14K yellow gold opal and diamond brooch with pendant option, measuring 1.5 x 1.25 inches in diameter, centering the brooch is an oval cabochon white opal measuring 23 x 13 mm., approxi

Title: Art Nouveau Opal Diamond Enamel Pendant—Brooch 14k Additional Information: Vintage from the 1910s Materials: Gold Gemstone: Opal Style: Art nouveau Description Ombré enamel surrounds

Set with 3 round opals each approx. 4.5mm, and a center (5pt) diamond over an onyx stone approx. 15x11mm, in yellow gold stamped 14K, 2.5x2.25in., 21.2gms. Opening Bid: $500/

Having diamonds mounted on the wings and on the body of the fly with 2 opals and 2 rubies, has a 14K loop so it can be a pendant, very good condition, 1" x 0.75"

A White Gold, Opal and Diamond Pendant/Brooch, containing one oval shape cabochon cut opal measuring approximately 25.20 x 16.70 mm and 29 round brilliant cut diamonds weighing approximately 2.85 cara

14 kt. Yellow Gold, Opal and Diamond Pendant/Brooch Necklace , central oval cabochon opal, wt. approx. 7.00 cts.; pierced filigree surround set with 38 round cut diamonds, total wt. approx. 2.00 cts.;

Antique 14K Gold Pendant/Brooch with Large Opal and Diamonds. Condition: Excellent. Dimensions: 1.6" x 1.4". Weight: 9dwt / 14g. Provenance: From a Long Island, NY Home. Please note the absence of a C

14k Yellow Gold Weight 15.52g  Multi Gem Sapphire, Garnet, Citrine, tourmaline, opal, emerald, Amethyst, Diamond Basket Brooch Pendant Measurements 1.80”x1.70”

OPAL CRESCENT BROOCH/PENDANT, CIRCA 1890 Set with graduated opal cabochons with rose-cut diamond accents, length 3.2cm For further information on this lot please visit Bonhams.com

Opal Brooch or Pendant. 14kt yellow gold oval form pendant or brooch with central carved oval form colored gem, most surely pink Tourmaline, a surround of round oval cabochons, an lobed openwork surro