An opal and diamond horseshoe brooch

An opal and diamond horseshoe brooch set throughout with opal cabochons and old round-cut diamonds, unmarked (Length: 3cm)

A FINE ANTIQUE NATURAL PEARL AND DIAMOND HORSESHOE BROOCH, LATE 19TH CENTURY in yellow gold and silver, designed to depict a trio of horseshoes all jewelled with old cut diamonds, the central one set

Signed Tiffany & Co 18K Gold & Diamonds Horseshoe Brooch Pin. There Are Approximately 26 Good Quality Diamonds w/ a Total Approximate Diamond Weight of 2.5 Carats. Condition: Excellent. Dimensions: H-

A LATE 19TH CENTURY NATURAL PEARL AND DIAMOND HORSESHOE BROOCH, a grey natural button pearl within old-cut diamond-set horseshoes. Estimated total diamond weight 5.50ct, 1.8cm by 4.5cm, 9.4 grams Acco

AN ANTIQUE SAPPHIRE AND DIAMOND HORSESHOE BROOCH in yellow gold and silver, set with graduating cushion cut sapphires and old cut diamonds, unmarked, 3.5cm, 7.6g.

AN ANTIQUE DIAMOND HORSESHOE BROOCH, 19TH CENTURY in yellow gold, the body set with a single row of graduated old European brilliant cut diamonds, the diamonds all totalling 5.0-6.0 carats, no assay m

This wonderful and romantic Victorian-era brooch shimmers with 12 colorful heart shaped opals and 44 sparkling old mine-cut diamonds, all of which are set in 14K gold. This distinctive and dreamy anti

Period c.1925 Composition Platinum & diamonds (approx 2ct) Dimensions 3 x 3.5 x 1 cm Weight 5.3 g Fine Platinum Diamond Horseshoe Brooch c.1925 Reserve: $1,600.00 Shipping: Domestic: Flat-rate of $38.

Antique Black Australian Opal on Matrix Diamond Brooch of 18K Gold Dimensions: 15.86 x15.35 x12.00 mm* Weight: 22.80 grams* * (estimate/approximately)

1970's Victorian Revival Australian Opal Diamond Brooch. Featuring an open frame floral motif centrally set with a oval cabochon cut "jelly" opal exhibiting a harlequin blue, green and red play of col

Many of the diamonds are missing from the brooch. Thirty old mine cut diamonds, V-S S-I Light Cape Color Ranging from 4.6mm-2.6mm, appx. 8.5 dwt.

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

American, early-mid 20th century. Horseshoe shaped brooch, 16-18K (tested with x-ray metal tester), set with 35 graduated old European cut diamonds, approx. 2.50cts. total weight. Measures approx. 1.5

ONLY MAGNIFICENT JEWELS Gorgeous 3D real-life Dolphins pin Diamonds: .20ct. Round, H-color Vs-2 & Si-1 clarity Natural Opals Gorgeous threads of blues, reds and greens. measurement of pin: 1.1 X .73 I

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

Ladies 18k Yellow Gold and Opal Ring, and an Opal, Diamond and 10k Yellow Gold Brooch. 7.7 g.t.w. Brooch: L: 1.25 in.

Marked 14k.

EDWARDIAN DIAMOND HORSESHOE BROOCH,Diamonds bright and lively, totalling approx. 0.45 ct.L. 4.5 cm.3.2 grams.

14K Opal & Diamond Brooch, 16 Opals and 4 Diamonds, 7.93dwt 2 1/2"x 1 1/4"

About 1 1/2" wide, WITH 12 fabulous opals and small brilliant diamond center stone, total weight 9 dwt 14 grams

Ladies fine 10k yellow gold, opal, and diamond brooch, weighing 25.7 grams. Unmarked but tested for 10k gold. Measures 51mm across. Condition: good, see images.

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

AN EARLY 20TH CENTURY SAPPHIRE, PEARL AND DIAMOND HORSESHOE BROOCH, a horseshoe set with graduated old-cut diamonds, to a knife-edge bar set with a pearl and round-cut sapphires, total estimated diamo

OPAL AND DIAMOND BROOCH, CIRCA 1890 The opal cabochon set within an open surround of old brilliant and single-cut diamonds, suspending an opal drop, diamonds approx. 070ct total, length 5.0cm