Yellow metal opal and diamond brooch, the circular open

Ruby diamond opal brooch; steel and 18K yellow gold brooch with worn hallmarks; Test: white metal not gold/18K yellow gold, one oval 7x5mm opal is bezel set with small 3.5mm pearl accent set into yell

ANTIQUE OPAL, DIAMOND AND ENAMEL BROOCH, 19TH CENTURY in high carat yellow gold, in open heart design set with a moon cabochon opal, old and rose cut diamonds totalling approximately 10.00 carats and

METAL: 18K yellow gold and platinum GEMSTONE(S): round faceted emeralds approx. 0.42 carat total; circular brilliant and single cut diamonds approx. 0.55 carat total MEASUREMENTS: 1-1/4 x 1-1/4 inches

Diamond and sapphire flower brooch The center set with circular-cut diamonds and sapphires, mounted en tremblant, with articulated petals on stem with leaves 18k yellow gold With French metal and make

Multi-Stone, Yellow Gold, Gold-Filled, Metal Brooch. Designed as a vase of flowers comprised of several stickpins, featuring diamond, carved coral cameo, opal, amethyst, glass, synthetic sapphire, set

18kt yellow gold floral form brooch with filigree leaves and petals. Flower is comprised of a central bezel set circular opal, (4) full cut diamonds, and (1) Old Mine cut diamond. Opal measures approx

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

Designed as an open-winged butterfly with round-faceted or cabochon opals, rubies, sapphires, emeralds and RBC diamonds, .60 ct. TW. Mid 20th c. Stamped 14k. 1 1/4" x 2". 10.7 dwt. Provenance: From th

AN ANTIQUE BELLE EPOQUE DIAMOND BROOCH the circular open framework body with foliate and ribbon motifs, set with old and rose cut diamonds, no assay marks, 4.4cm, 17.5g.

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

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.

Vintage Brutalist 14k yellow and white gold, diamond and opal pin. Apparently unmarked, tested for fineness. Approx. h.2.25", w. 1.125", total weight 12.6g. Ahlers & Ogletree, Inc. reserves the right

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

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

Estate 14kt textured yellow gold and diamond brooch, open knot form with central diamond, approx .70ct, clarity: SI2, color: H, approx 1"w, 7.6 grams (inclusive of all materials) Start Price: $250.00

A 19th century white chalcedony brooch set in unmarked yellow metal, together with a mid to late 19th century yellow metal circular brooch centred with an enamel and pearl star, 3 cm diameter, a 19t

Pin with approximately 26 white diamonds, 1-2 pts each, marked 14K, 1.25" diameter, 4 grams total weight, very good condition

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.;

Victorian oval yellow metal diamond set Etruscan style brooch

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

cluster brooch set with one oval cabochon cut White Opal, approximately 3.59 carats, enhanced with two pear shape cabochon cut White Opals, approximate total weight 1.09 carats, accented with 13 full

Ladies estate 14kt yellow gold diamond flower brooch featuring an open dogwood flower design measuring 34mm in diameter and accented with leaves. Mounted in the center is a prong set round diamond wei

A 14 Karat Yellow Gold, Opal, Diamond and Nephrite Flower Brooch, consisting of three carved opal flower sections, three carved nephrite jade leaves, and three round single cut diamonds, brooch measur

Antique Early 20th Century Yellow & White Gold, Diamond, & Opal Cameo Brooch. Circa 1900. A rare large hand carved opal cameo of Floral in a border of old mine cut diamonds. Approximately 1.65 carats.