Gold, Opal, and Diamond Brooch, Jewelsmith

Gold, Opal, and Diamond Brooch, Jewelsmithin a geometric motif with an oval cabochon opal (10.94 x 19.18 mm) surmount bezel set above a hand-formed undulating gold element and with a bezel set diamond

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

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

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.

Feature oval doublets and stamped "brooks". Ring is enhanced by (2) round diamonds, approx..22ctw. Pin: 2.5" x 1.25" with locking c-clasp flashes red, blue, green and yellow. Ring size 9.25 flashes bl

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

Silver & Gold Weight 6.4g Diamond Approx. 0.75ct Bug Brooch Measurements 1.2”x1.5”

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

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

Silver & Gold Weight 6.3gr  Diamond Approx. 0.75ct Bug Brooch Measurements 1.2”x1.2”

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:

Silver & Gold Weight 6.4g Diamond Approx. 0.75ct Bug Brooch Measurements 1.2”x1.5”

Silver & Gold Weight 6.4g Diamond Approx. 0.75ct Bug Brooch Measurements 1.2”x1.5”

Silver & Gold Weight 7.27g Diamond Approx. 0.75ct Bug Brooch Measurements 1.2”x1.5”

Antique 14k Gold Opal, Ruby, Diamond Brooch. Antique brooch with a large, lovely opal stone, 16x12mm. With 6 rubies and 12 old cut diamonds. 2.6x1.6cm. 4.16gr.

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.

Features (1) 36.2 x 26 x 10.3mm oval Opal with green fire on blue grey with points of orange, (8) oval Rubies, approx. 7.0ctw and (109) 1.5mm round Diamond accents, approx. 1.60ctw. Opal has small abr

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.

2 Silver and Gold Weight 4.5g Opal Amethyst Diamond Bug Brooch Measurements 0.62”x0.92” 

10k white and yellow gold pin brooch, set with a central round shaped cabochon opal, approximate total weight of opal 1.57ct, flanked by four old European cut diamonds, approximate total weight of dia

An 18ct gold opal and diamond novelty brooch, and an 18ct gold gem-set cluster ring. The brooch designed as a pair of sunglasses with oval opal cabochon lenses and brilliant-cut diamond bridge, the ri

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