Unusual 18 kt gold brooch with opals

18 kt gold unusual brooch/pendant with sapphires and diamonds, YG 750/000, jasper plate (partly polished, partly rough), 14 round-bevelled blue sapphires, 2 blue sapphire-marquises, 4 yellow oval beve

Plique du jour articulated diamond, opal & enamel brooch in 18kt gold setting. Flexible tail. 2" X 2.75". Total weight 21.1 grams. See photos for condition. In house shipping continental U.S. $20 plus

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

18 kt gold pendant with brilliant and fire opal , YG 750/000, unusual form, fire opal triangle approx. 1.80 ct, brilliant approx. 0.05 ct Wesselton/vs-si, l. approx. 4.6 cm, approx. 6 .75 g, manufactu

Antique black opal cameo set atop onyx set in platinum and 18kt white gold with diamonds. Width 1 3/8;; total weight 7.5 grams Condition: Two tight fissures in onyx at 12 and 6, perhaps intentional

and pendant, carved turquoise head, nine marquise shaped opal cabochons, 26 single cut diamonds estimated total weight 0.60ct., tested 18kt. yellow gold, 2 x 1-1/2 in., 25.5 grams Provenance: A Privat

18 kt gold brooch 'crab' with sapphires and brilliants , WG 750/000, orange coloured sapphires total approx. 2.0 ct, 2 brilliants as eyes total approx. 0.05 ct Wesselton/if, approx. 6.2 g

18 kt gold brooch 'teddybaer' with chalcedony and brilliants , YG 750/000, vividly implementation with blue chalcedony-belly and 2 small diamonds als eyes, total approx. 10.6,h. approx. 3 cm

18 kt gold brooch with emeralds and brilliants , YG 750/000, leaf shaped, surface partly struct., 6 round bevelled emeralds total approx. 0.42 ct, 8 brilliants total approx. 0.40 ct Top Wesselton-Wess

18 kt gold brooch 'blossom' with diamonds , YG/WG 750/000, little diamonds, struct., cord rand decor, approx. 3.5 x 3 cm

An 18 kt Yellow Gold Brooch. Textured gold brooch in leaf-like design with white gold accents. Worn marking verso includes "750". Minor wear. 2 3/8" long. Approximately 8.2 grams. ESTIMATE $200-300

18 kt gold opal diamond bracelet , approx. 1900, YG 750/000, opal with blue green play ofcolours, surrounded by 16 diamond roses total approx. 0.12 ct, l. approx. 19 cm, case lock with safety chain, a

Includes an 18kt gold pineapple form brooch inlaid with diamond accents - stamped, "K18" verso; an 18kt gold floral form brooch with enamel decoration and diamond accents - stamped, "750" verso; and a

Signed Tiffany & Co. 18kt yellow gold foliate form brooch. Stamped, "Tiffany & Co 18kt" with an additional unidentified stamp. Total approx. weight is 26.3 dwt (gross). From a Larchm

Large 18kt gold Tiffany & Co. interlocking woven design brooch. The brooch measures approx. 44.90 x 47.90mm (1.77" x 1.90") has a hallmark "Tiffany & Co. 18K" on the back, a locking catch, a high poli

SOUTH AMERICAN, UNMARKED 18KT GOLD BROOCH:Bird form, 35.5 grams. Primitive style. Measures H.2" x 2 3/8". Tests 18kt.

Tiffany and Co 18kt gold brooch with 9 small sapphires. This vintage piece is 9.1 grams made in Italy. Comes with original box. Brooch is in excellent condition. Gemstones not tested for color or clar

Includes a modernist Blits 18kt yellow gold brooch - stamped verso, "750, Blits, 18kt"; and a Victorian 14kt gold pansy brooch with enamel decoration and central Old Mine cut diamond accent

18KT GOLD BROOCH, RUBIES, SAPPHIRES, TW. 14.9 GR. H 1.25'' W 2'':Made in Italy. Flower form having rubies and blue sapphires. For a high resolution photo CLICK HER

Antique Georgian 18KT Gold Brooch, Mediterranean Coral, Beautiful Ornate Brooch, 18KT Gold with Coral, Dimensions: 3.25" L x 5/8" W, Weight: 10.8 Grams

Large Modernist Sterling 14kt & 18kt Gold Brooch. Measures 2.75 inches x 2.25 inches.

Pendant, makers signature, MM, 925, & 18kt, 2" square, 15.4 grams total weight