18kt. Tanzanite & Diamond Brooch

Jewelry. 18kt Diamond brooch. 10 individual diamonds each approx .10ct, 3mm, 12 dwt

centering on one bar set set rectangular brilliant cut tanzanite (17.65 x 10.00 x 6.50mm) weighing approximately 11.53 carats and accented to each side with four channel set round brilliant cut diamon

18Kt gold and diamond spray brooch, comprising 68 round diamonds weighing approximately 4.1 carats, G-H color, VS-SI clarity. Brooch measures 56.63 x 42 mm and weighs a total of 13 dwt.

Boucheron Paris signed and numbered (#15395) brooch, with French Hallmarks. Measures 2" in diameter and total weight is 24.2 grams. Condition: good, no apparent issues. Examine all photos closely. Con

Estate Art Moderne style 18kt yellow and white gold pendant brooch, set with old cut rubies, approx 1.76cttw, single cut diamonds, approx 0.86cttw, average color: H-I, average clarity: SI-I, approx 2.

maple leaf design, 10 single cut diamonds, stamped "18K" and with maker's mark, yellow gold, 2 x 1-1/2 in., 13.4 gramsProvenance: Private Collection, Virginia

FINE TIFFANY & CO. PALOMA PICASSO 18KT/PLATINUM/DIAMOND BROOCH, C. 1980/90, WEIGHT 12.7 GRAMS

Signed David Webb 18kt yellow gold and diamond brooch. Central pear-shaped diamond measures approx. 4.0mm x 5.0mm or approx. 0.35cttw. Stamped, "© WEBB ® 18K". Total approx. weight

This delicate platinum topped pin has an approx. .75 ct. Old European cut diamond dangling in the circular center that is flanked by two smaller Old European cut diamonds, approx. .55 ct. tw., accente

Ring. 18kt white gold ring displaying a central prong-set oval faceted Tanzanite measuring approx. 4.05cts flanked by fancy brilliant cut shield form diamonds. Shield form diamonds measure approx. 4.5

Estate Herbert Rosenthal 18kt yellow gold bee pin, comprising: (19) round cut diamonds, approx 2.00cttw, average clarity: VS, average color: G-H; (2) ruby-set eyes; bearing HR hallmark, approx 1"h, 1.

18KT GOLD & DIAMOND CRESCENT BROOCH, W 1/2", L 2.25", T.W. 6 GR An 18kt gold and diamond crescent form brooch. Offers twenty one diamonds, sizes ranging from 2mm to 5mm. Having a dedication ("M.E. KOT

Signed Gubelin 18kt yellow gold foliate form brooch with 18kt white gold "stem" inlaid with a graduated band of (5) single cut diamonds. Stamped, "750 356404" with a pictorial hall

Italian 18kt yellow gold foliate form brooch accented by (8) clusters of prong-set round brilliant cut diamonds. Diamonds measure approx. 2.5mm each. Total of (24) round brilliant cut diamonds. Stampe

Italian 18kt yellow gold woven openwork brooch set with 30 round brilliant cut diamonds. Each diamond weighs approx. 0.10 cts each; total approx. diamond weight is 3 cttw. Stamped, "Italy, K18", with

Estate 18kt yellow gold (tested) brooch, thirty-eight square-cut, channel-set red stones (synthetic), twenty-seven diamonds in platinum-topped setting, two bezel-set diamond and pearl drops, approx 1

Ladies 18kt white and yellow gold diamond brooch, having (19) single cut diamonds, approx. 0.08-0.05ct each (approx. 1.25cttw), presented in a crescent shape mount, accented by the sculptured yellow g

Italian 18kt bi-color gold ribbon form brooch with edging terminating in a shaped edge accented by single cut diamond accents. Stamped, "Italy COM 18K". Total approx. weight is 8.6 dwt (gros

Ring. Signed CH.H 18kt yellow gold ring displaying a central oval faceted Tanzanite flanked by (12) full round cut diamonds in a stepped design. Stamped to the interior of the band, "18k CH.H&quo

flower basket design, 20 round and nine marquise cut rubies, approx. 25 single cut diamonds, stamped “18K”, yellow gold, 1 x ? in., 4.6 grams Provenance: A Virginia Collector

Ladies 18kt yellow gold estate circle pin, set with (1) round brilliant cut diamond, approx 5.57mm x 2.15mm, approx 0.17ct, class 2 cut, color: G-H, clarity: VS-2, pin-back with safety catch, 2.5 gram

A Unique 18kt Art Deco Diamond Brooch design. This beautiful 18kt Brooch has a total weight of approx 0f 5.00tcw in Round Brilliant Diamonds. The diamonds are VS2 clarity. Total weight is 32.30gr. The

Diamond Brooch. 18kt yellow gold multi-tier brooch displaying a large oval turquoise cabochon with a surround of (24) round brilliant cut diamonds, (14) pear-shaped turquoise cabochons, and (18) pear-

Stamped 18kt. yellow gold Tanzanite & Diamond Enhancer. Triangular cut Tanzanite measures 12.50mm x 12.00mm x 7.40mm, formula 7.84 carats. Tanzanite is purple blue in hue, medium in tone and strong in