Large White Opal, Round Brilliant Cut Diamond, Blue

Two gem-set, diamond, and white gold rings One set with a square mixed-cut blue topaz and round brilliant-cut diamonds; the other set with a cabochon opal and round brilliant-cut diamonds 14k white go

Ladies' 14 karat white gold ring set with a large Blue Topaz stone, accented by a bezel set with round brilliant cut Diamonds. Ring size 5-1/2. Weighs approx. 3.6 dwt (5.6 grams). Shipping to be $20 +

14k white gold vintage Mid Century Modern Retro style ring with a large cabochon light blue star sapphire center. Bezel set and flanked by three round brilliant cut diamonds on each side. Unmarked, ac

Large 4ct blue Spinel center stone with approx. 1ctw of small round brilliant cut diamonds. Size 3. Total weight: 7.0 grams. From a Miami Beach estate. Shipping to be $20 plus insurance.

18K white gold colored gemstone diamond drop post earrings, set with amethyst, citrine, blue topaz, peridot stones, six round brilliant-cut diamonds; approx: 0.10 ctw. terminating with two large pear

Ladies' 18kt White Gold cocktail ring. Set with large oval cut Blue Topaz stone, weighing approx. 8.5cts. twt. and measuring 15mm x 12mm. Encircled with approx. .30cts. of round brilliant cut Diamonds

Set of 18k yellow gold diamond and opal earrings and ring including:18k yellow gold opal and diamond ring; with nine white-crystal oval cabochon cut opals and 20 round brilliant diamonds. One large ov

Vintage Large and Magnificent Oval Cabochon Opal, Round Brilliant Cut Diamond and 18 Karat Yellow Gold Necklace. Opal measures 1-1/8" L, 13/16" W. Diamonds F-G color, VS1-VS2 clarity. Stamped 750. Mea

Vintage white gold ring with round brilliant cut diamond and 2 blue stone accents. Tests 14K. Approx. 0.25 ct. 2.5 grams total.

BLUE SAPPHIRE AND DIAMOND EARRINGS IN 14k White Gold, 1.5 Carat WHITE NATUAL ROUND BRILLIANT CUT DIAMONDS,2 carat NATURAL MARQUISE SHAPE BLUE SAPPHIRE. VERY GOOD QUALITY BLUE SAPPIRE 100% NATURAL BLUE

Ring.18kt yellow gold modernist cocktail ring with large oval opal with a surround of 7 round brilliant cut diamond accents. Stamped, "18k", with unidentified maker's mark of "D". Total approx. diamon

14k White Gold, 1 carat (approx) White Round Brilliant Cut Diamonds AND 2 Carat oval shape NATURAL Blue sapphire.

Diamond Ring 14k white gold, the band pave-set with round brilliant-cut white diamonds, accented by blue, yellow, green and purple treated diamonds, with an approximate total diamond weight of 1.00 ca

Vintage Chinese Finely Carved White Opal Dragon Figure on 14 Karat Yellow Gold Base Accented with Round Brilliant Cut Diamond and Emeralds. Opal with nice play of multi-color, measures 4-1/8" L, 1-1/8

DESCRIPTION: A Platinum convertible Brooch/pendant centered by a Large White Opal weighing approx. 20.6cts, encompassed by a series of Round cut Diamonds the top tier diamonds weighing approx. 0.25cts

METAL: 18K white gold GEMSTONE(S): opal approx. 9.45 carats; round brilliant-cut diamonds approx. 0.80 carats total, most I-J/SI-I1; onyx MEASUREMENTS: necklace length 18-5/8 inches, pendant 2 x 7/8 i

Carved Opal, Round Brilliant Cut Diamond and 14 Karat Yellow Gold Pendant / Brooch. Opal with lavender, blue and green color. Stamped 14K 585. Measures 2-7/8" H, 1-3/4" W. Condition: Very good vintage

Ladies' vintage 18 karat yellow gold Casbah cocktail ring, set to the center with large marquise cut opal stone, encircled by approx. seventeen round brilliant cut diamonds and seventeen round opal ac

Featuring a white opal weighing approximately 1.60 carats; accented by round brilliant-cut diamonds set around the perimeter as well as the bottom of the shank, weighing a total of approximately 1.25

Created in brightly polished 14KT white gold, this ring features round brilliant cut fancy blue diamonds that are pave set in a black antiqued pear shaped setting, surrounded by single cut white diamo

Ladies 14kt white gold blue and white diamond ring featuring prong set round brilliant cut blue diamonds weighing approx. 0.42ct.. Accented with prong set round diamonds weighing approx. 0.42ct., Clar

Interesting! Brutalism style. Ladies 12k white gold ring set with 3 beautiful cabochon white opals with nice plays of green color and 10 round brilliant cut diamonds set in offset stacked square setti

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

100% natural blue sapphire cushion cut with natural white diamonds round brilliant cut diamond set in 14k yellow gold