Ring in 18kt white gold and tanzanite. Model with central tanzanite, original cut by Lozano

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

Ladies 18kt white gold tanzanite and diamond ring featuring a prong set oval cut tanzanite weighing approx. 3.89ct.. Mounted between two rows of prong set round brilliant cut diamonds weighing approx.

Ladies 18kt white gold tanzanite and diamond ring featuring a prong set cushion cut tanzanite weighing approx. 1.07ct.. Accented with a square halo of prong set round single cut diamonds weighing appr

Jewelry Suite. Comprised of an 18kt gold bracelet with applied bow containing a central oval cut tanzanite?, with matched ring. Stamped, "P. Piovan, 750" with the Italian national mark signifying this

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

This is a certified and appraised 18kt white gold tanzanite and diamond ring. The 3.67 carat violetish blue, pear-shaped tanzanite is surrounded by .41 carats of F-G, VS1-SI1 round, brilliant-cut diam

This is a certified and appraised 18kt white gold tanzanite and diamond ring. The 2.94 carat pear-shaped tanzanite is surrounded by .35 carats of round, brilliant-cut G-H, VS/SI diamonds. The ring is

Stone: Tanzanite Color: blue Carat Total Weight:5.8ct Main Stone size:11.5*9mm Shape: Oval Clarity: Transparent Cut:Brilliant weight:4.6gr Secondary Stone: Diamond Secondary Stone Weight:0.62Carat. Co

An extremely fine ring that can be worn by a man or woman featuring a large oval shape natural blue tanzanite gemstone and 16 invisible set princess cut diamonds in the highest quality. The ring was c

This is a certified 18kt white gold marquise tanzanite and diamond ring. The 3.99 carat, marquise-shaped violetish blue tanzanite is surrounded by .56 carats round, brilliant-cut F-G, VS2-SI1 diamonds

Ring. Signed 14kt white gold ring displaying a central prong-set oval faceted Tanzanite flanked by rows of full cut diamonds. Stamped, "CNN?" and "14k". Total approx. weight of the

A fine ladies cocktail ring, 18k white and yellow gold with a central 7 carat (approximately) tanzanite stone. Accented and flanked by a pyramid of round, brilliant cut diamond shoulders (approx 2.4 c

14kt white gold cocktail ring displaying a central prong-set pear-shaped Tanzanite surrounded by (16) round full cut diamonds. Tanzanite measures approx. 10.0mm x 6.5mm; diamonds measure approx. 2.0mm

Stone: Tanzanite Color:blue Carat Total Weight:4.63ct Main Stone size:13*8.5mm Shape:Oval Clarity: Transparent Cut:Brilliant weight:6.3gr Ring size:6.75US Secondary Stone: Diamond Secondary Stone Weig

Ring. 18kt white gold engagement ring with central radiant cut yellow diamond with diamond halo, and split shank set with diamond accents. Central yellow diamond measures approx. 8x6mm, approx. clarit

Ballerina style 18kt white gold ring with central oval cut emerald and a surround of pave diamonds and a second tier of tapered baguette diamonds. Emerald measures approx. 8 x 6.5mm. Stamped, "75

Ring. Signed 18kt white gold engagement ring displaying a central round brilliant cut diamond flanked by full round cut diamond accents. Accompanied by an April 26th, 2002 GIA Diamond Grading Report n

A stunning 18kt white gold ring featuring a central oval brilliant cut natural emerald beryl gemstone, encircled by a harmonious blend of round brilliant and baguette cut diamonds. This meticulously c

18kt white gold cocktail ring with central asscher cut aquamarine with a surround of alternating trefoils of round cut diamonds and baguettes. Asscher cut aquamarine measures approx. 13.5mm x 15.4mm.

Jewelry Grouping. Including a diamond accented 18kt white gold ring with central prong set marquise cut green gem - stamped, "18K - Jabel" size -7 1/4; a damaged diamond accented 18kt white

Art Deco 18kt white gold ring displaying a central Old European cut diamond with pierced surround. Diamond measures approx. 3.5mm. Stamped, "18K". Total approx. weight of the ring is 1.4 dwt

18kt white gold engagement ring displaying a central marquis cut diamond within a surround of pave diamond accents flanked by (2) marquis cut pendants inlaid throughout with pave diamond accents. Cent

Modernist 18kt white gold textured ring displaying a central marquis cut diamond. Diamond measures approx. 10.0mm x 5.5mm - this approximation is mounting permitted. Stamped, "18K". Total ap

Ring. Signed 18kt white gold ring with central oval faceted blue gem flanked by (20) full cut faceted diamonds. Central gem, most probably a sapphire, measures approx. 10.0mm x 8.0mm; diamonds measure