5ct Blue Tourmaline Oval Cut

Middle grade mine cut specimen with treatment; Brazil origin

Middle grade mine cut specimen with treatment; Brazil origin

Middle grade mine cut specimen with treatment; Brazil origin

(3) rings including having (3) round cut blue tourmaline, having (10) oval cut cabochon opals on a vertically banded ring and having (4) oval cut with (2) round cut cabochon opals in a leaf setting; (

Tourmaline, diamond and 18k yellow gold ring Featuring (1) oval-cut blue tourmaline, weighing 17.42 cts, accompanied by a GIA Gem Trade Laboratory Tourmaline Report #2205299494, Dated May 16, 2019, st

White Gold, Blue Tourmaline, and Diamond Ringcentering on an oval cut blue tourmaline (11.0 x 9.0 x 5.60 mm) weighing approximately 2.72 carats and with full cut round and tapered baguette cut diamond

178027 STERLING SILVER BLUE TOURMALINE LADIES RING Sterling silver blue tourmaline ladies ring. Gemstones to include one 4.0 ct oval cut blue tourmaline gemstone. Stone Type: Tourmaline Weight: 7.48 G

A greenish blue tourmaline, diamond and fourteen karat white gold ringdesigned as an oval-cut greenish blue tourmaline, measuring approximately 11.40 x 9.30 x 5.70 mm, framed by round brilliant-cut di

One (1) 60.10 ct oval cut blue indicolite tourmaline. Origin: Brazil. Accompanied with GGL certificate. 30.32 x 23.30 x 12.96 mm.

One (1) 10.85 ct oval cut blue natural Indicolite tourmaline. 14.38 x 11.45 x 8.36 mm. Accompanied with CGL certificate.

One (1) 98.10 ct oval cut blue indicolite tourmaline. Origin: Brazil. Accompanied with GGL certificate. 35.90 x 28.70 x 15.40 mm.

One (1) 77.70 ct oval cut blue indicolite tourmaline. Origin: Brazil. Accompanied with GGL certificate. 31.80 x 27.70 x 14.95 mm.

ELIZABETH LOCKE, YELLOW GOLD, PERIDOT AND TOURMALINE RING Containing one oval buff top peridot measuring approximately 13.00 x 10.00 mm and two oval mixed cut greenish blue tourmalines. Ring size 6 1/

Pair Sterling & Stone Earrings Stamped and tested 925/sterling silver, 29.5mm in length, with blue tourmaline and amethyst stones in oval and round cuts as well as a pair of lapis lazuli stone cabocho

Pair Sterling & Stone Earrings Stamped and tested 925/sterling silver, 29.5mm in length, with blue tourmaline and amethyst stones in oval and round cuts as well as a pair of lapis lazuli stone cabocho

A greenish blue tourmaline, diamond and eighteen karat white gold ring designed as an oval-cut green tourmaline, measuring approximately 13.67 x 10.50 x 8.26 mm, framed by round brilliant-cut diamonds

Vintage 14kt Gold Blue Tourmaline Solitaire Ring 1.8 grams total weight, stamped and tested, signed (triangle with "S" inside), size 6.25, vintage age with faintly embossed shank details, oval cut tou

One (1) 10.95 ct oval cut blue natural indocolite tourmaline gemstone. 14.42 x 12.06 x 8.26 mm. Accompanied with CGL certificate.

Collection of unmounted stones Including 1) rectangular-cut greenish-blue tourmaline, measuring approximately 6.9 X 4.9 X 3.3 mm; 1) oval-cut kunzite, measuring approximately 9.0 X 7.0 X 4.4 mm; 1) ro

One (1) 11.35 ct oval cut blue natural Paraiba tourmaline. Origin: Brazil. 13.71 x 10.95 x 8.56 mm. Accompanied with GGL certificate.

One (1) 7.20 ct oval cut blue natural indicolite tourmaline. Origin: Brazil. Accompanied with GGL certificate. 12.70 x 10.54 x 7.06 mm.

One (1) 12.30 ct oval cut blue natural paraiba tourmaline. Origin: Brazil. Accompanied with GGL certificate. 16.38 x 12.50 x 6.77 mm.

One (1) 8.45 ct oval cut blue natural Indicolite tourmaline. Origin: Brazil. Accompanied with GGL certificate. 14.22 x 10.64 x 7.53 mm.

One (1) 10.30 ct oval cut blue "NATURAL PARAIBA TOURMALINE". Origin: Brazil. Accompanied with a GGL certificate. 15.00 x 11.15 x 7.50 mm