Star Sapphire, Diamond, Platinum Brooch, Signed Kevin.

EXCEPTIONAL DECO 14KT YELLOW/WHITE GOLD DRAGONFLY BROOCH W/ DIAMONDS, STAR SAPPHIRES, RUBIES, EMERALDS & OPALS, C. 1940/50 SIGNED MONOGRAM & JGLJ3The dimensions are as follows:Wing to wing is 2"Head t

Metal : Platinum Designer : Not Signed Gemstone : Star sapphire cabochon 8.45ct, Diamonds 0.58ctw. Measurements : Ring size 6.5, top is 11.5mm wide. Marked: : pt900, 058, 8.45.

PLATINUM & 18K GOLD CEYLON STAR SAPPHIRE DIAMOND & RUBY BROOCH: An important 18K yellow gold Russian brooch set with a large star sapphire cabochon surrounded by diamonds and knife-set rubies in an en

set with seven sapphires and 10 diamonds signed "Tiffany & Co." 1 3/4" long, 3.3 dwt gross

Signed Art Deco Cartier platinum ruby, diamond and sapphire pin. The rectangular pin is decorated with a pair of star shaped mountings set with single round faceted sapphire. The sapphire stars are su

This impressive signed platinum ”Maltese Cross” brooch with 18kt yellow gold accents features an approx. 5.27 ct. medium slightly violetish blue sapphire cabochon bezel set into the center

CERTIFICATED CEYLON SAPPHIRE AND DIAMOND RING,Platinum.Blue sapphire of 6.11 ct. (Certificated, Ceylon, no heat).Diamonds totalling approx. 1.50 ct.Size O. 7.5 grams.Signed JB Star.For certificate see

Tiffany & Co. Jean Schlumberger platinum and 18k yellow gold "Star Fish" brooch designed with sixty-two diamonds, 1.28 carats total weight, appx. 2 3/4". 46.65gr. Signed "Tiffany Schlumberger 18K PLAT

Star Sapphire, Diamond, Platinum Bracelet, Tiffany & Co. The bracelet features oval-shaped star sapphires weighing a total of approximately 12.50 carats, enhanced by full-cut diamonds weighing a t

Designed as a foliate wreath framing a translucent purplish blue star sapphire, 13.2 - 13.0 x 9.65 mm, 17.8 cts. by formula, with seven spherical (probably natural) pearls, 4.55 - 3.55 mm, set among O

An oval star sapphire cabochon, 23.20 cts. by formula, in strapped platinum and single cut diamond setting with baguette cut diamond shoulder, approx. .80 ct. TW. Ca. 1930. Stamped 10% Irid. Platinum.

Crafted in solid heavy Platinum, the center is adorned by a GIA certified Natural untreated Star Sapphire weighing approximately 2.56 carats. Accompanied by a GIA Report N#2215624863 & an official app

22.40ctw Blue Star Sapphire, 0.49ctw VS2-SI1/G-H Diamond & Solid Platinum Cocktail Ring (Comes W/$19,000 Appraisal) - This stunning ring was finely crafted of solid platinum, and contains a 22.40ct (a

Platinum ring with oval 6.92ct star sapphire cabochon, and 0.29ctw in diamonds. Ring size - 6, ring top is 10.5mm. Marked: 6.92, Pt900, D029. Weight - 5.9 grams.

Art Deco 25.75 Carats Star Sapphire & Diamond Platinum Dome Ring Size 4 This is a stunning Art Deco ring, it is crafted from platinum featuring a high dome shape star sapphire mounted on a round frame

Star sapphire, diamond and platinum ring Centering one oval star sapphire weighing approximately 22.75 cts., accented by two tapered baguette cut diamonds weighing a total of approximately 0.48 ct., a

Oval star sapphire, 31 cts. by formula, with baguette and single cut diamond strapped shoulders, melee approx. .45 ct. TW, ca. 1935. Size 8 3/4. 8.5 dwt.

set with 5 star sapphire stones in grey-blue hues (center stone 10x9mm), 60 round diamonds approx. 2.75ctw, and 16 oval and round blue gemstone accents, ornate filigree design in white gold, stamped '

8.00ct Blue Star Sapphire, 1.30ctw VS2-SI1/G-H Diamond and Solid Platinum Ring - This beautiful ring was finely crafted of solid platinum and boasts a lovely 8.00ct (approximate) blue star sapphire th

Platinum, centering a high-dome star sapphire cabochon measuring 10.3 x 9.5 mm with a two-row surround of 32 full-cut diamonds totaling approximately 2.35 cts., graded G-H color and VS clarity, size 6

Ladies vintage diamond and star sapphire ring. Features an oval blue star sapphire cabochon with three round cut and prong set diamonds set around the 9mm x 7.5mm x 7.25mm cabochon. Size 6. Weighs 4.7

Sapphire, diamond, and platinum flower brooch Designed as a bouquet set with cabochon sapphires, single, old European, baguette, and round brilliant-cut diamonds Platinum 2.125 x 1.625 in; Gross weigh

This is a vintage retro platinum ring featuring a large star sapphire accented by round brilliant and baguette cut diamonds. The diamonds are VS clarity and GH color. The ring is a size 6 US and it we

14K Gold, Star Sapphire, Ruby, and Diamond Brooch featuring an oval cabochon star sapphire, circle-cut rubies, and full-cut diamonds; 5.43 dwts.; lg. 1 1/2 in.