Blue Star Sapphire Diamond Gemstone, Platinum Ring

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

This beautiful authentic floral ring is by Tiffany & Co. it is crafted from 18k yellow gold and features a lovely round cut blue sapphire gemstone in the center surrouned with 8 round cut sparkling di

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

Title: Very Art Deco 12ct Natural Blue Star Sapphire 2ctw Ultra Clean White E-F Color Diamond Platinum Ring 1930s Description: An approx. 12ct cabochon of natural blue star sapphire, framed in 2ctw

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

Antique Art Deco blue star sapphire cabochon ring in tested platinum with diamond accents; 15mm stone; size 4; 6.7 grams

Art Deco Platinum 10.79ct. Blue Star Sapphire & 0.86ct. Diamond Ladies Ring. Size approx. - 4 - 4 1/2. Star sapphire - 12mm x 9mm x 9.25mm, weighing approx. 10.79ct. Sapphire is of slightly violet

size 13 ring; the blue-gray star sapphire measures 21 x18 x13.9 mm with an estimated weight of 58 carats; sapphire displays natural color zoning and cracks are present in the crown and pavilion side w

Vintage ladies platinum, star sapphire and diamond estate ring; (1) natural star sapphire corundum, oval cabochon-cut, weighing approx 24.63cts, tone: medium dark, saturation: grayish, hue: blue, the

Metal Content: Platinum.Weight of Item: 18.8 grams.Size: Ring size 6 3/4, ring top - 23mm at widest poin.Gemstone: Diamonds. Star sapphire approx. 19.53ct (15.5mm x 13.5mm).Carat Weight: approx. 1.21c

Round blue star sapphire cabochon, approx. 12.75 cts., in octagonal yellow gold seting paired with diamond platinum corners, diamonds approx. .12 ct. TW. Size 6. 8.2 dwt.

1) 14K yellow gold ring featuring blue star sapphire in center and black star sapphires on sides, sz 5.75, 2) 14K yellow gold black onyx heart ring with diamond accent in center, sz 5, 3) 14K yellow g

METAL: Platinum. GEMSTONES: Diamonds approx. 0.78ctw. Blue sapphires. MEASUREMENTS: Ring size 6, ring top is 5mm wide. MARKED: Plat. WEIGHT: 5 grams.Gemstones have not been graded for color and clarit

METAL: platinum. MEASUREMENTS: Ring size 6 1/2, ring is 3.2mm wide . GEMSTONES: Diamonds approx. 0.15ctw, blue sapphires . MARKED: Tiffany & Co, pt950. WEIGHT: 5.3 grams.Gemstones have not been gr

METAL: 20K gold GEMSTONE(S): blue star sapphire cabochon approx. 14.32 x 14.30 x 7.45 mm; accented with two pear shape diamond accents MEASUREMENTS: ring top 5/8 inch in diameter RING SIZE: 6-3/4 WEIG

METAL: platinum GEMSTONE(S): round cabochon star sapphire weighing 6.00 carats; round brilliant cut diamonds weighing 1.00 carats total (carat weight stamped) MEASUREMENTS: ring top 3/4 x 3/4 inch RIN

METAL: platinum. GEMSTONES: center marquise cut diamond-approx. 1.10ct, approx 30 side diamonds, blue sapphires. MEASUREMENTS: ring size 6. Ring is 13.5mm at widest point. MARKED: Irid Plat. WEIGHT: 1

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

A PLATINUM AND STAR SAPPHIRE AND DIAMOND LADY'S RING, the mounting centering one cabochon cut gray/blue star sapphire measuring approximately 17.50 x 13.50 x 8.40 millimeters with an approximate weigh

Star sapphire measures 12.5mm x 10.3mm. Ring size 4. Marked Plat, weighs 8.4 grams.Gemstones have not been graded for color and clarity ,and tested for clarity and color enhancement, unless stated oth

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.

METAL: platinum and 14K white gold GEMSTONE(S): cabochon star sapphire approx. 15.90 x 14.95 x 11.15 mm and 9.45 x 9.35 x 8.40 mm; accented with single and baguette cut diamonds RING SIZE: 7-1/4; 6 WE

Metal Content: Platinum.Weight of Item: 8.4 grams.Size: Ring size 6 3/4, ring top - 16mm x 15.5mm.Gemstone: Diamonds. Purple Star Supphire 4.00ct (small imperfection on the side of the gem).Carat Weig

Crafted in platinum featuring (1) blue/grey star sapphire approx 6 1/2ct. The ring also features 2 tapered diamond baguettes weighing .20cttw. The ring is a size 8 and weighs 10dwt