Platinum Blue Spinel Cabochon and Diamond Ring

Large center prong set blue spinel, approx. 13mm h. x 12mm base, collar with 18 accent diamonds, linked platinum band. Size 4. Approx. 8 grams inclusive. Condition: Note several minor chips to spinel.

METAL: 14k Gold/Platinum. GEMSTONES: Blue spinel - 12mm x 9.2mm. One prong is missing. Diamonds. MEASUREMENTS: Ring size 9 1/4. TESTED: 14k, Plat. WEIGHT: 5.4 grams.Gemstones have not been graded for

Cabochon Red Spinel Diamond Platinum Ring. Red spinel: 12.46 mm. 110+ Diamonds total weight approx. 1.20 ct. Ring size: 4.5 Total weight: 10.6 g

Modernist 14k yellow with white gold ring having domed cabochon blue spinel type and synthetic pave set diamonds Ring Size 8.5 total weight 11.3 grams Provenance: The Estate of Barbara "Babs" Baugh,

United States,20th Century Includes a size 6 1/2 class ring set with a ruby, a size 3 1/2 class ruby cabochon ring, a size 4 1/2 ruby ring, a size 3 1/2 diamond ring surrounded by deep blue spinel, a

a fine Persian blue oval cabochon measuring 22 X 15.5 mm with 8 round diamonds totaling 1 carat, with appraisal of $4,550.00, currently size 6 1/2.

4.00ct Blue Sapphire Cabochon, 0.60ctw VS1-VS2/G-H Diamond Solid Platinum Ring - This lovely ring was finely crafted of solid platinum and boasts a 4.00ct (approximate) blue sapphire cabochon. The cab

A SAPPHIRE AND DIAMOND CLUSTER DRESS RING in 18ct yellow gold and platinum, set with a round cabochon blue sapphire of 0.97 carats within a border of old cut diamonds, stamped 18ct Plat, size L1/2 / 6

49.65ct Blue Sapphire Cabochon, 0.70ctw SI1-SI2/G-H Diamond Solid Platinum Ring - This lovely ring was finely crafted of solid platinum and boasts a massive 49.65ct (approximate) genuine blue sapphire

No Reserve Price!   Grading Results:___________Stone Type: Natural Red SpinelShape: Oval CabochonCarat: 62.40 ctColor: RedClarity: Included 2   Grading Results:___________

METAL: 18k Gold/Platinum. GEMSTONES: Rose cut diamonds approx. 12 stones. Blue spinel tested RI=1.72. MEASUREMENTS: Ring size 7 3/4, ring top is 22mm wide. TESTED: 18k/Plat. WEIGHT: 7.3 grams.Gemstone

6.35ct Blue Sapphire Cabochon, 1.00ctw VS2-SI1/G-H Diamond Solid Platinum Ring - GUARANTEED FREE SHIPPING WILL ARRIVE BEFORE CHRISTMAS IF PAYMENT RECEIVED WITHIN 72 HOURS. This lovely ring was finely

Art Deco period platinum ring, brightly polished and engraved, featuring centered bezel set blue sapphire high dome oval cabochon, weighing approx. 3.30 carats, further adorned with 22 old European an

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

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

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.

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

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

Lady's Platinum 14k Moonstone, Diamond & Sapphire Art Deco Ring Size 4.5. Includes one translucent medium light slightly grayish blue violet moonstone cabochon measuring 5.9mm. It is set with (12) tra

SAPPHIRE AND DIAMOND CLUSTER RING, in 18 ct. gold and platinum. Set with a central cabochon cut blue sapphire, surrounded with diamonds. Size J 1/2. 2 grams.

No Reserve Price!   Grading Results:___________Stone Type: Natural SapphireShape: Oval CabochonCarat: 3.84 ctColor: Blue Grading Results:____________Stone Type: Natural D

No Reserve Price!   Grading Results:___________Stone Type: Natural TurquoiseShape: Oval CabochonCarat: 0.10 ctColor: BlueClarity: Opaque   Grading Results:____________

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