A Set of Platinum and Diamond Rings, 4.50 dwts.

A Platinum, Sapphire and Diamond Ring, containing four oval mixed cut sapphires weighing approximately 1.68 carats total and 16 round brilliant cut diamonds weighing approximately 0.80 carat total. 4.

Pink sapphire, diamond, and platinum ring Set with a cabochon purplish-pink sapphire and single-cut diamonds Platinum Ring size 5.50; Gross weight 3.2 dwts

Platinum and Diamond Ring Marked 'PLAT'; set with one round diamond weighing approx. 0.80 ct. Size 9 1/2, 12.3 dwts.

Edwardian Diamond and platinum engagement ring Set with an old European-cut diamond weighing approx. 1.95 cts and single-cut diamonds; 1910s Platinum Ring size 6.50; Gross weight 2.1 dwts Sold with bo

Van Cleef & Arpels Platinum and Diamond Band Ring Continuously set with 28 baguette diamonds ap. 5.00 cts., signed Van Cleef & Arpels, no. ML3165, with maker's mark, ap. 6 dwts. Size 7, 54. With signe

Diamond and platinum engagement ring Set with a modified rectangular-cut diamond weighing approximately 1.60 cts. by formula Platinum Numbered 5014 Ring size 7 3/4; Gross weight 3.7 dwts GIA Report #1

Tiffany & Co. Diamond, Platinum Ring. Featuring one round brilliant-cut diamond weighing approximately 1.05 ct., set in a solitaire platinum mounting. {Size 5 1/4, Gross Weight: 2.8 dwts}

Tiffany & Co. Diamond, Platinum Ring. Featuring twenty round brilliant-cut diamonds weighing a total of approximately 0.75 cttw., set in a platinum mounting. {Size: 5 1/4, Gross Weight: 3.2 dwts} Note

Diamond, Platinum Ring. Featuring twenty-five single-cut diamonds weighing a total of approximately 1.25 cttw., set in a platinum mounting. {Size: 6 1/2, Gross Weight: 4.1 dwts}

A Platinum art deco filigree diamond ring, set with a star sapphire cabochon 5.1mm, 2-3.4mm; 19 rose cut accent diamonds, and one single cut. Sz.9.5, 3.5 Dwts. Unmarked metal, testing as platinum. The

Antique Turquoise and diamond ring Set with an oval cabochon turquoise surrounded by old mine-cut diamonds Platinum and yellow gold Ring size 5; Gross weight 5.0 dwts

Jacob & Co. Brown diamond ring Set with a radiant-cut brown diamond weighing approx. 7.01 cts Platinum With maker's mark for Jacob & Co. Ring size 5; Gross weight 18.0 dwts

A Platinum and Diamond Ring, containing one octagonal step cut diamond weighing 5.02 carats and two baguette cut diamonds weighing approximately 0.50 carat total. Stamp: PLATINUM. Accompanied by a Gem

A Platinum and Diamond Ring, containing one pear shape brilliant cut diamond weighing 2.58 carats and 30 round brilliant cut diamonds weighing approximately 0.65 carat total. Stamp: PLAT. Accompanied

A Platinum and Diamond Ring, containing one pear shape brilliant cut diamond weighing 4.13 carats and two tapered baguette cut diamonds weighing approximately 0.10 carat total. Stamp: 10% IRID PL (obs

A Platinum and Diamond Ring, containing one round brilliant cut diamond weighing approximately 1.01 carat, 12 marquise cut diamonds weighing approximately 0.95 carat total and 28 baguette cut diamonds

Marked Platinum on the very work band. Central diamond surrounded by smaller diamond chips.

A Platinum and Diamond Ring, containing three round brilliant cut diamonds weighing approximately 0.51 carat total and four baguette cut diamonds weighing approximately 0.27 carat total. Stamp: IRID-P

Platinum diamond eternity ring, 1.3 dwts

An 18ct gold ring with platinum set diamond. Ring size approx. M

An 18ct gold ring with 12 platinum set diamonds. Ring size approx. Q

Rings feature approx. 0.80ctw of pave diamonds. Ring sizes 6.75, measure 1.6mm wide each. Tested platinum. Weight - 4.9 grams. Gemstones have not been graded for color and clarity ,and tested for clar

Two 18ct and platinum diamond set rings: Both with nice bright stones, gross weight 3.8g, UK sizes J & N (3 stone) Both boxed.

18ct Gold and platinum diamond set ring together with two 9ct gold dress rings