A platinum brilliant-cut diamond band ring. Maker's

A DIAMOND BAND RING in platinum, set with round brilliant cut diamonds, B&N maker's mark, partial British hallmarks, size M1/2 / 6.5, 8.0g. 

A platinum diamond band ring. The plain band with brilliant-cut diamond gallery sides. Maker's marks for Charles Green & Son. Estimated total diamond weight 0.15ct. Hallmarks for Birmingham. Ring size

A platinum diamond band ring. The brilliant-cut diamonds, inset at intervals, to the textured band. Estimated total diamond weight 0.30ct. Hallmarks for London, 2003. Ring size N. Weight 5gms.

A platinum diamond band ring. The brilliant-cut diamond line, inset at intervals to the polished band. Hallmarks for Birmingham, 2002. Ring size K1/2. Weight 5.7gms.

Three diamond eternity band rings Two signed Renaissance Square, baguette, and round brilliant-cut diamonds Platinum Ring sizes 6 ½, 6 ¾, 6 ½; Gross weight 9.2 dwts

Platinum band set with (3) round brilliant cut diamonds and (2) diamond baguettes. Round diamonds measure approx. 3.0mm; baguettes measure approx. 3.5mm x 2.5mm. Apparently unmarked. Ring size - 6 3/4

A gentleman's platinum diamond band ring. The brilliant-cut diamond, inset to the plain band. Hallmarks for London, 2005. Ring size R. Weight 10.3gms.

Art Deco Circa 1920s-1930s Approx. 1.0 Carat TW Round Brilliant Cut Diamond, Baguette Cut Ruby and Filigree Platinum Band / Ring. Diamonds F-G color, VS1-VS2 clarity. Ring size 5-1/2. Approx. weight:

EGL Certified .81 Carat Round Brilliant Cut Diamond and Platinum Engagement Ring and Wedding Band accented throughout with Round Cut Diamonds. Center diamond G color, SI1 clarity. Stamped Plat. Ring s

DE BEERS - a platinum band ring. The polished band, with brilliant-cut diamond accent interior. Signed and numbered DeBeers, B06202. Hallmarks for Sheffield. Ring size Q. Weight 8.7gms.

Circa 1950s 4.50 Carat TW Round Brilliant Cut Diamond and Platinum Eternity Band. Diamonds G-H color, VS2-SI2 clarity. Unsigned. Ring size 5. Approx. weight: 5.1 grams. Condition: Very good vintage co

A Yellow Gold Plated Platinum and Diamond Eternity Band Ring, containing 53 round brilliant cut diamonds weighing approximately 2.12 carats total, six marquise cut diamonds weighing approximately 0.73

A Scott Kay platinum 11.5mm band ring featuring two outside rows of round brilliant cut diamonds and one row of alternating princess cut and round brilliant cut burnish set diamonds, of VS clarity and

Platinum diamond engagement ring, approx. .82 ct round brilliant cut center diamond, several round brilliant accent diamonds on band, ring has approx. 1.17 ctw, size 8 1/4, marked "plat", also

This is an ORIGINAL VINTAGE ETERNITY BAND RING that was made from PLATINUM during the 1950s. It is set with 24 BRILLIANT CUT DIAMONDS of G-H-I color, VS to SI clarity that weigh approx. 1.20 ctw. The

Tiffany Platinum Diamond Engagement Band/Ring. Beautiful band with sleek finish on the metal and top notch round brilliant cut diamond set channel flush setting. Very spectacular piece of jewelry

Three brilliant round cut diamonds sparkle alluringly in a six prong setting with a polished two-tone gold band. Stamped 14k gold / platinum. Size 5.5 . Center stone approximately 0.40 ct. Color: FG,

A Gemlok double row ring set with twenty two round brilliant cut diamonds weighing approximately 1.25 carats total weight. Ring is marked "Gemlok Plat" to shank interior. Size 10.25. 5.1 dwt.

This ring is set with five round brilliant cut diamonds weighing approximately 1.25 carats total weight. Ring size 6.75. 4.1 dwt.

Vintage platinum and natural diamond ring. A series of brilliant round cut diamonds set in platinum. Marked PLATINUM. Good overall condition with minor wear. Size 8.5. Total approximate diamond weight

Diamond Eternity Bandplatinum, the ring mounted with round brilliant-cut diamonds weighing approximately 3.75 carats in total.size 4-3/4, total weight 4.9 grams

Very Nice Contemporary Approx. 4.0 Carat TW Seventeen Round Brilliant Cut Diamond and Platinum Eternity Band. Diamonds E-F color, VS1-VS2. Well matched diamonds. Ring size 5. Approx. weight: 6.0 grams

An exquisite 900-purity platinum ring with 0.77 carats of brilliant-cut diamonds. Stamped 077, Pt900, on the inside of the ring band. Details and measurements: Ring size: 10.5. Weight: 20.1 G.

A 900-purity platinum ring with 2.00 carats of brilliant-cut diamonds. Stamped 200, Pt900, on the inside of the ring band. Details and measurements: Ring size: 6. Weight: 9.8 G.