A gentleman's platinum brilliant-cut diamond band

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.

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,

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

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

A YELLOW DIAMOND CLUSTER RING in platinum, set with a marquise cut yellow diamond of 1.01 carats, in a cluster of round brilliant cut diamonds, the band set with further baguette cut diamonds, stamped

AN UNHEATED RUBY AND DIAMOND RING in platinum, set with a cushion cut ruby of 2.54 carats accented by round brilliant and baguette cut diamonds, with further round brilliant cut diamonds to the band,

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.

Vintage Tiffany & Co Schlumberger Studios Sixteen Round Brilliant Cut Diamond, Platinum and Eighteen Karat Yellow Gold Band. Diamonds D-E color, VVS clarity. Signed Tiffany, Schlumberger Studios, PT95

A 1.00 CARAT SOLITAIRE DIAMOND ENGAGEMENT RING in platinum, set with a round brilliant cut diamond of 1.00 carats, accented by further round brilliant cut diamonds to the band, British hallmarks for p

A 1.01 CARAT SOLITAIRE DIAMOND ENGAGEMENT RING in platinum, set with a round brilliant cut diamond of 1.01 carats, the band half set with further round brilliant cut diamonds, partial British hallmark

Classic eternity band in brightly polished platinum that contains round brilliant cut diamonds bead set all the way around. Band has a shiny raised flat rail on each side. SpecificationsJewelry Inform

A PLATINUM DIAMOND RING a round brilliant-cut diamond to three milgrain diamond-set bands. Estimated principal diamond weight 0.70ct, estimated total diamond weight 1.35ct, hallmarked London 2008, rin

Crafted in platinum; set with round brilliant-cut diamonds weighing a total of approximately 2.80 carats, most with E-F color and VVS-VS clarity; width measures 1/8 inch; ring size 4-1/2; weight 5.20

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

A platinum diamond ring. The brilliant-cut diamond, raised to the tapered baguette and brilliant-cut diamond sides, and plain band. Estimated total diamond weight 0.45ct. Principal diamond estimated w

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. 

Two mid 20th century 18ct gold and platinum diamond three-stone rings. Each designed as three brilliant-cut diamonds, to the plain band. Estimated total diamond weight 0.45ct. Weight 5gms. Overall con

A diamond single-stone ring claw-set with a round brilliant-cut diamond, to a plain band, mounted in platinum; together with a baguette and round brilliant-cut diamond half-eternity ring, mounted in p

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

A gentleman's 18ct gold diamond band ring. The brilliant-cut diamond, inset to the plain band with grooved edges. Diamond weight 0.40ct, stamped to band, estimated H-I colour, P1 clarity. Hallmarks fo

A diamond single-stone ring claw-set with a cut-cornered square modified brilliant-cut diamond, to a plain band, mounted in platinum; with GIA later inscription number 6107374369, stating that the dia

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.

Lady's White Platinum Diamond Anniversary Band with Round brilliant cut diamonds totaling approx. 0.38 cts, 3.4 grams. Ring size 4-1/2