10.00ct SI1/J-K Round Cut Diamond and Platinum Ring

Vintage Approx. 4.87 Carat Round Brilliant Cut Diamond and Platinum Engagement Ring. Diamonds K-L color, VS2 clarity. Unsigned. Very good condition. Ring size 4-1/4. Approx. weight: 6.3 grams. Shippin

Approx. 4.38 Carat Round Brilliant Cut Diamond and Platinum Engagement Ring accented with small baguette and round brilliant cut diamonds. Center diamond K-L color, VS clarity. Stamped Plat. Ring size

Vintage Approx. 3.03 Carat Round Brilliant Cut Diamond and Platinum Engagement Ring. Diamond K-L color, SI1 clarity. Signed Plat. Very good condition. Ring size 6. Approx. weight: 3.80 pennyweights. S

Very Fine Art Deco Design Approx. 4.25 Carat Cut Diamond, 1.50 Carat Colombian Emerald and Platinum Engagement Ring. Set in center with a 3.15 carat round cut diamond K color, SI1 clarity and flanked

Art Deco style Diamond and Platinum Ring. Set in the center with a 1.02 carat round brilliant cut diamond, K-L color, VS1 clarity. Accented with .23 carat TW round brilliant cut diamonds, E-F color, V

Platinum and Diamond Ring Having a round cut center diamond weighing approximately 0.81 carats (6.18 x 3.51mm) I-1 clarity, J/K color, surrounded by (27) round cut diamond chips (marked '10%IRID PLAT'

Beautiful platinum ring featuring a 4.06ct round brilliant cut diamond with K color and I1 clarity along with approx 1ctw of diamond pave with G-H color and VS clarity. It is 11mm wide, a size 2.25, a

A vintage platinum wedding set. Engagement ring with center European cut diamond weighing approximately 1.00ct, of SI2 clarity and J-K color, with eight round brilliant cut diamonds set in platinum mo

ring set with five round brilliant cut diamonds [I-K/I-1], approximate total weight 1.49 carats; size 6-½; weighs 7.8 grams

The ring is set with a center row of eight full cut round diamonds [I-K/VS], approximate total weight 0.40 carats, bordered by two rows of 20 single cut round diamonds [I-K/VS], approximate total weig

Art Deco style Diamond and Platinum Ring. Set in the center with a 2.01 carat old European cut diamond, K-L color, VS2 clarity. Accented with .95 carat TW round brilliant cut diamonds, E-F color, VS1-

Art Deco style Diamond and Platinum Ring. Set in the center with a 1.43 carat old European cut diamond, K color, VS2 clarity. Accented with .32 carat TW round brilliant cut diamonds, E-F color, VS1-VS

Art Deco period ring hand-fabricated in platinum, brightly polished and engraved, featuring a bead set round transitional cut diamond, J-K color, SI2 clarity, weighing approx. 1.10 carat, adorned with

VINTAGE PLATINUM AND DIAMOND RING Mid- to Late 20th Century Central approx. 0.65 ct. round-cut diamond, approx. I1 clarity, K-L color, surrounded by 22 single-cut diamonds, approx. 0.22 ctw., and eigh

Ladies platinum engagement ring ct with round cut diamond 5mm x 3.2mm each side having 2 small baguette cut diamonds and 3 small round cut diamonds. Approx. ring size 5. J/K VS, prong set.

Platinum and Diamond Ring Having a central round cut diamond weighing approximately 1.20 carats, I-1 clarity, J/K color, surrounded by a spray of baguette and round cut diamonds; total diamonds weight

Platinum Two Stone Diamond Ring. This eye catching platinum ring features two central old European cut round diamonds, the first of which is approximately 1.27 ct.*, VS2 in clarity, and K in color, an

Platinum and 14k white gold; One stamped: Plat / CCJI / ©, One stamped: 14K / CCJI / © The platinum ring centers one round old European-cut diamond gauged at 0.42ct. and graded J-K in color and

Platinum and Diamond Ringcentering on a prong set round brilliant cut diamond (9.30 - 9.37 x 5.53 mm) weighing 2.90 carats (actual) (K color, SI2 clarity), and set to the shoulders with tapered baguet

set with a round European cut diamond approx. 1.45 carats, 7.16-7.18x4.54 (in our opinion: J-K color, VVS2-VS1 clarity, however not guaranteed), in yellow gold (diamond set in platinum), stamped '14K

Platinum and Diamond Ring, central prong set round brilliant cut diamond, wt. approx. 1.19 cts., approx. 6.70-6.58 x 4.20 mm, K color, I-1 clarity; stylized asymmetric bezel with 42 mixed cut diamonds

TIFFANY & CO., A DIAMOND ETOILE RING in platinum, the band set with staggered round brilliant cut diamonds, signed T & Co., stamped PT950, size K / 5.25, 7.0g. Accompanied by a Tiffany & C

ART DECO PLATINUM TRIPLE DIAMOND RING, 0.90CTW set with 3 round European cut diamonds approx. 0.90 carats, (in our opinion, J-K color, VS2-SI1 clarity, however not guaranteed), overall head 6x17mm, fi

The ring is set with an Old European cut diamond in the center, approx. .70 ct., color K, clarity, SI2, surrounded with 7 round cut small diamonds and paste, sz. 5 1/4, 4/0 grams.