PLATINUM AND DIAMOND SINGLE-CUT 7-STONE RING

A SET OF TWO THREE STONE RINGS one in 18ct yellow gold and platinum, set with a square step cut ruby accented by two single cut diamonds, stamped 18ct & PT, size O1/2 / 7.5, 2.2g, one in 9ct yello

PLATINUM AND DIAMOND RING ~ SIZE 7, TAPERED SHANK WITH OPENWORK DESIGN FEATURING 0.55CT BRILLIANT ROUND CENTER STONE WITH SIX SINGLE CUT DIAMONDS ON EACH SIDE (APPROX 0.73CT TDW) STAMPED AND TESTED (4

Art Deco style, baguette and single cut diamonds estimated total weight 1.0 carat, four red stone cabochons on corners, mounting tested platinum, shank tested 14kt. white gold, size 6-1/4, 4.7 grams

A platinum diamond single-stone ring. The brilliant-cut diamond, to the tapered shoulders and plain band. Estimated diamond weight 2.35cts, I-J colour, P3 clarity. Hallmarks for London, 2004. Weight 5

A mid 20th century 18ct gold and platinum diamond single-stone ring. The brilliant-cut diamond collet, to the tapered shoulders and plain band. Estimated diamond weight 0.45ct, J-K colour, P1. Weight

A platinum diamond single-stone ring. The brilliant-cut diamond, with tapered shoulders. Diamond weight 0.33ct, stamped to band, estimated H-I colour, SI clarity. Hallmarks for London. Ring size L1/2.

A platinum diamond single-stone ring. The brilliant-cut diamond, to the asymmetric shoulders. Estimated diamond weight 0.30ct, I-J colour, SI2-P1 clarity. Hallmarks for Birmingham. Ring size N. Weight

A platinum diamond single-stone ring. The brilliant-cut diamond collet, with tapered shoulders. Diamond weight 0.16ct, stamped to band, estimated H-I colour, P1 clarity. Hallmarks for London. Weight 3

Five gold gem-set rings. To include an early 20th century platinum and 18ct gold single-cut diamond three-stone crossover ring, an early 20th century 18ct gold and platinum synthetic ruby dress ring,

YELLOW GOLD, PLATINUM AND DIAMOND BAND Single cut diamonds with scalloped platinum edge and high karat yellow gold center. Mounted in platinum, 14K and 24K yellow gold. Ring size 7. Stamp: PLAT 14K-2

A mid 20th century platinum and 18ct gold diamond single-stone ring. The circular-cut diamond, with pave-set diamond line sides. Principal diamond estimated weight 0.30ct, I-J colour, P1 clarity. Ring

AQUAMARINE AND DIAMOND RING Containing one rectangular cut aquamarine measuring 21.55 x 18.90 x 13.35 mm and 16 single cut diamonds. Mounted in platinum. Ring size 7. Stamp: WB CO. Pt900. Gross weight

ART DECO, DIAMOND RING Containing one old European cut diamond weighing approximately 1.45 carats and 22 single cut diamonds. Mounted in platinum. Ring size 7 1/4. Gross weight: 3.45 dwt.

Ladies vintage platinum diamond ring featuring two prong set round European cut diamonds and accented with additional round single cut diamonds. Total diamond weight approx. 1.00ct. Detailed with an e

PLATINUM (TESTS) SINGLE-CUT DIAMOND ANNIVERSARY RING, DIAMOND APPROXIMATE TWT 0.66 CT. RING SIZE 7 3/4; GROSS WEIGHT 3.8 GRAMS

A mid 20th century platinum diamond three-stone ring. The graduated brilliant-cut diamond line, with single-cut diamond line sides, to the plain band. Estimated total diamond weight 0.55ct, I-J colour

A mid 20th century 18ct gold and platinum diamond single-stone ring. Of bi-colour design, the brilliant-cut diamond, with tapered shoulders and single-cut diamond accents. Principal diamond estimated

A platinum diamond single-stone ring. Of bi-colour design, the brilliant-cut diamond, with bar sides and tapered band. Diamond weight 0.33ct, H-I colour, P1 clarity. Hallmarks for London. Ring size O.

YELLOW GOLD, PLATINUM AND DIAMOND RING Containing one old European cut diamond weighing approximately 0.15 carat and numerous single and mixed cut diamonds. Ring size 7 1/2. 7.60 dwt.

David Webb Diamond, Platinum, Gold Ring Stones: Full and single-cut diamonds weighing a total of approximately 3.40 carats Metal: Platinum, 18k gold Marked:

Platinum diamond ring, baguette cut stones channel set, marked size: 7.25 total weight: 4.6 grams Provenance: Property from a prominent Alamo Heights, Texas family Shipping available for this lot t

Platinum and Diamond Ring and Platinum and Diamond Band Ring One old European-cut diamond weighing 1.46 cts., 4 single-cut diamonds, 7 round diamonds ap. .20 ct., ap. 3.7 dwts. Sizes 5 1/2. With GIA r

Platinum and Diamond Ring with Platinum and Diamond Guard Ring One old European-cut diamond weighing 1.70 cts., 4 single-cut diamonds, 7 round diamonds ap. .20 ct., ap. 3.7 dwts. Sizes 5 1/2. The diam

Art Deco Platinum Single Cut Approx 1.75ct Cut & Baguettes Diamond Approx 1ct VVS H Measurements 0.8”x0.82” Weight 13.3gr Ring Size 7 Chevalier