A single stone ring, tests for diamond

An impressive single stone diamond ring, the old round brilliant cut diamond, estimated weight 2.61cts, in a plain raised six claw setting of white precious metal, tests for 18ct white gold; ring size

A single stone diamond ring, the round brilliant cut diamond, estimated weight 0.80ct, in a four claw Tiffany style setting, to plain shoulders and shank, size P, unhallmarked yellow metal tests to at

Dazzling 2.5 Ct Mint Green Diamond Ring. This lab created diamond center stone is near flawless. It will test positive for a diamond on almost every single diamond tester. It is a facy square princess

set with a single round brilliant cut diamond approx. 0.50 carats, appears a nice clean stone, flanked by 2 round diamonds to the shoulders, white gold reticulated setting stamped 20K, tests at least

An 18ct gold rectangular-shape diamond single-stone ring.Diamond weight 5.76cts, estimated tinted 'light yellowish brown' colour, SI2-P1 clarity.Hallmarks for London, 2011. Ring size M. 5.1gms.

A mid Victorian 18ct gold old-cut diamond single-stone ring.Diamond estimated weight 0.90ct, based on estimated dimensions of 8.9 by 7.7 by 2.1mms, estimated I-J colour, P1 clarity.Hallmarks for Birmi

JOHN DONALD: DIAMOND SINGLE-STONE RING AND DIAMOND-SET DRESS RING, 1990-2002 1st: Set with a pear-shaped diamond, between openwork abstract shoulders, mounted in 18 carat gold, 2nd: Of openwork bomb&#

An old-cut diamond single-stone ring.Estimated diamond weight 2cts, tinted colour, P2 clarity.French assay mark. Ring size M1/2. 3.7gms.

An old-cut diamond single-stone ring.Estimated diamond weight 1.20cts, H-I colour, P2 clarity.Stamped plat.Ring size J1/2. 3.5gms.

An early 20th century 9ct gold old-cut diamond single-stone ring.Estimated diamond weight 0.35ct, H-I colour, SI clarity.Ring size K1/2. 1.6gms.

An 18ct gold brilliant-cut diamond single-stone ring. Estimated diamond weight 0.25ct, H-I colour, P1 clarity. Hallmarks for London. Ring size K1/2. 2.6gms.

A diamond ring and brooch. To include an early 20th century 9ct gold gold owl bar brooch, together with an 18ct gold diamond single-stone ring. Estimated diamond weight 0.25ct, J-K colour, P2 clarity.

A SINGLE STONE DIAMOND RING LONDON 1982The step cut diamond with canted corners weighing 5.99 carats, in four claw settings, AJR Studio Ltd maker's mark and later signed BoucheronSize/dimensions: fing

SINGLE STONE DIAMOND RING The Asscher-cut diamond, weighing 4.59cts, in a four-claw setting, ring size S

A SINGLE STONE DIAMOND RINGThe brilliant cut diamond weighing 2.78 carats, in an eight claw settingSize/dimensions: finger size N Gross weight: 2.8 grams

A LATE VICTORIAN SINGLE STONE DIAMOND RING CIRCA 1900The cushion cut diamond weighing 3.71 carats in a claw setting, to a reeded shank Size/dimensions: finger size I 1/2Gross weight: 4.1 grams

A SINGLE STONE DIAMOND RINGThe step cut diamond with canted corners weighing 3.11 carats, in a four claw setting, set above two baguette cut diamond set shoulders, the shank stamped 18ctSize/dimension

A diamond single-stone ring. The brilliant-cut diamond, with tapered shoulders. Estimated diamond weight 5cts, I-J colour, P1-P2 clarity. Ring size M1/2. Weight 5.8gms.

A diamond single-stone ring. The old-cut diamond, with tapered shoulders and plain band, Estimated diamond weight 1.15cts, tinted colour, VS clarity. Ring size L. Weight 2.3gms. Overall condition good

A diamond single-stone ring. The brilliant-cut diamond, with crossover gallery and tapered shoulders. Estimated diamond weight 0.75ct, G-H colour, VS clarity. Ring size N. Weight 3.6gms.

A LOVELY SINGLE STONE DIAMOND RING, 1.65CTS, set in platinum.

A diamond single-stone ring. The oval-shape diamond, weighing 1.01cts, to the plain sides. Estimated H-I colour, SI clarity. Ring size m 1/2. Hallmarks for Sheffield. Weight 3.1gms. Overall condition

A DIAMOND SINGLE-STONE RING The brilliant-cut diamond weighing 0.75ct within a four-claw setting to a plain gold hoop, mounted in 18K gold, ring size L Please note that the diamond is laser inscribed

A diamond single-stone ring. The heart-shape diamond, to the plain band. Estimated diamond weight 0.75ct, H-I colour, VS2-SI1 clarity. GIA laser inscription covered by mount. Ring size H1/2. Weight 2.