An 18ct gold tanzanite ring, with brilliant-cut diamond sides. Tanzanite calculated weight 2.94cts,

A 14ct gold tanzanite and diamond dress ring. The oval-shape tanzanite, with brilliant-cut diamond double sides and tapered baguette-cut diamond shoulders. Tanzanite weight 1ct. Total diamond weight 0

VINTAGE 18K GOLD, TANZANITE, AND DIAMOND LADY'S RING, tested, set with a heart-shape tanzanite flanked by an approximately .10 ct round brilliant-cut diamond on each side. Total ring weight: 8.5 grams

An 18ct gold diamond ring. The brilliant-cut diamond, with similarly-cut diamond trefoil sides. Total diamond weight 0.50ct, stamped to band, principal diamond estimated I-J colour, P2 clarity. Hallma

An 18ct gold diamond single-stone ring. The brilliant-cut diamond, to the tapered sides. Estimated diamond weight 0.50ct, tinted colour, SI clarity. Hallmarks for Birmingham. Ring size M1/2. Weight 5g

A tanzanite, baguette and brilliant-cut diamond geometric dress ring,Tanzanite calculated weight 2.31cts, based on estimated dimensions of 8.8 by 7.1 by 4.1mms.Estimated total diamond weight 0.35ct.St

BULGARI - an 18ct gold 'B.Zero1' diamond ring. The brilliant-cut diamond line, with logo sides. Signed Bulgari. Estimated total diamond weight 0.70ct. Convention marks for Switzerland. Ring size O 1/2

An 18ct gold sapphire and diamond ring. The oval-shape sapphire, with brilliant-cut diamond sides. Estimated total diamond weight 0.20ct. Hallmarks for Birmingham, 1986. Ring size H. Weight 2.1gms.

An 18ct gold diamond single-stone ring. The brilliant-cut diamond, to the tapered sides and plain band. Estimated diamond weight 1ct, tinted colour, SI2-P1 clarity. Hallmarks for Sheffield. Weight 3.6

An 18ct gold diamond single-stone ring. The brilliant-cut diamond, with calibre-cut diamond line sides. Principal diamond estimated weight 0.75ct, K-L colour, SI clarity. Hallmarks for Sheffield. Ring

A mid 20th century 18ct gold diamond single-stone ring. The brilliant-cut diamond, with rose-cut diamond sides. Estimated brilliant-cut diamond weight 0.50ct, I-J colour, P1 clarity. Ring size R. Weig

An 18ct gold diamond cluster ring. The brilliant and tapered baguette-cut diamond panel, with brilliant-cut diamond sides. Estimated total diamond weight 1ct. Hallmarks for Sheffield. Ring size O1/2.

An 18ct gold emerald and diamond ring. The circular-shape emerald, inset to the slightly curved band, with scattered brilliant-cut diamond sides. Estimated total diamond weight 0.10ct. Hallmarks for L

An 18ct gold diamond single-stone ring. The square-shape diamond, between brilliant-cut diamond tapered line sides. Principal diamond estimated weight 0.20ct, H-I colour, SI2-P1 clarity. Hallmarks for

An 18ct gold diamond ring. The rectangular-shape diamond line, within a channel-setting, to the brilliant-cut diamond sides and plain band. Estimated total diamond weight 0.40ct. Hallmarks for London,

An 18ct gold turquoise and diamond three-stone ring. The oval turquoise cabochon collet, with brilliant-cut diamond sides. Estimated total diamond weight 0.20ct. Hallmarks for London, 1981. Ring size

An 18ct gold diamond crossover ring. Of bi-colour design, comprising seven brilliant-cut diamond crossover bands, with tapered sides. Total diamond weight 0.88ct. Hallmarks for Birmingham. Ring size O

An 18ct gold sapphire and diamond three-stone ring. The rectangular-shape sapphire, with brilliant-cut diamond collet sides. Estimated total diamond weight 0.15ct. Hallmarks for Birmingham, 1999. Ring

* An 18ct gold emerald and diamond three-stone ring. The circular-shape emerald, to the brilliant-cut diamond sides and plain band. Total emerald weight 1.42cts. Total diamond weight 0.75ct, estimated

Scalloped bypass ring with one tanzanite prong set in the center, complemented by round brilliant cut diamond sides, all in brightly polished 14KT yellow gold. SpecificationsJewelry Information

An 18ct gold emerald and diamond ring. The oval-shape emerald, with graduated brilliant-cut diamond line sides and tapered band. Estimated total diamond weight 0.20ct. Import marks for Sheffield. Weig

An 18ct gold ruby and diamond three-stone ring. The circular-shape ruby, with brilliant-cut diamond sides and tapered shoulders. Estimated total diamond weight 0.20ct. Hallmarks for Birmingham, 1989.

An 18ct gold diamond two-stone crossover ring. The brilliant-cut diamond diagonal line, to the asymmetric sides and plain band. Estimated total diamond weight 0.15ct. Hallmarks for Sheffield, 1996. Ri

An 18ct gold opal and diamond ring. The pear-shape fire opal, to the brilliant-cut diamond line sides and plain band. Hallmarks for Birmingham. Weight 4.5gms.

An 18ct gold tanzanite three-stone ring. The oval-shape tanzanite, with similarly-cut tanzanite sides. Hallmarks for Birmingham, 2005. Ring size N. Weight 3.8gms.