A diamond ring. The brilliant-cut diamond collet and

CHOPARD - a 'Happy Diamonds' ring. The brilliant-cut diamond collet, free-moving within a square-shape glazed panel surround. Signed and numbered Chopard, 289012 0, 82/2938-20. Ring size M. Weight 12g

A sapphire and diamond dress ring. The brilliant-cut diamond collet, within a similarly-cut diamond and calibre-cut sapphire panel, to the plain band. Principal diamond estimated weight 0.90ct, J-K co

A diamond dress ring. The brilliant-cut diamond collet, within a single-cut diamond panel, to the plain band. Estimated total diamond weight 0.50ct. Weight 3.7gms.

CHOPARD - a 'Happy Diamonds' ring. The free-moving brilliant-cut diamond collet, within a heart-shape glazed mount and brilliant-cut diamond surround. Signed and numbered Chopard, 32/2890-20, 3074308.

CHOPARD - an 18ct gold 'Happy Diamonds' ring. The free-moving brilliant-cut diamond collet, within a heart-shape glazed panel and surround. Signed and numbered Chopard 3106003 82/4354-20. Swiss conven

A 14ct gold diamond single-stone ring. The brilliant-cut diamond collet, with grooved shoulders and band. Diamond weight 0.95ct, stamped to band, estimated K-L colour, P2 clarity. Hallmarks for Birmin

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

CHOPARD - an 18ct gold 'Happy Diamonds' ring. The free-moving brilliant-cut diamond collet, within a heart-shape glazed surround, to the plain band. Signed and numbered Chopard, 3005265 82/4354-20. Sw

CHOPARD - a 'happy diamonds' ring. The free-moving brilliant-cut diamond collet, within a brilliant-cut diamond heart surround, to the tapered band. Signed and numbered Chopard, 9618 82/1084. Estimate

An 18ct gold diamond single-stone ring. The brilliant-cut diamond collet, to the textured band. Estimated diamond weight 0.35ct, P1 clarity. Hallmarks for Sheffield. Ring size H. Weight 6.8gms.

A diamond single-stone ring. The brilliant-cut diamond collet within a halo surround and asymmetric shoulders. Estimated diamond weight 0.15ct, I-J colour, SI clarity. Ring size N1/2. Weight 2.4gms.

An 18ct gold diamond single-stone ring. The brilliant-cut diamond collet, with tapered shoulders. Estimated diamond weight 0.30ct, I-J colour, P1-P2 clarity. Hallmarks for Birmingham, 2000. Ring size

CHOPARD - a 'Happy Diamonds' dress ring. The free-moving brilliant-cut diamond collet, within a similarly-cut diamond heart, glazed panel. Signed and numbered Chopard, 9885359, 82/2936-20. Estimated t

A diamond two-stone crossover ring. The brilliant-cut diamond collet diagonal line, between asymmetric rose-cut diamond sides. Estimated total diamond weight 0.55ct, H-I colour, SI-VS clarity. Ring si

CHOPARD - A 'Happy Diamonds' dress ring. The free-moving brilliant-cut diamond collet, within a spiral surround, to the plain band. Signed and numbered Chopard, 6145083/827109-5002. Convention marks f

An 18ct gold diamond three-stone ring. The graduated brilliant-cut diamond collet line, with tapered shoulders. Total diamond weight 0.54ct, stamped to band, estimated H-I colour, VS2-SI1 clarity. Hal

A topaz and diamond ring. The cushion-shape orange topaz, with brilliant-cut diamond collet sides and open chevron shoulders. Estimated total diamond weight 0.10ct. Ring size O1/2. Weight 3.8gms.

A sapphire and diamond dress ring. Designed as a series of vari-shape sapphire and brilliant-cut diamond collets, raised to the tapered band. Ring size S. Weight 9.2gms. Overall condition fair. Surfac

Three rings. To include a brilliant-cut diamond collet single-stone ring, together with an 18ct gold and 9ct gold band ring. Estimated diamond weight 0.15ct, J-K colour, SI clarity. Hallmarks for Lond

CHOPARD - a 'Happy Diamonds' love ring. The brilliant-cut diamond script, with similarly-cut diamond free moving collet heart panel highlight. Signed and numbered Chopard, 82/2899-20 2681070. Estimate

An emerald and diamond dress ring. The square-shape emerald collet, with brilliant-cut diamond sides. Ring size L. Weight 5.3gms.

A garnet and diamond ring. The oval garnet cabochon collet, with brilliant-cut diamond star highlight, to the similarly-cut diamond collet sides and replacement early 20th century plain band. Estimate

A gem-set dress ring Collet-set with an oval cabochon sapphire within a raised mount, set with pairs of cabochon emeralds and rubies and bands of brilliant-cut diamonds (Ring size: N)

DIAMOND CLUSTER RING, 19TH CENTURY The old brilliant-cut diamond within a surround of cushion-shaped diamonds, closed back pinched collet settings throughout, diamonds approx. 0.70ct total, ring size