CARRERA Y CARRERA: diamond earring and ring suiteEarrings designed as a panther holding a brilliant-cut diamond, wearing a similarly cut diamond s...

CARRERA Y CARRERA: ruby and diamond necklaceDesigned as a ladybird accented by brilliant-cut diamonds, with cabochon ruby-set eyes, suspended on a...

Citrine, pearl and diamond pendant necklaceThe large oval plaque, centrally set with a fancy-cut citrine within an openwork surround, accented by ...

Diamond single-stone ringSet with a brilliant-cut diamond, weighing 2.53 carats, ring size approx. MFor further information on this lot please vis...

Sapphire and diamond cluster ringSet with a circular-cut sapphire and brilliant-cut diamonds, ring size approx. N½For further information on this ...

Diamond pendent earringsOf openwork design, set with brilliant and baguette-cut diamonds, suspending four pear-shaped rose and brilliant-cut diamo...

Diamond earstudsEach set with a brilliant-cut diamond, weighing 1.37 carats or 1.54 caratsFor further information on this lot please visit Bonhams...

GRAFF: Diamond pendantSet with brilliant-cut diamonds, weighing 1.52 carats total, mounted in 18 carat white gold, signed Graff, numbered 11784 le...

Diamond cluster ringThe step-cut diamond within a surround of single-cut diamonds, principal diamond approx. 1.20cts, ring size approx. LFor furth...

Diamond brooch/pendant, Circa 1910Centrally set with an old brilliant-cut diamond within a pierced surround, set throughout with rose-cut diamonds...

Sapphire and diamond cluster ringThe oval-cut sapphire in a double surround of single-cut diamonds, Austrian assay mark, ring size approx. M½This...

Diamond bracelet and broochEach link with a central old brilliant-cut diamond with rose-cut diamond accents, the brooch of similar design, diamo...

Diamond brooch and earringsThe openwork plaque brooch set throughout with rose and old brilliant-cut diamonds, the earrings of similar design, on...

Diamond cross pendantThe Latin cross set with old brilliant and single-cut diamonds, diamonds approx. 4.20cts total, Portuguese assay marks, Frenc...

Diamond cluster pendent earringsOf target design, set with single and old brilliant-cut diamonds, beneath a similarly-cut diamond surmount, diamo...

Sapphire and diamond braceletSet with circular-cut sapphire and old brilliant-cut diamond clusters, between similarly-cut diamond links, diamonds ...

Sapphire and diamond cluster ringThe oval-cut sapphire within a surround of old brilliant-cut diamonds, between similarly-cut diamond shoulders, d...

Cultured pearl and diamond necklaceThe alternating 8mm and 3mm cultured pearls, with a single and old brilliant-cut diamond spacer, principal diam...

Ruby and diamond ringThe central oval cabochon ruby between step-cut rubies and old brilliant-cut diamonds, diamonds approx. 0.50ct total, ring s...

Emerald and diamond ringThe oval cabochon emerald, between tiered baguette-cut diamond shoulders, ring size approx. LFootnotes:Accompanied by a re...

Piaget: diamond-set watchThe dial with baton hour markers, the bezel set with single and brilliant-cut diamonds, to a fancy link strap, dial sign...

Sapphire and diamond ringSet with an octagonal step-cut sapphire, within a surround of step-cut diamonds, the shoulders set with similarly and sin...

Emerald and diamond pendent earringsEach set with a step-cut emerald and brilliant-cut diamonds, length 5.5cmFor further information on this lot p...

Diamond three-stone ring, circa 1920Vertically set with three old brilliant-cut diamonds with bifurcated baguette-cut diamond shoulders, diamonds ...

Diamond bracelet, circa 1950Of openwork geometric design, set throughout with baguette, old brilliant and single-cut diamonds, diamonds approx. 18...

Diamond clip brooches, circa 1940Each of scrolling design, set with old brilliant and baguette-cut diamonds, mounted in platinum, diamonds approx...

Diamond pendant, bracelet, ring and earclipsThe pendant of openwork scrolling design, set throughout with brilliant, old brilliant and cushion-sha...

Diamond three-stone ringSet with a central old brilliant-cut diamond between cushion-shaped diamonds, with single-cut diamond accents, principal d...

Diamond brooch, circa 1890Of openwork target design, set throughout with old brilliant-cut diamonds, mounted in silver and gold, later brooch fit...

Diamond Maltese cross brooch/pendant, circa 1820Set throughout with old brilliant and cushion-shaped diamonds, mounted in silver and gold, princip...

Diamond pendent earrings, circa 1880Each set throughout with cushion-shaped and old brilliant-cut diamonds, mounted in silver and gold, diamonds a...

Late 19th century Diamond brooch and late 19th century diamond and turquoise brooch/pendant1st: The old brilliant-cut diamond bar brooch suspendin...

Diamond cluster ringThe floral cluster set throughout with brilliant-cut diamonds, principal diamond approx. 1.50cts, remaining diamonds approx. 2...

Aquamarine and diamond earringsEach set with a step-cut aquamarine within a surround of brilliant-cut diamonds, length 1.9cmFor further informatio...

Diamond braceletSet throughout with brilliant-cut diamonds, diamonds approx. 2.85cts total, length 16.8cmFor further information on this lot pleas...

Diamond cluster earringsEach set with pear-shaped and brilliant-cut diamonds, diamonds approx. 4.90cts total, length 2.3cmFor further information ...

Diamond rivière necklaceSet with graduated brilliant-cut diamonds, with an unassociated baguette and brilliant-cut diamond clasp, diamonds approx....

Diamond earringsEach hoop set to the front with baguette-cut diamonds, the inner back set with brilliant-cut diamonds, diamonds approx. 3.75cts to...

Diamond three-stone ringSet with three graduated brilliant-cut diamonds, principal diamond approx. 1.50cts, remaining diamonds approx. 1.85cts tot...