Antique diamond and platinum line bracelet, circa 1910
A pair of old mine cut diamond studs
An emerald and diamond ring set in a platinum mount
An antique marquise cut diamond ring
A late 19th century sapphire and diamond crescent brooch
Rose gold,diamond and pink sapphire "Nouvelle Vague" ring
Cartier
Gold and diamond hoops
Van Cleef & Arpels
Art Deco platinum and diamond long chain, circa 1920
A pear cut diamond "toi et moi" ring
An early 20th century openwork diamond and platinum heart shaped pendant
Four channel set gem set rings
Edwardian emerald and diamond ‘toi-et-moi’ ring
A mid-century diamond ring
A 1930s platinum and diamond line bracelet
An early 20th century diamond bracelet, circa 1915
A Gold 'Resille’ Bracelet, 1960s
Cartier
An old cut diamond bracelet, 1940s
An antique diamond riviere with a cluster pendant
An early 20th century platinum and diamond necklace
An early 20th century gold and gem set necklace, circa 1900
Archaeological Revival gold and amethyst necklace, circa 1870
A mid-century diamond riviere necklace
A mid-century baguette cut diamond collar necklace
A pair of 1940s diamond ear clips
A pair of antique pear cut diamond earrings, circa 1915
A pair of 19th century amethyst drop earrings
A pair of antique diamond earrings, circa 1900
An early 20th century ruby and diamond arrow and heart brooch
A Turtle Brooch, 1960s
Cartier
A Demantoid garnet and diamond tortoise brooch, circa 1890
A 1950s gold and diamond clip
Cartier
An Art Deco diamond line bracelet by Dreicer & Co
Early 20th century diamond cross pendant, circa 1915
Mid-20th century aquamarine and sapphire ring
Cartier
A Pair of 19th Century Diamond Drop Earrings
Early 20th Century Navette Shaped Diamond Cluster Pendant
A Pair of Yellow Sapphire Hoop Earrings
Hemmerle
An 18k Italian Gold Cuff
An Early 20th Century Diamond and Natural Pearl Bracelet
Tiffany & Co.
An Art Deco Aquamarine and Diamond Bracelet
Oscar Heyman
A 1950s Gold and Diamond Bracelet
Raymond Yard
Mid-20th Century Gold and Diamond Two Row Swag Necklace
An 18k Gold, Diamond, Emerald and Rock Crystal Lariat Necklace
A Pair of Art Deco Diamond Clips
A Sapphire and Gold 'Lilac Leaf' Brooch
René Boivin
Citrine and Gold Flower Brooch
Citrine Flower Brooch
Cartier
Art Deco Diamond Penannular Brooch
An Antique Yellow Diamond Cluster Ring
An Early 19th Century Georgian Diamond Ring
A Mid Century Ruby and Diamond Ring
Bulgari
Early 20th Century Platinum and Diamond chain
An Art Deco Platinum and Diamond Bracelet
Tiffany & Co.
An antique diamond necklace, mid 19th century
A pair of emerald and diamond cluster earrings, circa 1890
An antique 3 stone old cut diamond ring
A pair of mid 20th century coral, enamel and diamond ladybird ear clips
Cartier
A square emerald cut diamond ring
A pair of gold and lapis lazuli rounded ring cufflinks, circa 1930-31
Cartier
A pair of gold and lapis lazuli baton cufflink, circa 1935
Cartier
A tubogas chain with diamond set pendant
Bulgari
An early 20th century diamond cross pendant
A French 1930s 18k gold and lapis lazuli bracelet
An art deco ruby and diamond bracelet, circa 1925
A diamond flower necklace, circa 1950
A late 19th century amethyst and diamond clover brooch
An art deco sautoir and pendant watch
J.E. Caldwell
A sapphire line bracelet, circa 1920
An old mine cut diamond ring
An antique gem-set heart pendant locket on a pearl set gold chain
A 1920's emerald and diamond bracelet
French Gold & Pyramidal Cabochon Sapphire Stirrup Cufflinks
Cartier
An Aquamarine and Diamond Dress Ring, 1930
Art Deco sapphire and diamond line bracelet, circa 1925
A Ruby Line Bracelet
An extraordinary mid-century sapphire and diamond bracelet
18th century oval link cluster bracelet
Early 20th century emerald and diamond cluster ring
An early 20th century butterfly brooch circa 1910
Diamond drop ear clips, circa 1940
An 18k gold industrial style bracelet
A late 19th century ruby and diamond crescent pendant
Art Deco multi-gem-set and enamel brooch, circa 1925
A 19th century fine emerald and diamond ring
An art deco diamond line bracelet, circa 1920
A diamond an onyx bow brooch, circa 1915
Cartier
Diamond Drop Earrings, circa 1915
A Pair of Diamond Drop Hoop Earrings, circa 1930
A Diamond Cluster Pendant
An early 20th century moonstone and old cut diamond heart shaped ring
A plique a jour, blister pearl and diamond bat brooch, circa 1910
A gold, diamond and citrine flower brooch
Cartier
An antique cluster ring, circa 1890
A pair of natural pearl, diamond and chalcedony earrings, Monture Cartier
Cartier
Set of two graduated 19th century diamond daisy flowerhead brooches, circa 1880
An 2.82ct old mine cut diamond ring
An emerald and diamond ring, circa 1915
A pair of 19th century diamond cluster earrings, circa 1870
An art deco diamond bracelet, circa 1930
A pair of carved ruby and diamond earrings
Cartier
An art deco onyx and diamond dress ring set with a sugarloaf amethyst, circa 1925
Boucheron
A diamond strap bracelet, circa 1910
An French Art deco diamond square-link bracelet, circa 1925
Early 20th century diamond cluster ring, circa 1915
An early 20th century scroll and pear shaped diamond pendant
A collection of gem set gypsy rings mounted in 18K gold
A pair of art deco diamond and rock crystal ear pendants, circa 1920
A ruby and diamond double clip brooch, circa 1945
Boucheron
An early 20th century sapphire and French cut diamond line bracelet
A pair of ruby and diamond ear pendants, circa 1925
A sapphire and diamond panel ring, circa 1910
A yellow gold "B.Zero1" ring
Bulgari
An onyx and diamond bracelet
A diamond and ruby clip, circa 1930
An en tremblant antique flower brooch, circa 1860
An art deco ruby and diamond geometric cluster ring, circa 1920
Art Deco three stone baguette diamond ring, circa 1930
A rare art deco Diamond ring, surrounded by rubies and diamonds
An Art deco sapphire and diamond ring, circa 1920
An Art Deco diamond Maillon Panthere bracelet, circa 1915
Cartier
A pair of coral, diamond and sapphire ear pendants
An emerald and diamond ring, circa 1930
Pair of fin-de-siècle art nouveau gold and diamond cufflinks, circa 1900
A pink sapphire and diamond gypsy ring
A mid century art deco-style brownish-yellow diamond ring
Pair of diamond earrings, Paris
Cartier
An art deco unheated Ceylon sapphire and diamond ring, France, circa 1920
A art deco ruby and diamond ring, Ellis Brothers, Canada, circa 1925
A sapphire and diamond 'forget-me-not' ring, New York, circa 1960
Cartier
A diamond and sapphire brooch
A fine petit point-style diamond bracelet
A pair of retro sapphire, diamond & gold earrings, Paris, late 1940s
Cartier
An important French art deco diamond bracelet, circa 1935