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An Art Deco emerald, sapphire & diamond dress ring. The elongated octagonal cartouche, collet-set with a line of alternating circular-cut sapphires & rectangular-cut emeralds, within a border of calibré & circular-cut emeralds, accented by cushion-shaped diamond finials, between similarly-shaped diamond & circular-cut sapphire scrollwork shoulders, diamonds approx 1.05 cts total.

An Art Deco emerald, sapphire & diamond dress ring. The elongated octagonal cartouche, collet-set with a line of alternating circular-cut sapphires & rectangular-cut emeralds, within a border of calibré & circular-cut emeralds, accented by cushion-shaped diamond finials, between similarly-shaped diamond & circular-cut sapphire scrollwork shoulders, diamonds approx 1.05 cts total.

An emerald, sapphire, ruby, and diamond crescent brooch, circa 1900. The oval-cut emerald, in an open-claw setting, within a closed crescent set with circular-cut rubies, sapphires and single-cut diamonds, pin with maker's mark and Russian assay mark, composite.

An emerald, sapphire, ruby, and diamond crescent brooch, circa 1900. The oval-cut emerald, in an open-claw setting, within a closed crescent set with circular-cut rubies, sapphires and single-cut diamonds, pin with maker's mark and Russian assay mark, composite.

Art Deco ring put with emerald and diamonds in platinum. Especially the typesetting of the rim calibrated cut emeralds betrayal of the high quality of work in this ring.

Art Deco ring put with emerald and diamonds in platinum. Especially the typesetting of the rim calibrated cut emeralds betrayal of the high quality of work in this ring.

An Art Deco platinum, sapphire and diamond ring, 1930s. Featuring a natural Ceylon sapphire weighing 12 carats. #ArtDeco #ring

An Art Deco platinum, sapphire and diamond ring, 1930s. Featuring a natural Ceylon sapphire weighing 12 carats. #ArtDeco #ring

Art Deco clipbroche in tutti-fruttistijl.Platina en witgoud, bezet met diamanten in verschillende slijpvormen en gekerfde robijnen. Gesigneerd: Mauboussin FranceCa. 1925  Afm.:...

Art Deco clipbroche in tutti-fruttistijl.Platina en witgoud, bezet met diamanten in verschillende slijpvormen en gekerfde robijnen. Gesigneerd: Mauboussin FranceCa. 1925 Afm.:...

Art Deco Platinum, Pink Sapphire and Diamond Ring

Art Deco Platinum, Pink Sapphire and Diamond Ring

Art Deco Platinum, Sapphire, and Diamond Ring, set with an oval-cut sapphire measuring approx. 11.30 x 8.60 x 6.10 mm, framed by baguette, and single-cut diamonds, millegrain accents

Art Deco Platinum, Sapphire, and Diamond Ring, set with an oval-cut sapphire measuring approx. 11.30 x 8.60 x 6.10 mm, framed by baguette, and single-cut diamonds, millegrain accents

Mauboussin - An Art Deco platinum, old brilliant-cut diamond and buff-top sapphire brooch, French, circa 1926. With maker's mark and numbered. 5.5 x 2 cm.

Mauboussin - An Art Deco platinum, old brilliant-cut diamond and buff-top sapphire brooch, French, circa 1926. With maker's mark and numbered. 5.5 x 2 cm.

Princess Cut and Round Diamonds and Pink Sapphire Side Stone Engagement Ring in Prong Setting.

Princess Cut and Round Diamonds and Pink Sapphire Side Stone Engagement Ring in Prong Setting.

Aquamarine ring

Aquamarine ring

Blue Sapphire Engagement Rings by Ken & Dana Design

Blue Sapphire Engagement Rings by Ken & Dana Design

Emeralds, Sapphires, Diamonds, and Fire Opal necklace.  #opals #opalsau #opalsaustralia

Emeralds, Sapphires, Diamonds, and Fire Opal necklace. #opals #opalsau #opalsaustralia

An Art Deco white gold, glass, pearl, sapphire and diamond bracelet, circa 1925. #ArtDeco

An Art Deco white gold, glass, pearl, sapphire and diamond bracelet, circa 1925. #ArtDeco

Chopard sapphire and diamond copacabana ring

Chopard sapphire and diamond copacabana ring

A Belle Epoque platinum and diamond pendant, by Bonebakker, The Netherlands. Of openwork garland style with bows and flowers, set with small rose-cut diamonds, suspending two pear-shaped rose-cut diamonds. #Bonebakker #BelleÉpoque #pendant

A Belle Epoque platinum and diamond pendant, by Bonebakker, The Netherlands. Of openwork garland style with bows and flowers, set with small rose-cut diamonds, suspending two pear-shaped rose-cut diamonds. #Bonebakker #BelleÉpoque #pendant

Emeralds, Sapphires, Diamonds, and Fire Opal necklace. #opals #opalsau #opalsaustralia

Emeralds, Sapphires, Diamonds, and Fire Opal necklace. #opals #opalsau #opalsaustralia