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Art Deco Diamond, Sapphire, Platinum Ring, J. E. Caldwell  The ring features a European-cut diamond measuring 7.25 x 7.23 x 4.27 mm and weighing approximately 1.30 carats, enhanced by French-cut sapphires weighing a total of approximately 0.10 carat, accented by European-cut diamonds weighing a total of approximately 0.50 carat, set in platinum, having a partial J. E. Caldwell signature

Art Deco Diamond, Sapphire, Platinum Ring, J. E. Caldwell The ring features a European-cut diamond measuring 7.25 x 7.23 x 4.27 mm and weighing approximately 1.30 carats, enhanced by French-cut sapphires weighing a total of approximately 0.10 carat, accented by European-cut diamonds weighing a total of approximately 0.50 carat, set in platinum, having a partial J. E. Caldwell signature

Diamond, Synthetic Sapphire, Platinum Ring.  The ring features European and single-cut diamonds weighing a total of approximately 1.35 carats, enhanced by French-cut synthetic sapphires, set in platinum. Art Deco or Art Deco style.

Diamond, Synthetic Sapphire, Platinum Ring. The ring features European and single-cut diamonds weighing a total of approximately 1.35 carats, enhanced by French-cut synthetic sapphires, set in platinum. Art Deco or Art Deco style.

1.75 Carat Asscher-Cut Diamond Art Deco Ring. A glorious and glistening classic…

1.75 Carat Asscher-Cut Diamond Art Deco Ring. A glorious and glistening classic…

Art Deco Platinum, Diamond and Sapphire Bow Brooch, France  One old-mine cut diamond ap. .40 ct., 14 old-mine & 56 single-cut diamonds ap. 1.85 cts., with French assay marks, c. 1920, ap. 7 dwt.

Art Deco Platinum, Diamond and Sapphire Bow Brooch, France One old-mine cut diamond ap. .40 ct., 14 old-mine & 56 single-cut diamonds ap. 1.85 cts., with French assay marks, c. 1920, ap. 7 dwt.

Art Deco Platinum, Sapphire, and Diamond Brooch, bezel-set with an old European-cut diamond, and set throughout with old European and old single-cut diamonds, approx. total wt. 2.12 cts., calibre-cut sapphire highlights, millegrain accents, lg. 1 7/8 in.

Art Deco Platinum, Sapphire, and Diamond Brooch, bezel-set with an old European-cut diamond, and set throughout with old European and old single-cut diamonds, approx. total wt. 2.12 cts., calibre-cut sapphire highlights, millegrain accents, lg. 1 7/8 in.

Diamond, Sapphire, Gold Bracelet  The bracelet features full-cut diamonds weighing a total of approximately 1.50 carats, enhanced by square and baguette-cut sapphires weighing a total of approximately 1.50 carats, set in 18k gold having a rhodium finish. Art Deco or Art Deco style.

Diamond, Sapphire, Gold Bracelet The bracelet features full-cut diamonds weighing a total of approximately 1.50 carats, enhanced by square and baguette-cut sapphires weighing a total of approximately 1.50 carats, set in 18k gold having a rhodium finish. Art Deco or Art Deco style.

Diamond and Platinum Ring, circa 1910  Set with an old European-cut diamond weighing approximately 0.55 carat, the shoulders accented by smaller old European-cut diamonds

Diamond and Platinum Ring, circa 1910 Set with an old European-cut diamond weighing approximately 0.55 carat, the shoulders accented by smaller old European-cut diamonds

Super awesome ring ~ diamond set against geometric and multi-cut blue sapphires

Super awesome ring ~ diamond set against geometric and multi-cut blue sapphires

SRI LANKA Sapphire Ring

SRI LANKA Sapphire Ring

Platinum Chamise Ring with Sapphire Accents // Set with a 1.01 Carat, Princess, Super Ideal Cut, H Color, VVS1 Clarity Diamond #BrilliantEarth

Platinum Chamise Ring with Sapphire Accents // Set with a 1.01 Carat, Princess, Super Ideal Cut, H Color, VVS1 Clarity Diamond #BrilliantEarth

Art Deco diamond cluster ring. Set with a central cushion shape old cut diamond in an open back grain set millegrain box collet with a weight of 0.70 carats, encircled by a cluster of fourteen round old single cut diamonds in open back grain settings with fine rubover millegrain edging and a combined weight of 0.40 carats. The total approximate diamond weight is 1.10 carats, to an elegant octagonal cluster form with intricate openwork and tapered supportive shoulders, with a geometric…

Art Deco diamond cluster ring. Set with a central cushion shape old cut diamond in an open back grain set millegrain box collet with a weight of 0.70 carats, encircled by a cluster of fourteen round old single cut diamonds in open back grain settings with fine rubover millegrain edging and a combined weight of 0.40 carats. The total approximate diamond weight is 1.10 carats, to an elegant octagonal cluster form with intricate openwork and tapered supportive shoulders, with a geometric…

ART DECO DIAMOND JABOT PIN, CIRCA 1925.

ART DECO DIAMOND JABOT PIN, CIRCA 1925.

Platinum Edwardian 1.16ct European Cut Diamond & Sapphire Ring J VS2 certificate on Etsy, $13,500.00

Platinum Edwardian 1.16ct European Cut Diamond & Sapphire Ring J VS2 certificate on Etsy, $13,500.00

An Art Deco sapphire and diamond panel ring

An Art Deco sapphire and diamond panel ring

The ring features an emerald-cut diamond measuring 13.42 x 10.66 x 7.06 mm and weighing 8.76 carats, enhanced by trapezoid-shaped diamonds weighing a total of approximately 0.50 carat, accented by baguette-cut diamonds weighing a total of approximately 0.10 carat, set in platinum

The ring features an emerald-cut diamond measuring 13.42 x 10.66 x 7.06 mm and weighing 8.76 carats, enhanced by trapezoid-shaped diamonds weighing a total of approximately 0.50 carat, accented by baguette-cut diamonds weighing a total of approximately 0.10 carat, set in platinum

Platinum Art Deco Engagement or Cocktail Ring at 1stdibs

Platinum Art Deco Engagement or Cocktail Ring

Platinum Art Deco Engagement or Cocktail Ring at 1stdibs