French Antique 18k Platinum Old Mine Cut Diamond Ring

$3,700.00

French Early Art Deco Old Mine Cut Diamond Ring

A stunning French Early Art Deco diamond ring crafted in 18 karat gold and platinum, showcasing the refined elegance of early 20th-century design. The ring features a beautifully proportioned old mine cushion-cut diamond set within a classic platinum mount, flanked by delicate old mine cut side stones.

French hallmarks are present, including the Eagle’s Head (18k gold) and Dog’s Head (platinum), along with a maker’s mark “J” with pictorial arrow over “B.”

Details

  • Center Diamond: Natural old mine cushion cut

  • Estimated Weight: ~1.20 carat

  • Color / Clarity: K / SI2

  • Culet: Small to medium

  • Fluorescence: Medium blue

  • Side Diamonds: Old mine cut, approx. 0.10 cttw

  • Metal: 18k gold and platinum

  • Total Weight: 4.1 grams

  • Origin: France, Early Art Deco period (circa 1920s)

A beautiful example of French craftsmanship, with the soft faceting and romantic glow characteristic of antique old mine cut diamonds.

French Early Art Deco Old Mine Cut Diamond Ring

A stunning French Early Art Deco diamond ring crafted in 18 karat gold and platinum, showcasing the refined elegance of early 20th-century design. The ring features a beautifully proportioned old mine cushion-cut diamond set within a classic platinum mount, flanked by delicate old mine cut side stones.

French hallmarks are present, including the Eagle’s Head (18k gold) and Dog’s Head (platinum), along with a maker’s mark “J” with pictorial arrow over “B.”

Details

  • Center Diamond: Natural old mine cushion cut

  • Estimated Weight: ~1.20 carat

  • Color / Clarity: K / SI2

  • Culet: Small to medium

  • Fluorescence: Medium blue

  • Side Diamonds: Old mine cut, approx. 0.10 cttw

  • Metal: 18k gold and platinum

  • Total Weight: 4.1 grams

  • Origin: France, Early Art Deco period (circa 1920s)

A beautiful example of French craftsmanship, with the soft faceting and romantic glow characteristic of antique old mine cut diamonds.