The Freeport - Antique GIA NO Heat Yellow Sapphire Diamond Platinum Ring

An incredible antique ring featuring a 1.57 carat older cushion cut natural unheated yellow sapphire in the center surrounded with a halo of old european cut diamonds set halo style in platinum. The yellow sapphire is accompanied with a GIA sapphire report. This stunning ring can be worn as a fabulous fashion piece or as an incredible gemstone engagement ring. Estimated first quarter of the 20th century

Metals: tested platinum
Gemstones: Sapphire - weight 1.57 carats, measurements 7.62x5.81x3.22mm, shape cushion, cutting style modified step cut, transparency transparent, color yellow, variety natural sapphire, treatments - no indications of heating; Diamonds - nine old european cuts plus one round brilliant cut ( a later replacement) with total diamond weight 1.00 carat by formula, stones are approximately 3mm each estimated color I-J/clarity I, two stones have chips only visible with magnification. Diamonds measured and graded while set subject to mounting limitations

Measurements: ring top 15.8x13.4mm , shank is 2.1mm wide

Ring Size: 7.25

Hallmarks: unmarked, tested platinum gold with nitric acid

Total Weight: 4.9g

Other items included: lovely ring box, GIA sapphire report

Condition: item in fine estate condition

SKU: JA4064