Filigree ribbon-designed ring set with large oval amethyst.
Band has been fitted with Fingermate shank, a special hinged shank that can expand up to 2 – 2.5 ring sizes. It makes putting on and removing the ring easy. No need to twist and turn, or force over the knuckle.
A similar mechanism is sold by Stuller under the name Finger Fit for $470 alone.
Fingermate has been around since 1964.
Ring setting for amethyst is 18k yellow gold. Fingermate shank band is 14k yellow gold.
Band marked “Fingermate 14k Pat No 3221514”. Setting not marked but tested to be 18k gold.
Ring size ranges from 5.5 to 7. Weighs 12.3 grams.
Amethyst is about 15mm wide x 20mm long x 11mm deep.
Ring setting in front is about 25mm x 19mm, rising 13mm above the finger.
Band in back is about 4mm wide.
Excellent estate condition. Gently pre-owned.