gold hart shaped ring with amethyst, citrine or blue topaz

An 18 carat gold ribbed tartelette ring interchangeable set with a ribbed heart shaped citrine, amethyst or a blue topaz, the ring opens with a diamond set button and has a beautiful open worked honey comb structure on the inside of the shank, master mark: S & I for Simon & Igal, France.

ring size: 17 mm. / 6.5 US.
weight: 28.11 grams in total, each heart weighs 3 grams
dimensions heart: 14 x 14 mm.
width: 5 – 20 mm