Vintage Yves Saint Laurent Arty Ring Green Aventurine Stone Chunky Gold Base

This unusual ring is dominated by a large, rectangular sea foam green/blue aventurine stone set into a chunky, gold tone base of hammered metal with thick sides that thin out toward the band. You can see the bottom of the stone from the interior under-base. Back of ring bears the prominent "Yves Saint Laurent" logo engraved. Interior has a price tag sticker of $425 plus a serial #. Easily removed.

Please note that the stone tilts slightly on its base, as was originally designed.

Measures as a ring size of 5.5
Condition: excellent/like new /no issues to note.
Weight of ring: 46.07 grams or 1.63 oz.
Green stone is 30 x 23 mm (1.25" x .85"). Thickness: 8 mm (.25 "0