Tiffany & Co. Schlumberger 'Sixteen Stone' Diamond and Ruby Ring in 18K Gold and Platinum signed-designer within a pierced gallery set

within a pierced gallery set with old-cut diamonds

Accompanied with a GIA report stating that the round diamond is E color

Each oval earring centering on an east-west bezel-set oval cabochon blue topaz bordered by channel-set citrines

With omegabacks

connected by semi-circle links with clusters of single-cut diamond quartets

Tiffany & Co. Schlumberger 'Sixteen Stone' Diamond and Ruby Ring in 18K Gold and Platinum signed-designer within a pierced gallery setThe 18k yellow gold band set with 8 pairs of round rubies and diamonds, prong set in platinum, interspaced by eight gold 'X' motifs. Signed Tiffany & Co., Schlumberger. Minor surface abrasions on some rubies. The retail price is $17,000.