A sapphire and diamond cluster ring, by Cartier

A sapphire and diamond cluster ring, by Cartier <BR> The oval sapphire within a brilliant-cut diamond surround <BR> Signed Cartier and No. 6954 31 <BR> <I>Accompanied by report No. 31689 dated <B>22nd April 1998</B> from the SSEF Swiss Gemmological Institute stating that the sapphire weighing approximately 3.0 carats showed no indications of thermal treatment, origin: Sri Lanka</I> <BR>