A diamond three-stone ring, by Tiffany & Co.

A diamond three-stone ring, by Tiffany & Co.
The central Lucida-cut diamond, weighing 1.63 carats, in claw mount between collet-set Lucida-cut diamond single stones
Signed Tiffany & Co. © 2000 Lucida TM, No. Pat 5970744 et al DC09802
Accompanied by four reports:

No. 11392637 dated January 4th 2001 from the GIA Gem Trade Laboratory stating that the central diamond weighing 1.63 carats is clarity VS2, colour F, fluorescence none, with laser inscription LUCIDA TM;

and No. DC09802/C01230085, DC09802/B12200796 and DC09802/B12200197 from Tiffany & Co. for the three Lucida-cut diamonds stating -
weight 1.63 carats, clarity VS2, colour F;
weight 0.63 carats, clarity VS1, colour F;
weight 0.66 carats, clarity VS1, colour F.