In addition, Ahluwalia also designed a new engagement ring for Royal Asscher called Legacy in which the signature Asscher cut diamond serves as the center stone of the platinum wave-like ring, with diamonds of different cuts detailing each side of the ring.

FORBES: Royal Asscher Honors its Heritage with Glittering New Jewelry Designs

For enthusiasts of other gemstones, there is an imposing sapphire ring with a luscious stone weighing 41 carats that comes from the estate of Texan art patron Caroline Wiess Law .

FORBES: Blingtime

The frenzy over Pomellato reached a fever pitch outside of Italy in 2001 with the advent of the Nudo, a weighty gold ring with a huge faceted colored stone set like a diamond solitaire.

WSJ: The Cult of Pomellato | Jewelry

The canals that ring the city in tight concentric circles are lined with 3, 000 of them, moored to centuries-old stone quays.

FORBES: Playing the Float