JR Dunn is an authorized Roberto Coin Jeweler.


From Designer Roberto Coin's "cento" jewelry collection. Cento is Italian for 'hundred' as Roberto Coin has created a diamond like no other, with 100 facets. The result is unparalleled fire and brilliance - the perfect symbol for your perfect love. Many have attempted to imitate these incredible pieces, but none have been able to produce this level of quality. Finished with Roberto’s fiery ruby set inside—his internationally recognized signature.