20CT Diamond Riviera NecklaceRiviera necklaces offer full coverage graduation with stones that increase in size toward the center for a balanced silhouette. Round brilliant diamonds totaling 20ct are well set in refined three prong settings to ensure consistent light exposure. Milestone anniversaries or formal black tie events are suitable occasions for a piece of this quality. Visit one of our showrooms or book an appointment in Nashville or Brentwood, Tennessee, Louisville,