Sterling Silver with 1ct Round Lab Created Moissanite Solitaire Grooved Engagement Anniversary Adjustable Ring. Celebrate your forever romance with this adjustable in size engagement ring featuring a 1ct round brilliant cut lab created moissanite encased in a half bezel with grooves on the shank and has VVS1 clarity and D color. Honor your romantic commitment in modern luxury with this sterling silver engagement ring, perfect for those who love the classic look of solitaire with a unique design.