Inner Diameter is 0.28 Inch. Outer Diameter is 0.38 Inch
Can be fit with 6.50 MM (1.00 CT) Each Round Cut Center Diamond.
Satisfaction Guaranteed. Return or exchange any order within 30 days.
All our diamonds are conflict free.. Gemstone : Diamond
Dazzlingrock 90 Day Warranty - We stand behind our products. If you lose an accent stone or your setting is damaged during NORMAL wear, we will fix it for FREE. Please read our About us page for more info