This 18k white gold pendant has a 0.98ct Santa Maria aquamarine that measures 7.96mm by 5.82mm. The oval Aquamarine has a halo of diamonds with a double row of vertical diamonds that has a total weight of 0.31ct. This has a hiudden bail that opens up with a clip-on style and safety catch that can accomidate most size chains. The bail measures 8mm.