diamond and south sea pearl ring

Platinum South Sea pearl and diamond cluster ring; featuring a white South Sea pearl surrounded by two rows of prong set round brilliant cut diamonds (18 total) supported on a cage back under gallery. Attached to open split shoulders transitioning down to a two wire shank.
Finger size: 5 1/2 (Can be sized several sizes professional by us )
Creation: hand made
Inscribed: PLATINUM
Circa: 1070's
Birthstone: June - pearl
Gemstones:
18 Matching round brilliant cut diamonds:
estimated total weight: 2.52 ct
Color: G/H
Clarity: Vs1 / Vs2
White South Sea pearl:
Shape: Round
Diameter: 10.75 mm
Gross weight: 6.5 dwt.