Presidium SDS II Synthetic Diamond Screener Graver Sharpener Crocker Style Stone Size (mm): 12-12

Stone Size (mm): 12-12

6" x ¾" Very Fine (3 Lap)

Diameters of Crowns

9 (G25 to G20)

Presidium SDS II Synthetic Diamond Screener Graver Sharpener Crocker Style Stone Size (mm): 12-12Presidiums Synthetic Diamond Screener II (SDS II) is a portable desktop diamond verification instrument developed to help screen out Type IIa colourless diamonds from Type Ia colourless diamonds. It is suitable for both loose and mounted stones (with an open back setting), including melees as small as 0. 02ct. The Presidiums Synthetic Diamond Screener II (SDS II) uses advanced technology that measures a diamonds UV light transmittance ability. Easy to