- A diamond, pearl and stone size gauge
- A lightweight, pocket-sized jeweller's tool
- Includes size guides and metric carats and grains
- 17 diamond sizes from 1/64 - 6.0 (0.016 - 6.15 metric carats)
- 20 pearl sizes from 1/2 - 40 (0.518 - 41.06 metric grains)
- Dimensions: 100 x 64mm
