Round Cabochon 4-Prong Basket Pendant Semi-Set MountingThis pendant semi set mounting is accompanied a I1 GH natural diamond melee. These high quality semi polished settings are intended for cabochon stones and require with proper tools and skills to set and finish. Semi polished blank setting only, Primary stone shape: Round cabochon, Available stone size: 4mm 12mm, Primary Stone Size Approx. Chain Passage ID Semi Set CTW 4 mm 3. 2x2. 3 mm 0. 015 CTW 5 mm 3. 5x2. 6 mm 0. 02 CTW 6 mm 3. 8x2. 9 mm 0. 025