Ideal for new thru advanced faceters. Often, new facters are reluctant to cut rough with cleavage because if it's not oriented correctly it can be a real nightmare.  These are great because they're already oriented and preformed.  Another advantage is that preforms have high yields! ⁠
⁠⁠⁠⁠

2.976 grams / 14.88 carats / 14.2 x x 12.3 x 8.9 mm / clean ⁠⁠⁠⁠
irradiated ⁠⁠⁠⁠
⁠⁠⁠⁠