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. ⁠Just waiting for the facets to be laid down!
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11.922 grams / 59.61 carats / 25.1 x 18.5 x 15.1 mm / clean ⁠⁠⁠⁠
irradiated ⁠⁠⁠⁠