Large chunk of Apricot YAG. Yttrium aluminum garnet (YAG, Y3Al5O12) Lab created garnet with a RI of 1.833 and 8.5 hardness, making it suitable for everyday jewelry.
YAG is also known for its fabulous dispersion. Surface marks only.
98.16 grams / 490.80 carats / 47 x 32 x 21 mm / clean
Estimate: $300 - $325