This one is super bright with plenty of red against a dark matrix. It has a couple of small places on the sides that will be covered once inside your next epic pendant.
It measures 21.3 x 13.5 x 3.5 mm and weighs 7 carats
https://youtube.com/shorts/M_LBQ0Bv5D8?si=9eHjmTdckSKQZz-g