Princess Cut 1.5 Carat Diamonds is the standard and most in demand engagemnet ring stone . 1.50 carat stone is also called 5 grainer stones.
https://shivshambu.net/diamonds/princess-cut/1.5-carat-diamonds
580,5th Avenue, Suite 1136, NY 10036, USA 10036 - New York City, NY 11375
https://sinematic.tv/los-angeles-production-companies/ - New York City, NY 10001
276 Fifth Avenue, Suite 704, New York, NY US 10001 - New York City, NY 10001