—The Crescendo Collection A harmony of tapering lines and floating diamonds. The Asscher Crescendo Flare Ring is crafted of polished 18 karat gold. The piece wraps around the finger and showcases a 0.25ct asscher cut emerald with a sideways band. 0.25ct Colombian Muzo Emerald Available in Yellow Gold, White Gold — Handcrafted in Los Angeles, California. Given the nature of the open ring design, this ring cannot be resized. Please confirm your ring size before placing your order.