Our Trillion cut diamond engagement ring is unique and refined. Set in polished 18k gold this piece features an impressive trillion cut diamond with minimalistic design characteristics and a dainty, elegant demeanor. Note! This ring available in two options for carat weights. Please select which you would prefer. Pictured in the listing is the: ~0.5 ct. 18K solid gold | trillion diamonds Diamond parameters: VS clarity, color E-G, conflict-free.