Shop our selection of Asscher Cut, Internally Flawless diamonds to build a unique engagement ring. All Ritani diamonds have been analyzed by the GIA or AGSL, reputable third-party agencies that provide their own detailed grading reports. Start with a diamond here, or take a different approach and start with a ring setting, such as a simple, elegant solitaire or an Art Deco-inspired diamond halo. For professional advice on your purchase, contact our expert virtual gemologist service or our customer service team. You can preview your diamond, unique engagement ring, or wedding band at one of our local jeweler partners, located all across the US.