Ragazza lab-grown diamonds bring elegance into the everyday while adding timeless radiance to life’s defining moments.
Two curated grades reveal the art of light in its refined layers.
STANDARD Grade – Daily Edit
IGI Certified, designed for daily wear and elegance. All RAGAZZA Standard Grade Lab Diamonds are certified by the International Gemological Institute (IGI), one of the world’s most recognized and widely adopted laboratories. With flexible value positioning, they are well-suited for everyday use while retaining refined beauty.
PREMIUM Grade – Defining Moments
Exclusively GIA Certified, crafted for commitments and life’s most meaningful occasions. The RAGAZZA Premium Grade Lab Diamonds collection features only diamonds graded by the Gemological Institute of America (GIA), the most trusted authority in diamond evaluation. Its rigorous standards ensure consistency, reliability, and excellence.
Our Standard selection spec
Nearly colorless
Very slightly inclusions
Cut at a very good standard
For everyday pieces, the Standard range provides clear, balanced brilliance at a thoughtful budget.
Our Premium selection spec
Absolutely colorless
Near flawless
Top cut, polish, symmetry
Created for engagement rings, wedding jewelry, and milestone celebrations, Premium represents the highest standard of quality and enduring significance.
Explore Our Lab-Grown Diamonds by Shape
With your gentle touch, step into a world of starlit splendor.
Cushion Cut
Oval Cut
Round Cut
Asscher Cut
Pear Cut
Heart Cut
Emerald Cut
Marquise Cut
Princess Cut
RAGAZZA Lab-diamond Jewelry
Facets carved through precise cuts meet the refined texture of 18K gold, creating lab-grown diamond jewelry of distinctive brilliance. Each piece conducts light with artistry, orchestrating a dance of radiance that defines modern luxury.
GIA Certified Lab-Grown Diamonds
Defining Standards, Ensuring Trust
A GIA-certified lab-grown diamond signifies it has passed the rigorous grading of the world’s leading gemological authority. Each report clearly states the diamond’s carat, color, clarity, and cut, applying standards recognized as the industry’s benchmark.
