Brighter Within the Same Grade
RAGAZZA uses the leading DAII™ Diamond Artificial Intelligence Index to analyze 16 data points across proportion, cut and optical performance, identifying round diamonds with up to 20% higher brilliance even within the same 4C grade and similar price range.
Lab-grown diamond High 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｜Authority in Diamond Grading
GIA (Gemological Institute of America) is one of the world’s most recognized diamond grading institutions, known for strict and consistent standards.
RAGAZZA Premium engagement rings use carefully selected GIA-certified lab-grown diamonds, focusing on colorless appearance, eye-clean clarity, and excellent cut, polish and symmetry — ideal for proposals, engagement rings and important anniversary jewelry.
IGI (International Gemological Institute) is an internationally recognized grading institution, widely used in the lab-grown diamond market.
RAGAZZA Standard diamond jewelry uses selected IGI-certified lab-grown diamonds, focusing on near-colorless appearance, slight inclusions and good cut performance — ideal for everyday wear with refined style and practical value.
Diamond shown in the video illustrate the corresponding grade. Actual diamonds may vary due to individual characteristics.
Diamond shown in the video illustrate the corresponding grade. Actual diamonds may vary due to individual characteristics.
