Even a lower-carat diamond with an excellent cut can appear larger and more dazzling ... carat weights (e.g., 0.90 carats instead of 1.00) often cost significantly less while appearing nearly ...

By value, these imports plunged 39% to $664 million last year from $1.093 billion in 2023. The average price of Russian diamonds imported by India fell 28% to $115.70 per carat in 2024 from $160.70 ...

Since the 1940s, when the Gemological Institute of America (G.I.A.) introduced the 4C’s (color, clarity, cut and carat) as the standard to grade and price diamonds, consumers have been trained ...