New York
Enquire ↗JJ International · Since 1994
Extraordinary natural diamonds, transformed into pieces of lasting beauty by a house devoted to colour.
Bold scale, rare combinations and uncompromising craftsmanship for collectors of the exceptional.
Private consultation ↗creations
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Exceptional stones and singular designs selected from beyond our three defining collections.
“Colour is not an accent.
It is the soul of the jewel.”
Pure forms composed around exceptional colour. Timeless pieces, made unmistakably JJ.
Our designers begin with the diamond—not a drawing. Every angle, setting and proportion is considered to protect its rarity and reveal its most vivid expression.
For more than three decades, JJ International has specialised in the world’s rarest natural fancy colour diamonds. Every jewel begins with the character of its stone—its hue, fire and singular presence.
Diamond-set watches where fine mechanics meet the unmistakable brilliance of JJ International.
Private appointments
Speak with our specialists about an exceptional stone, a signature piece or a one-of-a-kind creation.