The Art & Science of Fine Diamonds
From diamond light performance and the 4Cs to precious metallurgy and laboratory certification — make every acquisition with absolute clarity and connoisseur confidence.
Cut: The Engine of Sparkle
Of all the 4Cs, Cut has the single greatest influence on a diamond’s beauty. A diamond with perfect color and clarity will appear lifeless if poorly cut, whereas an Excellent cut stone will refract light with blinding brilliance.
Brilliance: The white light reflected back to the eye.
Fire: The dispersion of white light into flashes of spectral rainbow color.
Scintillation: The play of light and dark sparks created when the diamond moves.
Always Prioritize Cut
Cut decides how much light a diamond returns, more than any other grade. Where a report gives one, look for Excellent or Ideal.
Color (D to Z)
Color measures the absence of hue. The scale starts at D (completely colorless) and progresses down to Z. D, E, and F are the rarest; G through J offer exceptional value because trace warmth is invisible once mounted in gold.
Clarity (FL to I)
Every natural diamond formed billions of years ago under intense subterranean heat and pressure. Flawless (FL) diamonds show no inclusions or blemishes under 10x magnification. VVS and VS grades are usually eye-clean — their inclusions are hard to see without magnification.
Carat Weight
Carat is weight, not physical size (1 ct = 0.20 grams). Because larger rough crystals are exponentially rarer in nature, price increases geometrically with carat weight rather than linearly.
Ready to Find Your Centerpiece?
Browse the Maison du Diamant collection, or tell us about a piece you would like made.