Diamond science

Antique Diamond Cuts
Antique cuts       An antique cut does not imply "old." In fact, most "antique"...
A Complete Guide to Diamond Certification
A Complete Guide to Diamond Certification   Leon Mege is an honest jeweler. We offer only G...
True Antique™ Cushion Cut
True Antique™ Cushion Cut     What makes a True Antique™ Cushion Diamond so exclusi...
HCA Trap
HCA Trap   HCA score calculator is a dumbed-down version of a diamond cut evaluation: a hig...
ASET scam
ASET scam   ASET test is NOT a scientific breakthrough, it's sales gimmick of the worst kin...
Diamond Math: 4C's
Diamond Math: 4C's + Confidence = Five C's   4C's   |  Cut   |  Clarity &...
Diamond Cut
Diamond Cut Grade   4C's   |  Cut   |  Clarity   |   Color &nbs...
Swords and Shields
Swords and Shields   Regarding the use of the term Hearts and Arrows: The hearts and arrow...
Sourcing Diamonds from Leon Mege
Spend LESS, not more, on your perfect diamond Sourcing your stone directly through Leon Mege will s...
Sourcing diamonds overseas
Sourcing diamonds overseas   New York is the center of the Universe. It’s also the capital ...
Fluorescence
Fluorescence   According to GIA research, up to 35% of all diamonds in the world fluoresc...
Diamond Color
Fifty Shades of a White Diamond   4C's   |  Cut   |  Clarity   | &n...
Diamond Clarity
Transparency of a Diamond   4C's   |  Cut   |  Clarity  |   Co...
Diamond Side Stones
Side stones   Matched pairs of stones are used to accent a center stone in a three/five sto...
Modern Diamonds
Modern Diamonds   Emerald Cut The supreme elegance of an emerald cut cannot be disputed. I...
Diamond Carat Weight
Karat or Carrot? Neither, it's Carat   4C's   |  Cut   |  Clarity   ...
Diamond "Blood" Types
Diamond "Blood" Types   Just like a blood type for humans, diamonds have 4 distinct group...
Carbonado
Carbonado   A “Black Diamond” is a natural polycrystalline aggregate of minute graphite and...
Diamond Stand-ins
Diamond Stand-ins   Breaking with the custom of a diamond ring is usually done under the gu...
Famous Diamonds
Famous Diamonds   Until the advent of the modern round cut in the early 1900's, almost all ...