Education
Nuclear Reactor Method (7.32)
Nuclear Reactor Method (7.32)The nuclear reactor method obtains a more consistent color throughout the diamond. The major advantage of this method is its capacity. Instead of irradiating a few stones...
Nuclear Reactor Method (7.32)
Nuclear Reactor Method (7.32)The nuclear reactor method obtains a more consistent color throughout the diamond. The major advantage of this method is its capacity. Instead of irradiating a few stones...
The Cyclotron (7.31)
The Cyclotron (7.31)The cyclotron was the first of the irradiation methods to emerge in the early 1940s. In a cyclotron, ionized particles are accelerated to a high energy level by...
The Cyclotron (7.31)
The Cyclotron (7.31)The cyclotron was the first of the irradiation methods to emerge in the early 1940s. In a cyclotron, ionized particles are accelerated to a high energy level by...
Irradiated Diamonds (7.30)
Irradiated Diamonds (7.30)Irradiated diamonds are stones that have been artificially treated to enhance or change a color. These treatments are commonly used on diamonds that have an undesirable tint to...
Irradiated Diamonds (7.30)
Irradiated Diamonds (7.30)Irradiated diamonds are stones that have been artificially treated to enhance or change a color. These treatments are commonly used on diamonds that have an undesirable tint to...
Color Treated Diamonds (7.29)
Color Treated Diamonds (7.29)The term “fancy color” should be reserved for naturally occurring colors. The term should not be used when artificially treated color is involved.
Color Treated Diamonds (7.29)
Color Treated Diamonds (7.29)The term “fancy color” should be reserved for naturally occurring colors. The term should not be used when artificially treated color is involved.
Rare Colors (7.28)
Rare Colors (7.28) Diamonds do occur in every color of the spectrum but some are extremely rare. Intense green, red and blue for example are almost unheard of, but are occasionally...
Rare Colors (7.28)
Rare Colors (7.28) Diamonds do occur in every color of the spectrum but some are extremely rare. Intense green, red and blue for example are almost unheard of, but are occasionally...
HPHT Treatment (7.40)
HPHT Treatment (7.40)General Electric and LKI (Lazare Kaplan, Inc.) developed the method of HPHT (high pressure high temperature) to lighten or intensify color in natural diamonds -- type IIa browns...
HPHT Treatment (7.40)
HPHT Treatment (7.40)General Electric and LKI (Lazare Kaplan, Inc.) developed the method of HPHT (high pressure high temperature) to lighten or intensify color in natural diamonds -- type IIa browns...