1. Historic and Notable Colored Diamonds

  Important diamonds of the world (1938)

  Study of the diamond “Darcy Vargas” (1940)

  Three notable fancy-color diamonds: Purplish red, purple-pink, and reddish purple (1987)

  Grading the Hope diamond (1989)

  The legendary Dresden Green diamond (1990)

  Lab Notes: Large chameleon-type diamond (1992)

  Lab Notes: Color origin of the “Unnamed Brown” diamond (1994)

  Star of the South: A historic 128 ct diamond (2002)

  An important exhibition of seven rare gem diamonds (2003)

  Gem News International: A comparison of three historic blue diamonds (2003)

  Lab Notes: Four blue diamonds from a historic necklace (2004)

  [TOP]

  2. Characterization of Colored Diamonds

  Fancies: Notes on colored diamonds (1935)

  A diamond comparison gauge (1940)

  Color range and form variations in diamonds (1947)

  Minor elements in diamonds and their effect on diamond colors (1957–1958)

  Lab Notes: Notes on fancy colored diamond (1977)

  Lab Notes: And now, diamond (1977–1978)

  The identification of artificial coloration in diamond (1982)

  Pink diamonds from Australia (1985)

  An investigation of a suite of black diamond jewelry (1990)

  Symposium Proceedings: The causes of color in Argyle pink and champagne diamonds (1991)

  Symposium Proceedings: Color effects in natural diamonds (1991)

  Natural-color nonconductive gray-to-blue diamonds (1992)

  Symposium Proceedings: Studies of the pink and blue coloration in Argyle diamonds (1999)

  An investigation into the cause of color in natural black diamonds from Siberia (2003)

  Black diamond with unusual growth structures (2006)

  A gemological study of a collection of chameleon diamonds (2005)

  [TOP]

  3. Color Grading of Colored Diamonds

  Color grading of colored diamonds in the GIA Gem Trade Laboratory (1994)

  Characterizing natural-color type IIb blue diamonds (1998)

  Characterization and grading of natural-color pink diamonds (2002)

  Characterization and grading of natural-color yellow diamonds (2005)

  Lab Notes: Inclusions in diamond that affect body color (1995)

  Lab Notes: Unusual cause of uneven color distribution in diamond (1996)

  Lab Notes: Diamond with “additional” color (1997)

  Lab Notes: Diamond with different color appearances depending on viewing position (1998)

  Lab Notes: Diamond with pseudo-dichroism (2001)

  Lab Notes: Color grade vs. value for fancy-color diamonds (2002)

  Lab Notes: Challenges in recognizing a color attribute’s effect on color grading fancy colors
  (2002)

  [TOP]

  4. Colored Diamonds with Unusual Characteristics

  Green diamonds tested (1937)

  Lab Notes: Determining origin of color in diamonds (1962)

  Symposium Proceedings: The mystery of green diamonds—Ways of identification (1991)

  Lab Notes: Natural-color green diamond (1965–1966)

  Lab Notes: Natural green color with brown “stains” (1976–1977)

  Lab Notes: Green diamonds (1981)

  Lab Notes: Natural-color light green diamonds (1986)

  Lab Notes: Green diamond with natural surface color (1992)

  Lab Notes: Moon-like surface on a crystal (2004)

  Discrimination between natural blue diamonds and diamonds colored blue artificially (1954)

  Lab Notes: Conductivity of blue stones (1959)

  Lab Notes: Construction of conductivity testers (1959)

  Lab Notes: Hope diamond electrically conductive (1960)

  Lab Notes: Audio conduction detector (1960)

  Lab Notes: GIA Conductometer (1960)

  Lab Notes: Blue diamonds (1966–1967)

  Lab Notes: Fancy blue diamond (1985)

  Lab Notes: Highly conductive blue diamond (1991)

  Lab Notes: Naturals prove color origin (1963–1964)

  Lab Notes: Rare light blue diamonds (1967)

  Lab Notes: Type IIb diamond with natural irradiation stains (1991)

  Lab Notes: Blue diamond with unusual inclusions (1993)

  Lab Notes: Zoned blue diamond (2000)

  Lab Notes: Some unusual type II diamonds (2003)

  Lab Notes: Unusual cause of blue color in a diamond (2004)

  Lab Notes: Light blue diamond, with type IIb and IIa zones (2005)

  Lab Notes: Strongly colored natural type IIb blue diamonds (2005)

  Lab Notes: Three pink diamonds (1960)

  Lab Notes: Pink diamond (1960)

  Lab Notes: Pink diamonds (1983)

  Lab Notes: Unusual “pink” diamond (2002)

  Lab Notes: Pink diamonds (1963)

  Lab Notes: Diamond with etched dislocation channels (1992)

  Lab Notes: Brown-pink diamond with “green graining” (1993)

  Lab Notes: Rough with contrasting colors (1997)

  Lab Notes: Rare type IIa pink diamond, with green radiation stains (2004)

  Lab Notes: “Magnetic” natural pink diamond (2004)

  Lab Notes: Characteristic inclusions in fancy-color diamonds (1994)

  Lab Notes: Diamond with abundant etch channels (1999)

  Lab Notes: Diamond with many microscopic carbonate inclusions (2004)

  Lab Notes: Natural yellow diamonds (1961)

  Lab Notes: Unusual diamond spectrum (1962)

  Lab Notes: True canary (1976–1977)

  Lab Notes: Fancy Intense yellow diamond (1990)

  Lab Notes: Two noteworthy stones from the Americas (1997)

  Lab Notes: Brown-yellow diamonds with an “amber center” and pink lamellae (2003)

  Gem News International: A natural yellow diamond with nickel-related optical centers (2003)

  Gem News International: An untreated type Ib diamond exhibiting green transmission
  luminescence and H2 absorption (2004)

  Gem News International: A natural diamond with very high nickel content (2004)

  Lab Notes: Diamond with natural internal irradiation stain (1985)

  Lab Notes: Fancy Intense yellow diamond with a green irradiation stain (1989)

  Lab Notes: Green surface-colored rough fashioned to a Fancy Light yellow (1991)

  Lab Notes: Grayish yellow diamond (1960)

  Lab Notes: An odd canary diamond (1967)

  Gem News: World’s largest uncut diamond displayed at Smithsonian (1984)

  Lab Notes: Diamond with unusual color zoning (1994)

  Lab Notes: Different colors from the same rough (1996)

  Lab Notes: Orange-brown diamond (1959)

  Lab Notes: Dark greenish brown diamond (1963)

  Lab Notes: Natural brown diamond (1965–1966)

  Lab Notes: Yellow fluorescent diamond (1965–1966)

  Lab Notes: Another unusual diamond (1969–1970)

  Lab Notes: Natural-color brown diamond (1963)

  Lab Notes: Clouds in natural-color brown diamonds (1965)

  Lab Notes: Colored diamond crystal set in a “Renaissance ring” (1992)

  Lab Notes: Fancy-colored rough diamond (1994)

  Lab Notes: Natural type Ib diamond with unusually high nitrogen content (2005)

  Lab Notes: Unusual diamond with a temporary change of color (1959)

  Lab Notes: “Chameleon” diamond (1981)

  Lab Notes: “Chameleon” diamond (1982)

  Lab Notes: Chameleon diamonds, with blue-to-violet “transmission” luminescence (2000)

  Lab Notes: Gray diamond (1962)

  Lab Notes: Weakly conductive diamond (1963)

  Lab Notes: Unusual diamonds (1970)

  Lab Notes: Fancy black diamond (1990)

  Lab Notes: Largest ruby-red diamond (1934)

  Lab Notes: Green, blue, and red diamonds (1965–1966)

  Lab Notes: Bicolored diamond (1970)

  Lab Notes: Rare color—Fancy Intense pinkish orange diamond (1996)

  Lab Notes: Grayish purple diamond (1988)

  Lab Notes: Another purple diamond (1990)

  Lab Notes: Intensely colored type IIa diamonds, with substantial nitrogen-related defects (2003)

  Lab Notes: Seldom seen absorption spectra in diamonds (1980–1981)

  Lab Notes: Light violet-gray diamond (1993)

  Lab Notes: Fancy white diamonds (2000)

  [TOP]

Order Now | Preface | Book Home