Loose Gemstones For Sale

All Gems are from the private inventory of Donald K. Hall, Manufacturing Jeweler and has been stored in Bank Vaults, unavailable to the public for over 25 years.

Body Tone
... Central to the nomenclature is the description of body tone. Body tone is the base color of the stone, without taking the play of color into account. Under the new nomenclature, all tones from black to white are assigned a value from N1 to N9.

 

Brightness of Fire
... The other criterion is the brightness of the fire. Brightness is graded on a scale of 1 to 5.

Level:	Name:	Description:
1	Faint	Shows a little play of color only under direct sunlight, none under low light
2	Dull	Shows some color under low light, but is dull even under indirect sunlight
3	Bright	Shows fair color under low light and very nice fire under indirect sunlight
4	Very Bright	Shows good color under low light and sharp crisp color under indirect sunlight
5	Brilliant	Shows exceptionally bright crisp color in all lighting situations

All information and artwork is Copyright © 1997/2011 by
 Promotion Consulting and Marketing Corp. Hawaii Art Gallery, and  Donald K. Hall