Colour - the CIBJO colour scale

These tables are part of the CIBJO rules and are based on
the master stones officially recognised on 27th April 1978.
For comparison the G.I.A. terms are also shown

Under 0.47ct 0.47ct and over G.I.A
Exceptional
White Exceptional White +
Exceptional White D
E
Rare White
Rare White +
Rare White F
G
White White H
Slightly Tinted White Slightly Tinted White I
Slightly Tinted White J I
J
Tinted White Tinted White K
Tinted White L K
L
Tinted Colour Tinted Colour M
Z
Fancy Diamond Fancy Diamond Fancy

OPEN DAY GIA

GIA London opens its doors to visitors.
We would like to welcome you to

OPEN DAY

Come and visit the School and enter the world of Gemstones, Jewellery Design and Jewellery Business.

What is on?

Free educational talks, book sale and more.

How to Find us?

GIA London Campus
104 Great Russell Street
London WC1B 3LA

Closest Tube: Tottenham Court Road. Take exit No.3 and follow the signs for the British Museum. These will lead you to Great Russell Street. GIA London is at No.104 opposite Bloomsbury Hotel.

The event is free.
RSVP by phone (+44 (0) 207 813 4321) or e-mail us at info@gialondon.co.uk