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J. West Jewelry Designs - By Appointment

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Diamond Quality:  BRILLIANCE, FIRE & SPARKLE


What makes one diamond beautiful and another one dull is the way it reflects and refracts light, better known as the diamond's Light Performance.  Gemologists use imaging spectrophotometer technology to measure a diamond's Brilliance (white light), Fire (color light) and Sparkle (scintillation).

Then they rate each of these three measures compared to other diamonds of the same shape. The scale for each shape was set by measuring thousands of diamonds to determine the highest and lowest amount of Brilliance, Fire and Sparkle possible for each shape.

Premium diamonds have High-Very High ratings, Average diamonds have Medium-High ratings, and Discount diamonds have Low-Medium ratings.


Diamond Light Performance Scale
The diamonds to the right are all within the same 4C's category.
the chart below represents the measurement of the
 bottom diamond (HIGH to VERY-HIGH)


.
BRILLIANCE (White Light)
ι     LOW     ι     MEDIUM     ι      HIGH     ι      VERY HIGH     ι

FIRE (Colored Light)           ι     LOW     ι     MEDIUM     ι      HIGH     ι      VERY HIGH     ι

SPARKLE (Scintillation)     ι     LOW     ι     MEDIUM     ι      HIGH     ι      VERY HIGH     ι

Based on a Spectrophotometer measurement of an actual diamond, but for educational purposes only.



LOW to MEDIUM
MEDIUM to HIGH
HIGH to VERY-HIGH
Diamond Brilliance, Fire & Sparkle Standards
We do NOT sell any diamond with a Brilliance, Fire
 or Sparkle rating less than HIGH.
 
Back to FINE DIAMONDS

Our Diamond Quality Standards
Click each link to learn more about each standard.

Our Diamonds are Well Cut & Proportioned, Graded no lower than "SI2" Clarity or "H" Color, they have NO Fluorescence, minimum Brilliance, Fire & Sparkle rating of "High", Certified only by AGS or GIA,
and they only come from "Conflict Free" sources.


 
 
J. West Jewelry Designs
Independent Custom Jewelry Designer Since 1999
.
8465 KEYSTONE CROSSING, INDIANAPOLIS, IN  46240
By Appointment Only.

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