P R I C E I N D I C AT I O N S F O R
T O
C A R AT D I A M O N D S
Approximate percentage increases from 5-carat
prices for larger sizes*
These indications should only be used as guidelines.
Large stones are very thinly traded, and prices may
vary significantly from dealer to dealer and stone to
stone. Availability of large, better-quality stones may be
limited, and buyers may find that asking prices and/or
transaction prices may be significantly higher or lower than
these price indications. This price information should only
be used as a general indication of the current market.
* Asking price indications are based on Rapaport
Cut Specification A3 or better.
P R I C E I N D I C AT I O N S F O R
B L U E F L U O R E S C E N T D I A M O N D S
The impact of fluorescence on price depends on its noticeability.
In some cases, fluorescence gives the stone a milky-white
appearance, which greatly lowers value. In some instances,
the fluorescence is hardly noticeable and has minimal impact
on the stone’s brilliance. Blue fluorescence gives lower-color
stones a whiter, brighter face-up appearance. Yellow or white
fluorescence is problematic and may require an additional 5%
to 10% discount. Generally, the higher the quality and price per
carat, the more fluorescence lowers value.
In the table below, we present our estimation of the price gap
between nonfluorescent polished round diamonds, and polished
round diamonds that show varying degrees of fluorescence.
The percentages represent the average price difference for
each of the size, color and clarity categories indicated.
CARAT
RAPAPORT
CARAT
RAPAPORT
CARAT
RAPAPORT
CARAT
RAPAPORT
IF-VVS
VS
SI
I1
I2-I3
D-F
0%
0%
7%
5%
5%
G-H
5
5
3
3
3
I-K
5
5
3
3
3
L-M
5
5
3
2
2
IF-VVS
VS
SI
I1
I2-I3
D-F
15%
12%
12%
7%
7%
G-H
15
15
12
7
7
I-K
15
15
12
5
5
L-M
15
15
12
5
5
IF-VVS
VS
SI
I1
I2-I3
D-F
25%
23%
20%
15%
15%
G-H
20
20
20
15
15
I-K
20
20
20
10
10
L-M
20
20
20
10
10
IF-VVS
VS
SI
I1
I2-I3
D-F
30%
25%
25%
20%
20%
G-H
30
25
25
20
20
I-K
30
25
25
15
15
L-M
25
25
25
15
15
THE RAPAPORT PR I CE L I ST I S AL SO AVA I LABL E ONL I NE . YOU CAN SUBSCR I BE AT
D I AMONDS . NE T/SUBSCR I BE
OR CONTACT US AT
S ERV I CE @ D I AMONDS . NE T
A P P R OX I M AT E
C H A N G E S
FROM NONFLUORESCENT
As of January 1, 2020
FAINT
MEDIUM STRONG
0.30 - 0.49 CT.
D-F
IF-VVS2
-9%
-14%
-18%
VS1-VS2
-6%
-9%
-12%
SI1-SI2
-4%
-6%
-8%
G-H
IF-VVS2
-7%
-10%
-13%
VS1-VS2
-5%
-8%
-10%
SI1-SI2
-3%
-5%
-7%
I-K
IF-VVS2
-4%
-5%
-6%
VS1-VS2
-3%
-4%
-5%
SI1-SI2
-2%
-3%
-4%
0.50 - 0.99 CT.
D-F
IF-VVS2
-12%
-18%
-22%
VS1-VS2
-9%
-13%
-17%
SI1-SI2
-6%
-8%
-11%
G-H
IF-VVS2
-9%
-12%
-14%
VS1-VS2
-7%
-10%
-12%
SI1-SI2
-4%
-6%
-9%
I-K
IF-VVS2
-5%
-7%
-9%
VS1-VS2
-4%
-6%
-8%
SI1-SI2
-3%
-5%
-7%
1.00 - 2.99 CT.
D-F
IF-VVS2
-15%
-21%
-25%
VS1-VS2
-12%
-17%
-22%
SI1-SI2
-8%
-13%
-16%
G-H
IF-VVS2
-11%
-14%
-17%
VS1-VS2
-9%
-12%
-15%
SI1-SI2
-5%
-8%
-11%
I-K
IF-VVS2
-6%
-9%
-12%
VS1-VS2
-5%
-8%
-11%
SI1-SI2
-4%
-7%
-10%
A P P R OX I M AT E % I N C R E A S E
OVER 5-CARAT PRICES
SEPTEMBER
DIAMONDS.NET
