ROUND DIAMONDS
SHAPE
SIZE COLOR CLARITY $/CARAT
%RAP LOT PRICE
CITY
HOUSE
LOT # DATE
NOTES
2.00-2.99 CT.
Round brilliant 2.41
D VVS1
$19,172
-36%
$93,750
New York
Christie's
197 29-Jul-20
Diamond studs. Diamonds
have excellent cut, polish and
symmetry
Round brilliant 2.48
D VVS1
$19,172
-36%
3.00-3.99 CT.
Round brilliant 3.20 D
IF
$30,394
-46% $97,260
Hong Kong Christie's
1813 9-Jul-20
Monture Cartier
diamond ring
Round brilliant 3.11
E
VVS1
$17,042
-58% $53,000
Geneva
Christie's
124 22-Jul-20
Round brilliant 3.01
E
VS1
$15,079
-51% $45,388
Hong Kong Christie's
1847 9-Jul-20 Diamond has excellent cut,
polish and symmetry
4.00-4.99 CT.
Round brilliant 4.35
E
VS2
$18,678
-47% $81,250
New York
Christie's
134 29-Jul-20
Harry Winston diamond
necklace
5.00 CT. +
Round brilliant 5.53
D
IF
$76,096
-28% $420,810
Hong Kong Christie's
1851
9-Jul-20
Diamond is type IIa with
excellent polish
Round brilliant 5.82
D
VS1
$27,713
-57% $161,288
Hong Kong Sotheby's
1732 10-Jul-20 Diamond has excellent cut,
polish and symmetry
Round brilliant 5.15
E
VS2
$22,033
-55% $113,470
Hong Kong Christie's
1823 9-Jul-20
Round brilliant 5.04
G
VS2
$18,421
-50%
$185,500
Geneva
Christie's
62 22-Jul-20
Diamond earrings with
diamond surmounts
Round brilliant 5.03
G
SI1
$18,421
-29%
Round brilliant 5.06
I
VS2
$13,587
-41% $68,750
New York
Christie's
155 29-Jul-20
Round brilliant 6.70 K
VS1
$8,396
-48% $56,250
New York
Christie's
243 29-Jul-20
Diamond ring and
eternity band
Round brilliant 7.87
J
I1
N/A
N/A $50,000
New York
Christie's
153 29-Jul-20 Diamond ring with diamond
surround
Round brilliant 7.67
O-P
SI2
$3,995
-47% $30,645
Hong Kong Sotheby's
1679 10-Jul-20
Round brilliant 9.20 F
VS2
$31,715
-24% $291,779
Hong Kong Christie's
1907 9-Jul-20
Round brilliant 9.69
G
VS2
$23,246
-36% $225,250
Geneva
Christie's
80 22-Jul-20
Unmounted diamond
Round brilliant 9.49 Y-Z
VS
$6,288
0% $59,676
Hong Kong Sotheby's
1715 10-Jul-20 Diamond pendant with no
grading certificate
10.00 CT. +
Round brilliant 10.42
D
VS1
$58,306
-40% $607,548
Hong Kong Christie's
1943 9-Jul-20
Van Cleef & Arpels ring.
Diamond has excellent cut,
polish and symmetry
Round brilliant 12.28
H
VS1
$17,305
-68% $212,500
New York
Christie's
61
29-Jul-20 Diamond has excellent cut,
polish and symmetry
Round brilliant 13.14
I
SI1
$12,367
-58% $162,500
New York
Christie's
194 29-Jul-20 Diamond has excellent cut,
polish and symmetry
Round brilliant 15.69 H VVS1
$25,828
-60% $405,248
Hong Kong Christie's
1906 9-Jul-20
AUCTION RESULTS
Below is the pricing data for lots with large white diamonds
and fancy-colored diamonds. Keep in mind that prices at
auction vary greatly, and high prices may reflect private
consumer demand, valuable mountings and side stones, or the
fact that many stones can be improved by recutting.
Price per carat is calculated as lot value divided by the carat
size of major stones, without adjusting for mountings or side
stones. We include the price per carat only for lots in which
the total weight of the side stones is less than 15% of the center
stone’s weight, and when there are no individual side stones of
1 carat or larger. For lots with multiple large stones (such as
earrings), we only include the per-carat price if the stones
are of roughly equal size, color and clarity, and we calculate
that price as total lot value divided by the large stones’ total
carat weight.
The size, shape, color and clarity of each lot is as reported by
the auction house. In the case of in-between colors and clarities,
the lower grade is the one used to calculate percentages of Rap
unless otherwise noted. For white diamonds with a color grade of
N or lower, the percentage of Rap is based on the M-color price
for that size and clarity. Percentages of Rap for all fancy shapes
are based on comparisons with Rapaport pear-shape prices.
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30
SEPTEMBER 2020
DIAMONDS.NET
A U C T I O N
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