The Polygon "Popular Diamond" report is a report that provides a snapshot of the most researched diamonds on CertNetDiamond Database using the 4Cs combinations: Cut, Carat, Color and Clarity and then looking at each of the 4Cs independently.

The search activity will be expressed as a percentage of overall searches and the Supply as a percentage of overall items listed in the CertNet —Diamond Database. The data was compiled during a four-week period in September 2011.

CertNet—Diamond Database is the jewelry industry’s largest online database of loose wholesale diamonds, with approximately 350,000 line items with a wholesale value in excess of $3 billion dollars.

Polygon is the largest Internet marketplace dedicated exclusively to industry professionals. Thousands of buyers and sellers across more than 20 countries use Polygon to buy and sell jewelry products.

 

Polygon is the jewelry industries largest e-marketplace. Every day, thousands of Polygon members buy and sell diamonds, jewelry, colored stones and watches on our network.

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Shape
 

Round
Round
Round
Round
Round
Princess
Round
Round
Round
Round
Princess
Princess
Cushion
Cushion
Princess
Cushion
Princess
Round
Princess
Round

Carat
 

1.00-1.25
1.50-1.99
2.00-2.99
.50-.69
1.26-1.49
1.00-1.25
.70-.79
3.00-3.99
.90-.99
.80-.89
1.50-1.99
2.00-2.99
1.50-1.99
2.00-2.99
.70-.79
1.00-1.25
.50-.69
.38-.45
1.26-1.49
4.00-4.99

Color
 

G
G
G
H
G
G
H
H
G
G
G
G
G
G
H
G
H
G
H
H

Clarity
 

SI1
SI1
SI1
SI1
SI1
SI1
SI1
SI1
SI1
SI1
SI1
SI1
VS2
VS2
SI1
SI1
SI1
SI1
SI1
SI1

% of
Searches

3.33%
2.49%
2.06%
1.12%
1.10%
0.87%
0.74%
0.65%
0.65%
0.57%
0.51%
0.46%
0.39%
0.35%
0.33%
0.33%
0.32%
0.30%
0.29%
0.29%

% of
Supply

0.36%
0.19%
0.17%
0.18%
0.06%
0.06%
0.14%
0.05%
0.08%
0.05%
0.02%
0.02%
0.04%
0.06%
0.01%
0.12%
0.01%
0.06%
0.01%
0.02%

Ave. Price
per Carat

$5,561.48
$7,509.36
$9,298.61
$2,148.73
$6,321.33
$3,094.82
$3,080.67
$10,324.89
$4,309.04
$3,676.99
$4,985.00
$6,285.83
$6,045.16
$8,635.97
$1,935.98
$3,353.36
$1,381.04
$1,600.78
$2,971.60
$13,354.03

Asscher
Baguette
Cushion
Emerald
Half Moon
Heart
Marquise
Old European
Old Miner
Oval
Pear
Princess
Radiant
Round
Trapezoid
Triangular
% of
Searches


1.41%
0.01%
6.07%
4.16%
0.04%
0.56%
2.73%
0.51%
0.10%
3.61%
2.39%
14.80%
4.11%
59.01%
0.08%
0.39%
% of
Supply


1.45%
0.14%
7.04%
4.93%
0.26%
1.58%
3.88%
0.43%
0.08%
4.02%
12.19%
5.03%
5.54%
52.19%
0.26%
0.79%
Ave. Price
per Carat


$6,147.61
$2,108.80
$4,864.40
$5,058.58
$1,859.36
$3,818.75
$2,877.33
$3,580.57
$3,005.79
$3,889.78
$3,404.51
$4,002.04
$5,282.81
$5,183.35
$2,171.42
$2,312.03
IF
FL
VVS1
VVS2
VS1
VS2
SI1
SI2
SI3
I1
I2
I3
% of
Searches


2.69%
2.27%
4.33%
5.28%
12.05%
20.56%
26.22%
17.78%
2.92%
4.98%
0.80%
0.11%
% of
Supply


3.32%
0.02%
5.98%
8.05%
16.52%
18.55%
19.76%
18.16%
3.94%
4.54%
0.81%
0.13%
Ave. Price
per Carat


$8,621.20
$29,318.01
$5,805.55
$5,717.89
$5,368.80
$5,119.16
$4,245.11
$3,725.71
$2,350.96
$2,196.82
$1,584.70
$738.23
D
E
F
G
H
I
J
K+
% of
Searches


8.76%
10.19%
15.92%
20.95%
19.87%
13.52%
5.77%
5.03%
% of
Supply


10.88%
13.64%
15.41%
16.49%
14.11%
10.55%
6.17%
7.58%
Ave. Price
per Carat


$5,322.52
$4,787.53
$5,105.95
$5,061.58
$4,706.61
$4,355.97
$3,906.11
$2,270.55
<0.30
.30-.37
.38-.45
.46-.49
.50-.69
.70-.79
.80-.89
.90-.99
1.00-1.25
1.26-1.49
1.50-1.99
2.00-2.99
3.00-3.99
4.00-4.99
5.00-5.99
>=6.00
% of
Searches


1.40%
1.56%
1.90%
1.09%
7.10%
5.66%
4.05%
4.78%
22.64%
7.24%
17.12%
15.16%
5.85%
1.85%
1.54%
1.06%
% of
Supply


2.82%
6.47%
5.21%
1.45%
12.54%
9.78%
2.82%
5.82%
25.36%
3.79%
9.91%
8.53%
2.97%
1.18%
0.85%
0.51%
Ave. Price
per Carat


$1,791.27
$1,984.32
$2,089.40
$1,953.16
$2,473.51
$2,956.70
$3,123.08
$3,464.77
$4,483.73
$5,718.73
$6,353.64
$8,006.62
$12,268.46
$14,706.30
$18,464.94
$21,868.91