Round|Natural|IGI

3.13ct J SI1 Round Natural Diamond

EX • J/SI1 • IGI 737559356

Shape and cutting style on the report: Round brilliant

Certificate IGI 737559356

Diamond specifications and retailer prices

From $18,603 SGD
₹1,385,866 INR
As of November 1, 2026
Save $15,055 SGD (45%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $33,658 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 3.13ct natural round diamond

This 3.13ct natural round sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 737559356. Listed at 15 retailers as of November 1, 2026, with prices from $18,603 to $33,658, a $15,055 spread on the same certified stone. MOH London lists it at $33,658. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.13
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.3°
OriginNatural
Grading LabIGI
CertificateIGI 737559356
Dimensions9.33 × 9.39 × 5.84 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
9.33 mm9.39 mm3.13 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 737559356
Side View
Table 57.0%Crown 34.9°Girdle: MediumPavilion 41.3°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $33,658 SGD|Low: $18,559 SGD|High: $34,064 SGD|Avg: $24,510 SGD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 2$18,603 SGD
Retailer 7$21,868 SGD
Retailer 4$22,400 SGD
Retailer 8$23,248 SGD
Retailer 3$23,600 SGD
Retailer 6$25,170 SGD
Retailer 5$27,938 SGD
MOH London$33,658 SGD

28 data points across 8 retailers

15 retailers$18,603 SGD to $33,658 SGD

A
Cheapest Retailer
-
$18,603 SGD
₹1,385,866 INR
A
Retailer 2
-
$21,597 SGD
$16,894 USD
View
A
Retailer 3
-
$21,868 SGD
$17,106 USD
View
A
Retailer 4
-
$22,400 SGD
£13,797 GBP
View
A
Retailer 5
-
$23,248 SGD
$18,185 USD
View
A
Retailer 6
-
$23,600 SGD
£14,536 GBP
View
B+
Retailer 7
-
$23,788 SGD
$18,608 USD
View
B+
Retailer 8
-
$24,979 SGD
$19,539 USD
View
A
Retailer 9
-
$25,170 SGD
€18,751 EUR
View
B+
Retailer 10
-
$25,771 SGD
$20,159 USD
View
B+
Retailer 11
-
$26,443 SGD
$20,684 USD
View
B+
Retailer 12
-
$26,762 SGD
$20,934 USD
View
B+
Retailer 13
-
$27,938 SGD
ZAR 353,046 ZAR
View
B+
Retailer 14
-
$30,531 SGD
$23,882 USD
View
Most Expensive
B+
MOH London
660AF89D9 · Nov 1
$33,658 SGD
£20,731 GBP
View
14 more retailers have this diamond
Prices start from $18,603 SGDSave up to $15,055 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.13ct Round
$18,603 SGD