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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 £10,860 GBP
₹1,385,866 INR
As of November 1, 2026
Save £8,789 GBP (45%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £19,650 GBP 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 £10,860 to £19,650, a £8,789 spread on the same certified stone. MOH London lists it at £19,650. 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: £19,650 GBP|Low: £10,835 GBP|High: £19,887 GBP|Avg: £14,309 GBP|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 2£10,860 GBP
Retailer 7£12,767 GBP
Retailer 4£13,077 GBP
Retailer 8£13,572 GBP
Retailer 3£13,778 GBP
Retailer 6£14,694 GBP
Retailer 5£16,310 GBP
MOH London£19,650 GBP

28 data points across 8 retailers

15 retailers£10,860 GBP to £19,650 GBP

A
Cheapest Retailer
-
£10,860 GBP
₹1,385,866 INR
A
Retailer 2
-
£12,608 GBP
$16,894 USD
View
A
Retailer 3
-
£12,767 GBP
$17,106 USD
View
A
Retailer 4
-
£13,077 GBP
View
A
Retailer 5
-
£13,572 GBP
$18,185 USD
View
A
Retailer 6
-
£13,778 GBP
View
B+
Retailer 7
-
£13,888 GBP
$18,608 USD
View
B+
Retailer 8
-
£14,583 GBP
$19,539 USD
View
A
Retailer 9
-
£14,694 GBP
€18,751 EUR
View
B+
Retailer 10
-
£15,045 GBP
$20,159 USD
View
B+
Retailer 11
-
£15,437 GBP
$20,684 USD
View
B+
Retailer 12
-
£15,624 GBP
$20,934 USD
View
B+
Retailer 13
-
£16,310 GBP
ZAR 353,046 ZAR
View
B+
Retailer 14
-
£17,824 GBP
$23,882 USD
View
Most Expensive
B+
MOH London
660AF89D9 · Nov 1
£19,650 GBP
View
14 more retailers have this diamond
Prices start from £10,860 GBPSave up to £8,789 GBP

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
£10,860 GBP