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3.13ct J SI2 Round Natural Diamond

EX • J/SI2 • IGI 750528325

Shape and cutting style on the report: Round brilliant

Certificate IGI 750528325

Diamond specifications and retailer prices

From £12,037 GBP
$16,128 USD
As of October 30, 2026
Save £6,587 GBP (35%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £18,624 GBP at MOH London · As of October 29, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 750528325. Listed at 13 retailers as of October 29, 2026, with prices from £12,037 to £18,624, a £6,587 spread on the same certified stone. MOH London lists it at £18,624. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 750528325
Dimensions9.36 × 9.39 × 5.81 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
9.36 mm9.39 mm3.13 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 750528325
Side View
Table 57.0%Crown 34.3°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.9%

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: Oct 30
Current: £18,624 GBP|Low: £11,931 GBP|High: £18,748 GBP|Avg: £14,609 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 7£12,037 GBP
Retailer 10£12,095 GBP
Retailer 6£13,093 GBP
Retailer 8£13,966 GBP
Retailer 12£14,184 GBP
Retailer 2£14,392 GBP
Retailer 4£14,551 GBP
Retailer 11£14,730 GBP
Retailer 3£14,920 GBP
Retailer 5£16,049 GBP
Retailer 9£16,804 GBP
MOH London£18,624 GBP

32 data points across 12 retailers

13 retailers£12,037 GBP to £18,624 GBP

A
Cheapest Retailer
-
£12,037 GBP
$16,128 USD
A
Retailer 2
-
£12,095 GBP
$16,206 USD
View
A
Retailer 3
-
£13,093 GBP
$17,543 USD
View
B+
Retailer 4
-
£13,966 GBP
$18,713 USD
View
B+
Retailer 5
-
£14,184 GBP
$19,005 USD
View
A
Retailer 6
-
£14,392 GBP
€18,366 EUR
View
B+
Retailer 7
-
£14,551 GBP
$19,496 USD
View
B+
Retailer 8
-
£14,730 GBP
$19,736 USD
View
Retailer 9
-
£14,730 GBP
$19,736 USD
View
Price last confirmed 55 days ago
B+
Retailer 10
-
£16,049 GBP
View
Retailer 11
-
£16,804 GBP
$22,515 USD
View
Price last confirmed 63 days ago
B+
Retailer 12
-
£16,804 GBP
$22,515 USD
View
Most Expensive
B+
MOH London
FA4BDB083 · Oct 29
£18,624 GBP
View
12 more retailers have this diamond
Prices start from £12,037 GBPSave up to £6,587 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
£12,037 GBP