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3.23ct J SI2 Round Natural Diamond

EX • J/SI2 • IGI 569311358

Shape and cutting style on the report: Round brilliant

Certificate IGI 569311358

Diamond specifications and retailer prices

From £13,080 GBP
$17,526 USD
As of October 30, 2026
Save £7,159 GBP (35%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £20,239 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 3.23ct natural round diamond

This 3.23ct 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 569311358. Listed at 12 retailers as of October 29, 2026, with prices from £13,080 to £20,239, a £7,159 spread on the same certified stone. MOH London lists it at £20,239. 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

3.23
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.8°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 569311358
Dimensions9.42 × 9.45 × 5.87 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
9.42 mm9.45 mm3.23 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 569311358
Side View
Table 57.0%Crown 34.8°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.2%

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: £20,239 GBP|Low: £12,912 GBP|High: £20,374 GBP|Avg: £15,889 GBP|+0.4%
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£13,080 GBP
Retailer 9£13,082 GBP
Retailer 6£14,228 GBP
Retailer 8£14,940 GBP
Retailer 11£15,414 GBP
Retailer 2£15,641 GBP
Retailer 4£15,817 GBP
Retailer 12£16,007 GBP
Retailer 3£16,214 GBP
Retailer 5£17,441 GBP
Retailer 10£18,261 GBP
MOH London£20,239 GBP

34 data points across 12 retailers

12 retailers£13,080 GBP to £20,239 GBP

A
Cheapest Retailer
-
£13,080 GBP
$17,526 USD
A
Retailer 2
-
£13,082 GBP
$17,529 USD
View
A
Retailer 3
-
£14,228 GBP
$19,064 USD
View
B+
Retailer 4
-
£14,940 GBP
$20,018 USD
View
B+
Retailer 5
-
£15,414 GBP
$20,653 USD
View
A
Retailer 6
-
£15,641 GBP
€19,959 EUR
View
B+
Retailer 7
-
£15,817 GBP
$21,193 USD
View
B+
Retailer 8
-
£16,007 GBP
$21,447 USD
View
B+
Retailer 9
-
£17,441 GBP
View
Retailer 10
-
£18,261 GBP
$24,468 USD
View
Price last confirmed 62 days ago
B+
Retailer 11
-
£18,261 GBP
$24,468 USD
View
Most Expensive
B+
MOH London
F2CA7A156 · Oct 29
£20,239 GBP
View
11 more retailers have this diamond
Prices start from £13,080 GBPSave up to £7,159 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
3.23ct Round
£13,080 GBP