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Round|Natural|GIA

3.20ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1558401641

Certificate GIA 1558401641

Diamond specifications and retailer prices

From £15,315 GBP
$20,520 USD
As of October 30, 2026
Save £10,843 GBP (41%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £26,158 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 3.2ct natural round diamond

This 3.2ct 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 GIA 1558401641. Listed at 10 retailers as of October 29, 2026, with prices from £15,315 to £26,158, a £10,843 spread on the same certified stone. MOH London lists it at £26,158. 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

3.20
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1558401641
Dimensions9.43 × 9.36 × 5.77 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather, Cloud, Knot, Needle
Top View
9.43 mm9.36 mm3.20 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1558401641
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 61.4%

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: Oct 30
Current: £26,158 GBP|Low: £15,315 GBP|High: £29,404 GBP|Avg: £20,739 GBP|-10.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 7£15,315 GBP
Retailer 8£15,965 GBP
Retailer 10£16,660 GBP
Retailer 2£16,796 GBP
Retailer 9£17,492 GBP
Retailer 6£18,048 GBP
Retailer 5£18,742 GBP
Retailer 3£20,267 GBP
Retailer 4£23,600 GBP
MOH London£26,158 GBP

40 data points across 10 retailers

10 retailers£15,315 GBP to £26,158 GBP

A
Cheapest Retailer
-
£15,315 GBP
$20,520 USD
A
Retailer 2
-
£15,965 GBP
$21,391 USD
View
Final sale: no returns
B+
Retailer 3
-
£16,660 GBP
$22,322 USD
View
A
Retailer 4
-
£16,796 GBP
View
B+
Retailer 5
-
£17,492 GBP
$23,438 USD
View
B+
Retailer 6
-
£18,048 GBP
$24,182 USD
View
B+
Retailer 7
-
£18,742 GBP
$25,112 USD
View
B+
Retailer 8
-
£20,267 GBP
€25,862 EUR
View
B
Retailer 9
-
£23,600 GBP
$31,622 USD
View
Most Expensive
B
MOH London
197188A97 · Oct 29
£26,158 GBP
View
9 more retailers have this diamond
Prices start from £15,315 GBPSave up to £10,843 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
3.20ct Round
£15,315 GBP