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Round|Natural|GIA

3.50ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6552531330

Certificate GIA 6552531330

Diamond specifications and retailer prices

From £24,886 GBP
CA$46,382 CAD
As of November 2, 2026
Save £15,911 GBP (39%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £40,797 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 3.5ct natural round diamond

This 3.5ct 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 GIA 6552531330. Listed at 9 retailers as of November 1, 2026, with prices from £24,886 to £40,797, a £15,911 spread on the same certified stone. MOH London lists it at £40,797. 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

3.50
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6552531330
Dimensions9.62 × 9.67 × 6.02 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
9.62 mm9.67 mm3.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552531330
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £40,797 GBP|Low: £24,886 GBP|High: £41,289 GBP|Avg: £29,379 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 8£24,886 GBP
Retailer 4£25,041 GBP
Retailer 7£26,178 GBP
Retailer 2£26,373 GBP
Retailer 5£27,667 GBP
Retailer 9£29,796 GBP
Retailer 6£31,136 GBP
Retailer 3£31,555 GBP
MOH London£40,797 GBP

41 data points across 9 retailers

9 retailers£24,886 GBP to £40,797 GBP

B+
Cheapest Retailer
-
£24,886 GBP
CA$46,382 CAD
B
Retailer 2
-
£25,041 GBP
$33,603 USD
View
B+
Retailer 3
-
£26,178 GBP
$35,129 USD
View
B+
Retailer 4
-
£26,373 GBP
View
B
Retailer 5
-
£27,667 GBP
$37,128 USD
View
B
Retailer 6
-
£29,796 GBP
$39,984 USD
View
B
Retailer 7
-
£31,136 GBP
$41,783 USD
View
B
Retailer 8
-
£31,555 GBP
€40,329 EUR
View
Most Expensive
B
MOH London
5B5B0F664 · Nov 1
£40,797 GBP
View
8 more retailers have this diamond
Prices start from £24,886 GBPSave up to £15,911 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.

B+
3.50ct Round
£24,886 GBP