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Round|Natural|GIA

3.50ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6542215800

Certificate GIA 6542215800

Diamond specifications and retailer prices

From £25,656 GBP
CA$47,746 CAD
As of October 30, 2026
Save £16,399 GBP (39%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £42,056 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 6542215800. Listed at 13 retailers as of October 30, 2026, with prices from £25,656 to £42,056, a £16,399 spread on the same certified stone. MOH London lists it at £42,056. 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
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6542215800
Dimensions9.61 × 9.65 × 6.06 mm
L/W Ratio1.00
Top View
9.61 mm9.65 mm3.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542215800
Side View
Table 57.0%Crown 35°Girdle: THN-STKPavilion 41.4°Culet: NoneDepth 63.0%

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: Oct 30
Current: £42,056 GBP|Low: £25,817 GBP|High: £42,562 GBP|Avg: £31,037 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 4£25,817 GBP
Retailer 3£26,963 GBP
Retailer 6£28,050 GBP
Retailer 5£28,525 GBP
Retailer 2£31,807 GBP
Retailer 7£32,101 GBP
MOH London£42,056 GBP

41 data points across 7 retailers

13 retailers£25,656 GBP to £42,056 GBP

B
Cheapest Retailer
-
£25,656 GBP
CA$47,746 CAD
B+
Retailer 2
-
£25,817 GBP
$34,592 USD
View
B+
Retailer 3
-
£26,963 GBP
View
B+
Retailer 4
-
£26,989 GBP
$36,162 USD
View
B
Retailer 5
-
£28,050 GBP
$37,584 USD
View
B
Retailer 6
-
£28,361 GBP
$38,000 USD
View
B
Retailer 7
-
£28,361 GBP
$38,000 USD
View
B
Retailer 8
-
£28,525 GBP
$38,220 USD
View
B
Retailer 9
-
£29,308 GBP
$39,270 USD
View
B
Retailer 10
-
£30,719 GBP
$41,160 USD
View
B
Retailer 11
-
£31,807 GBP
€40,589 EUR
View
B
Retailer 12
-
£32,101 GBP
$43,012 USD
View
Most Expensive
B
MOH London
22777DFCC · Nov 1
£42,056 GBP
View
12 more retailers have this diamond
Prices start from £25,656 GBPSave up to £16,399 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
£25,656 GBP