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Round|Natural|GIA

3.40ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 7542130384

Certificate GIA 7542130384

Diamond specifications and retailer prices

From £22,787 GBP
CA$42,406 CAD
As of October 30, 2026
Save £14,789 GBP (39%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £37,576 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 3.4ct natural round diamond

This 3.4ct 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 7542130384. Listed at 11 retailers as of October 29, 2026, with prices from £22,787 to £37,576, a £14,789 spread on the same certified stone. MOH London lists it at £37,576. 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

3.40
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7542130384
Dimensions9.49 × 9.57 × 6.00 mm
L/W Ratio1.01
Top View
9.49 mm9.57 mm3.40 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7542130384
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 62.9%

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: £37,576 GBP|Low: £22,787 GBP|High: £37,826 GBP|Avg: £27,006 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 4£22,787 GBP
Retailer 9£22,930 GBP
Retailer 3£24,153 GBP
Retailer 6£24,165 GBP
Retailer 7£25,335 GBP
Retailer 8£28,258 GBP
Retailer 2£28,450 GBP
Retailer 5£28,511 GBP
MOH London£37,576 GBP

36 data points across 9 retailers

11 retailers£22,787 GBP to £37,576 GBP

B+
Cheapest Retailer
-
£22,787 GBP
CA$42,406 CAD
B+
Retailer 2
-
£22,930 GBP
$30,723 USD
View
B+
Retailer 3
-
£24,153 GBP
View
B
Retailer 4
-
£24,165 GBP
$32,379 USD
View
Retailer 5
-
£24,929 GBP
$33,402 USD
View
Price last confirmed 35 days ago
B
Retailer 6
-
£24,929 GBP
$33,402 USD
View
B+
Retailer 7
-
£25,335 GBP
$33,946 USD
View
B
Retailer 8
-
£28,258 GBP
$37,862 USD
View
B
Retailer 9
-
£28,450 GBP
€36,305 EUR
View
B
Retailer 10
-
£28,511 GBP
$38,202 USD
View
Most Expensive
B
MOH London
7E0090D7B · Oct 29
£37,576 GBP
View
10 more retailers have this diamond
Prices start from £22,787 GBPSave up to £14,789 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+
3.40ct Round
£22,787 GBP