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1.40ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 1558440762

Certificate GIA 1558440762

Diamond specifications and retailer prices

From £4,021 GBP
As of November 5, 2026
Save £2,635 GBP (40%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £6,656 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.4ct natural round diamond

This 1.4ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1558440762. Listed at 5 retailers as of November 4, 2026, with prices from £4,021 to £6,656, a £2,635 spread on the same certified stone. MOH London lists it at £6,656. 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

1.40
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1558440762
Dimensions7.31 × 7.34 × 4.33 mm
L/W Ratio1.00
Top View
7.31 mm7.34 mm1.40 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558440762
Side View
Table 59.0%Crown 32°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 59.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £6,656 GBP|Low: £3,035 GBP|High: £6,754 GBP|Avg: £4,324 GBP|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 4£3,153 GBP
Retailer 5£3,339 GBP
Retailer 2£4,021 GBP
Retailer 3£4,722 GBP
MOH London£6,656 GBP

44 data points across 5 retailers

5 retailers£4,021 GBP to £6,656 GBP

Retailer 1
-
£3,153 GBP
Price last confirmed 14 days ago
Retailer 2
-
£3,311 GBP
View
Price last confirmed 14 days ago
A
Retailer 3
-
£4,021 GBP
View
B+
Retailer 4
-
£4,722 GBP
View
Most Expensive
B
MOH London
ECD7060DF · Nov 4
£6,656 GBP
View
4 more retailers have this diamond
Prices start from £4,021 GBPSave up to £2,635 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
1.40ct Round
£4,021 GBP