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Round|Lab Grown|IGI

1.04ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG840656960

Certificate IGI LG840656960

Diamond specifications and retailer prices

From £161 GBP
As of November 4, 2026
Save £224 GBP (58%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £385 GBP at Michael Trio · As of November 3, 2026
View at Michael Trio

About this 1.04ct lab-grown round diamond

This 1.04ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG840656960 or 840656960. Listed at 6 retailers as of November 3, 2026, with prices from £161 to £385, a £224 spread on the same certified stone. Michael Trio lists it at £385. 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

1.04
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG840656960
Dimensions6.48 × 6.52 × 4.03 mm
L/W Ratio1.01
Top View
6.48 mm6.52 mm1.04 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840656960
Side View
Table 57.0%CrownGirdle: STNPavilionCulet: NoneDepth 62.0%

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 4
Current: £385 GBP|Low: £161 GBP|High: £385 GBP|Avg: £287 GBP
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 4, 2026
Retailer 5£161 GBP
Retailer 3£241 GBP
Retailer 2£257 GBP
Retailer 4£365 GBP
Michael Trio£385 GBP

3 data points across 5 retailers

6 retailers£161 GBP to £385 GBP

A
Cheapest Retailer
-
£161 GBP
B+
Retailer 2
-
£241 GBP
View
B+
Retailer 3
-
£257 GBP
View
B+
Retailer 4
-
£297 GBP
View
B+
Retailer 5
-
£365 GBP
View
Most Expensive
B
Michael Trio
8195618040 · Nov 3
£385 GBP
SGD 700 SGD
View
5 more retailers have this diamond
Prices start from £161 GBPSave up to £224 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
1.04ct Round
£161 GBP