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Round|Lab Grown|IGI

1.02ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG784678985

Shape and cutting style on the report: Round brilliant

Certificate IGI LG784678985

Diamond specifications and retailer prices

From £223 GBP
As of November 6, 2026
Save £390 GBP (64%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £613 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.02ct lab-grown round diamond

This 1.02ct 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 LG784678985 or 784678985. Listed at 9 retailers as of November 4, 2026, with prices from £223 to £613, a £390 spread on the same certified stone. MOH London lists it at £613. 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

1.02
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784678985
Dimensions6.43 × 6.40 × 4.01 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.43 mm6.40 mm1.02 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784678985
Side View
Table 58.0%Crown 35.3°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.5%

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 6
Current: £613 GBP|Low: £213 GBP|High: £623 GBP|Avg: £336 GBP|-1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 2£223 GBP
Retailer 4£230 GBP
Retailer 6£244 GBP
Retailer 3£302 GBP
Retailer 5£447 GBP
MOH London£613 GBP

43 data points across 6 retailers

9 retailers£223 GBP to £613 GBP

A
Cheapest Retailer
-
£223 GBP
A
Retailer 2
-
£230 GBP
View
B+
Retailer 3
-
£244 GBP
View
B+
Retailer 4
-
£250 GBP
View
B+
Retailer 5
-
£302 GBP
View
Retailer 6
-
£308 GBP
View
Price last confirmed 95 days ago
B+
Retailer 7
-
£369 GBP
View
B
Retailer 8
-
£447 GBP
View
Most Expensive
B
MOH London
LG784678985 · Nov 4
£613 GBP
View
8 more retailers have this diamond
Prices start from £223 GBPSave up to £390 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
1.02ct Round
£223 GBP