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Heart|Lab Grown|IGI

1.08ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG816686248

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG816686248

Diamond specifications and retailer prices

From £162 GBP
As of November 6, 2026
Save £496 GBP (75%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £658 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.08ct lab-grown heart diamond

This 1.08ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG816686248 or 816686248. Listed at 8 retailers as of November 4, 2026, with prices from £162 to £658, a £496 spread on the same certified stone. MOH London lists it at £658. 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

1.08
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816686248
Dimensions6.20 × 6.80 × 4.42 mm
L/W Ratio1.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.20 mm6.80 mm1.08 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816686248
Side View
Table 59.0%Crown 36.9°Girdle: THK-VTKPavilion 41.7°Culet: NoneDepth 65.0%

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 6
Current: £658 GBP|Low: £162 GBP|High: £713 GBP|Avg: £324 GBP|-6.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8£162 GBP
Retailer 3£243 GBP
Retailer 5£243 GBP
Retailer 2£248 GBP
Retailer 7£259 GBP
Retailer 4£267 GBP
Retailer 6£325 GBP
MOH London£658 GBP

44 data points across 8 retailers

8 retailers£162 GBP to £658 GBP

A
Cheapest Retailer
-
£162 GBP
B+
Retailer 2
-
£243 GBP
View
B+
Retailer 3
-
£243 GBP
View
B+
Retailer 4
-
£248 GBP
View
B+
Retailer 5
-
£259 GBP
View
B+
Retailer 6
-
£267 GBP
View
B+
Retailer 7
-
£325 GBP
View
Most Expensive
B
MOH London
LG816686248 · Nov 4
£658 GBP
View
7 more retailers have this diamond
Prices start from £162 GBPSave up to £496 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
1.08ct Heart
£162 GBP