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Heart|Lab Grown|IGI

1.08ct F SI1 Heart Lab Grown Diamond

ID • F/SI1 • IGI LG816618467

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG816618467

Diamond specifications and retailer prices

From £118 GBP
As of November 4, 2026
Save £566 GBP (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £684 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG816618467 or 816618467. Listed at 14 retailers as of November 4, 2026, with prices from £118 to £684, a £566 spread on the same certified stone. MOH London lists it at £684. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816618467
Dimensions7.24 × 6.27 × 4.07 mm
L/W Ratio1.15
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.24 mm6.27 mm1.08 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816618467
Side View
Table 62.0%Crown 34.4°Girdle: MED-STKPavilion 38.1°Culet: NoneDepth 56.2%

Caratlytics Score

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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: £684 GBP|Low: £114 GBP|High: £722 GBP|Avg: £305 GBP|-5.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 7£118 GBP
Retailer 3£131 GBP
Retailer 8£147 GBP
Retailer 10£147 GBP
Retailer 12£198 GBP
Retailer 9£253 GBP
Retailer 2£256 GBP
Retailer 5£279 GBP
Retailer 11£386 GBP
Retailer 6£498 GBP
Retailer 4£513 GBP
MOH London£684 GBP

42 data points across 12 retailers

14 retailers£118 GBP to £684 GBP

A
Cheapest Retailer
-
£118 GBP
A
Retailer 2
-
£137 GBP
View
Retailer 3
-
£145 GBP
View
Price last confirmed 43 days ago
Retailer 4
-
£147 GBP
View
Price last confirmed 13 days ago
A
Retailer 5
-
£147 GBP
View
B+
Retailer 6
-
£198 GBP
View
A
Retailer 7
-
£253 GBP
View
A
Retailer 8
-
£256 GBP
View
A
Retailer 9
-
£279 GBP
View
B+
Retailer 10
-
£386 GBP
View
B
Retailer 11
-
£472 GBP
View
B+
Retailer 12
-
£498 GBP
View
B+
Retailer 13
-
£513 GBP
View
Most Expensive
B
MOH London
LG816618467 · Nov 4
£684 GBP
View
13 more retailers have this diamond
Prices start from £118 GBPSave up to £566 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
£118 GBP