Heart|Lab Grown|IGI

1.01ct F SI1 Heart Lab Grown Diamond

ID • F/SI1 • IGI LG797637701

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG797637701

Diamond specifications and retailer prices

From £228 GBP
As of November 6, 2026
Save £462 GBP (67%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £690 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.01ct lab-grown heart diamond

This 1.01ct 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 LG797637701 or 797637701. Listed at 7 retailers as of November 1, 2026, with prices from £228 to £690, a £462 spread on the same certified stone. MOH London lists it at £690. 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

1.01
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle42.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797637701
Dimensions5.85 × 6.95 × 4.28 mm
L/W Ratio1.19
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.85 mm6.95 mm1.01 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797637701
Side View
Table 64.0%Crown 37.6°Girdle: STK-THKPavilion 42.2°Culet: NoneDepth 61.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £690 GBP|Low: £228 GBP|High: £697 GBP|Avg: £352 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 6£228 GBP
Retailer 2£256 GBP
Retailer 4£267 GBP
Retailer 3£279 GBP
Retailer 5£385 GBP
MOH London£690 GBP

42 data points across 6 retailers

7 retailers£228 GBP to £690 GBP

A
Cheapest Retailer
-
£228 GBP
A
Retailer 2
-
£256 GBP
View
A
Retailer 3
-
£267 GBP
View
A
Retailer 4
-
£279 GBP
View
B+
Retailer 5
-
£385 GBP
View
B
Retailer 6
-
£515 GBP
View
Most Expensive
B
MOH London
LG797637701 · Nov 1
£690 GBP
View
6 more retailers have this diamond
Prices start from £228 GBPSave up to £462 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
1.01ct Heart
£228 GBP