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Heart|Lab Grown|IGI

1.54ct F VS2 Heart Lab Grown Diamond

ID • F/VS2 • IGI LG836691604

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836691604

Diamond specifications and retailer prices

From £159 GBP
As of November 2, 2026
Save £671 GBP (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £830 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.54ct lab-grown heart diamond

This 1.54ct lab-grown heart sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG836691604 or 836691604. Listed at 17 retailers as of November 2, 2026, with prices from £159 to £830, a £671 spread on the same certified stone. Brilliant Earth lists it at £830. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836691604
Dimensions6.98 × 7.81 × 4.73 mm
L/W Ratio1.12
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.98 mm7.81 mm1.54 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836691604
Side View
Table 62.0%Crown 35°Girdle: STK-THKPavilion 40.7°Culet: NoneDepth 60.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: £785 GBP|Low: £156 GBP|High: £814 GBP|Avg: £423 GBP|-3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 5, 2026
Retailer 13£159 GBP
Retailer 5£177 GBP
Retailer 10£184 GBP
Retailer 2£196 GBP
Retailer 14£196 GBP
Retailer 7£240 GBP
Retailer 9£360 GBP
Retailer 4£372 GBP
Retailer 12£522 GBP
Retailer 8£632 GBP
Retailer 6£667 GBP
Retailer 3£671 GBP
Retailer 11£724 GBP
Retailer 1£785 GBP

32 data points across 14 retailers

17 retailers£159 GBP to £830 GBP

A
Cheapest Retailer
-
£159 GBP
A
Retailer 2
-
£177 GBP
View
Final sale: no returns
A
Retailer 3
-
£184 GBP
View
A
Retailer 4
-
£196 GBP
View
Retailer 5
-
£196 GBP
View
Price last confirmed 11 days ago
A
Retailer 6
-
£240 GBP
View
B+
Retailer 7
-
£337 GBP
View
A
Retailer 8
-
£360 GBP
View
A
Retailer 9
-
£372 GBP
View
A
Retailer 10
-
£386 GBP
View
B+
Retailer 11
-
£522 GBP
View
B+
Retailer 12
-
£632 GBP
View
Retailer 13
-
£667 GBP
View
Price last confirmed 11 days ago
B+
Retailer 14
-
£671 GBP
View
B
Retailer 15
-
£724 GBP
View
B
Retailer 16
-
£785 GBP
View
Most Expensive
B
Brilliant Earth
21546936A · Nov 4
£830 GBP
$1,120 USD
View
16 more retailers have this diamond
Prices start from £159 GBPSave up to £671 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
1.54ct Heart
£159 GBP