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Heart|Lab Grown|IGI

1.54ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG833604186

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG833604186

Diamond specifications and retailer prices

From £286 GBP
As of November 4, 2026
Save £702 GBP (71%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £988 GBP at Diamond Exchange Canada · As of November 5, 2026
View at Diamond Exchange Canada

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG833604186 or 833604186. Listed at 10 retailers as of November 4, 2026, with prices from £286 to £988, a £702 spread on the same certified stone. Diamond Exchange Canada lists it at £988. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833604186
Dimensions8.28 × 6.89 × 4.82 mm
L/W Ratio1.20
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.28 mm6.89 mm1.54 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833604186
Side View
Table 57.0%Crown 31.6°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 58.2%

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 4
Current: £988 GBP|Low: £286 GBP|High: £988 GBP|Avg: £624 GBP
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 5£286 GBP
Retailer 7£294 GBP
Retailer 2£392 GBP
Retailer 8£395 GBP
Retailer 4£524 GBP
Retailer 6£685 GBP
Retailer 9£721 GBP
Retailer 3£848 GBP
Retailer 10£863 GBP
Diamond Exchange Canada£988 GBP

44 data points across 10 retailers

10 retailers£286 GBP to £988 GBP

B+
Cheapest Retailer
-
£286 GBP
A
Retailer 2
-
£294 GBP
View
A
Retailer 3
-
£392 GBP
View
A
Retailer 4
-
£395 GBP
View
B+
Retailer 5
-
£524 GBP
View
Retailer 6
-
£685 GBP
View
Price last confirmed 8 days ago
B+
Retailer 7
-
£721 GBP
View
B
Retailer 8
-
£848 GBP
View
B
Retailer 9
-
£863 GBP
View
Most Expensive
B
Diamond Exchange Canada
1979147742 · Nov 5
£988 GBP
CA$1,847 CAD
View
9 more retailers have this diamond
Prices start from £286 GBPSave up to £702 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
£286 GBP