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Heart|Lab Grown|IGI

1.54ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG828643558

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG828643558

Diamond specifications and retailer prices

From £183 GBP
As of November 4, 2026
Save £798 GBP (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £981 GBP at Brilliant Earth · As of November 2, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG828643558 or 828643558. Listed at 22 retailers as of November 2, 2026, with prices from £183 to £981, a £798 spread on the same certified stone. Brilliant Earth lists it at £981. 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 angle34.2°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828643558
Dimensions8.21 × 6.89 × 4.77 mm
L/W Ratio1.19
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.21 mm6.89 mm1.54 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828643558
Side View
Table 63.0%Crown 34.2°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 58.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £951 GBP|Low: £183 GBP|High: £1,070 GBP|Avg: £570 GBP|-11.1%
Brilliant Earth
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
Retailer 15
Retailer 16
Retailer 17
November 5, 2026
Retailer 13£183 GBP
Retailer 9£228 GBP
Retailer 2£236 GBP
Retailer 17£344 GBP
Retailer 3£348 GBP
Retailer 11£374 GBP
Retailer 10£393 GBP
Retailer 16£476 GBP
Retailer 14£536 GBP
Retailer 8£661 GBP
Retailer 15£690 GBP
Retailer 7£693 GBP
Retailer 12£813 GBP
Retailer 5£822 GBP
Retailer 6£829 GBP
Retailer 4£936 GBP
Brilliant Earth£951 GBP

37 data points across 17 retailers

22 retailers£183 GBP to £981 GBP

Retailer 1
-
£164 GBP
Price last confirmed 24 days ago
A
Retailer 2
-
£183 GBP
View
Final sale: no returns
Retailer 3
-
£190 GBP
View
Price last confirmed 22 days ago
Retailer 4
-
£204 GBP
View
Price last confirmed 25 days ago
A
Retailer 5
-
£228 GBP
View
A
Retailer 6
-
£236 GBP
View
Retailer 7
-
£344 GBP
View
Price last confirmed 14 days ago
A
Retailer 8
-
£348 GBP
View
A
Retailer 9
-
£374 GBP
View
A
Retailer 10
-
£393 GBP
View
Retailer 11
-
£476 GBP
View
Price last confirmed 13 days ago
B+
Retailer 12
-
£536 GBP
View
Retailer 13
-
£655 GBP
View
Price last confirmed 24 days ago
B+
Retailer 14
-
£661 GBP
View
Retailer 15
-
£690 GBP
View
Price last confirmed 12 days ago
B
Retailer 16
-
£693 GBP
View
B
Retailer 17
-
£813 GBP
View
B
Retailer 18
-
£822 GBP
View
B
Retailer 19
-
£829 GBP
View
B
Retailer 20
-
£936 GBP
View
B
Retailer 21
-
£951 GBP
View
Most Expensive
B
Brilliant Earth
21384652A · Nov 2
£981 GBP
$1,320 USD
View
21 more retailers have this diamond
Prices start from £183 GBPSave up to £798 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
£183 GBP