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Radiant|Lab Grown|IGI

1.54ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG537241971

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG537241971

Diamond specifications and retailer prices

From £238 GBP
As of November 4, 2026
Save £1,159 GBP (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,397 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.54ct lab-grown radiant diamond

This 1.54ct lab-grown radiant 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 LG537241971 or 537241971. Listed at 21 retailers as of November 4, 2026, with prices from £238 to £1,397, a £1,159 spread on the same certified stone. Brilliant Earth lists it at £1,397. 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 angle48.1°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG537241971
Dimensions7.77 × 5.71 × 3.88 mm
L/W Ratio1.36
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.77 mm5.71 mm1.54 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG537241971
Side View
Table 66.0%Crown 48.1°Girdle: Slightly ThickPavilion 32.7°Culet: NoneDepth 68.0%

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: £1,397 GBP|Low: £228 GBP|High: £1,471 GBP|Avg: £673 GBP|-5.1%
Brilliant Earth
Retailer 2
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Retailer 20
November 5, 2026
Retailer 19£238 GBP
Retailer 11£265 GBP
Retailer 6£276 GBP
Retailer 7£294 GBP
Retailer 20£294 GBP
Retailer 16£409 GBP
Retailer 8£419 GBP
Retailer 5£478 GBP
Retailer 9£487 GBP
Retailer 15£507 GBP
Retailer 2£521 GBP
Retailer 14£692 GBP
Retailer 17£863 GBP
Retailer 4£947 GBP
Retailer 10£980 GBP
Retailer 3£1,132 GBP
Retailer 18£1,143 GBP
Retailer 12£1,170 GBP
Retailer 13£1,177 GBP
Brilliant Earth£1,397 GBP

45 data points across 20 retailers

21 retailers£238 GBP to £1,397 GBP

A
Cheapest Retailer
-
£238 GBP
A
Retailer 2
-
£265 GBP
View
Final sale: no returns
A
Retailer 3
-
£276 GBP
View
Retailer 4
-
£294 GBP
View
Price last confirmed 12 days ago
A
Retailer 5
-
£294 GBP
View
A
Retailer 6
-
£409 GBP
View
A
Retailer 7
-
£419 GBP
View
B+
Retailer 8
-
£478 GBP
View
B+
Retailer 9
-
£487 GBP
View
B+
Retailer 10
-
£507 GBP
View
B+
Retailer 11
-
£521 GBP
View
B+
Retailer 12
-
£656 GBP
View
B+
Retailer 13
-
£692 GBP
View
B
Retailer 14
-
£863 GBP
View
B
Retailer 15
-
£947 GBP
View
B
Retailer 16
-
£980 GBP
View
B
Retailer 17
-
£1,132 GBP
View
B
Retailer 18
-
£1,143 GBP
View
B
Retailer 19
-
£1,170 GBP
View
B
Retailer 20
-
£1,177 GBP
View
Most Expensive
B
Brilliant Earth
17973889A · Nov 4
£1,397 GBP
$1,880 USD
View
20 more retailers have this diamond
Prices start from £238 GBPSave up to £1,159 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 Radiant
£238 GBP