Radiant|Lab Grown|IGI

1.54ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG526279523

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

Certificate IGI LG526279523

Diamond specifications and retailer prices

From £220 GBP
As of November 4, 2026
Save £1,006 GBP (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,226 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 LG526279523 or 526279523. Listed at 21 retailers as of November 4, 2026, with prices from £220 to £1,226, a £1,006 spread on the same certified stone. Brilliant Earth lists it at £1,226. 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 angle42.1°
Pavilion angle30.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526279523
Dimensions7.58 × 5.64 × 3.96 mm
L/W Ratio1.34
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
7.58 mm5.64 mm1.54 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526279523
Side View
Table 63.0%Crown 42.1°Girdle: Slightly ThickPavilion 30.5°Culet: NoneDepth 70.2%

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: £1,226 GBP|Low: £211 GBP|High: £1,308 GBP|Avg: £620 GBP|-6.3%
Brilliant Earth
Retailer 2
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Retailer 20
November 5, 2026
Retailer 19£220 GBP
Retailer 10£245 GBP
Retailer 6£255 GBP
Retailer 7£273 GBP
Retailer 20£273 GBP
Retailer 16£390 GBP
Retailer 8£413 GBP
Retailer 5£447 GBP
Retailer 9£467 GBP
Retailer 15£470 GBP
Retailer 2£478 GBP
Retailer 14£639 GBP
Retailer 18£838 GBP
Retailer 4£877 GBP
Retailer 12£912 GBP
Retailer 3£1,048 GBP
Retailer 17£1,064 GBP
Retailer 13£1,089 GBP
Retailer 11£1,114 GBP
Brilliant Earth£1,226 GBP

45 data points across 20 retailers

21 retailers£220 GBP to £1,226 GBP

A
Cheapest Retailer
-
£220 GBP
A
Retailer 2
-
£245 GBP
View
Final sale: no returns
A
Retailer 3
-
£255 GBP
View
Retailer 4
-
£273 GBP
View
Price last confirmed 12 days ago
A
Retailer 5
-
£273 GBP
View
A
Retailer 6
-
£390 GBP
View
A
Retailer 7
-
£413 GBP
View
A
Retailer 8
-
£447 GBP
View
A
Retailer 9
-
£467 GBP
View
A
Retailer 10
-
£470 GBP
View
A
Retailer 11
-
£478 GBP
View
B+
Retailer 12
-
£599 GBP
View
B+
Retailer 13
-
£639 GBP
View
B
Retailer 14
-
£838 GBP
View
B
Retailer 15
-
£877 GBP
View
B
Retailer 16
-
£912 GBP
View
B
Retailer 17
-
£1,048 GBP
View
B
Retailer 18
-
£1,064 GBP
View
B
Retailer 19
-
£1,089 GBP
View
B
Retailer 20
-
£1,114 GBP
View
Most Expensive
B
Brilliant Earth
17972034A · Nov 4
£1,226 GBP
$1,650 USD
View
20 more retailers have this diamond
Prices start from £220 GBPSave up to £1,006 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
£220 GBP