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Radiant|Lab Grown|IGI

1.54ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG639426843

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

Certificate IGI LG639426843

Diamond specifications and retailer prices

From £181 GBP
$242 USD
As of October 30, 2026
Save £810 GBP (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £991 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG639426843 or 639426843. Listed at 22 retailers as of October 30, 2026, with prices from £181 to £991, a £810 spread on the same certified stone. Reve Diamonds lists it at £991. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.2°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639426843
Dimensions8.06 × 5.73 × 3.88 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.06 mm5.73 mm1.54 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG639426843
Side View
Table 66.0%Crown 31.2°Girdle: MediumPavilion 35.7°Culet: NoneDepth 67.7%

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: Oct 30
Current: £343 GBP|Low: £181 GBP|High: £991 GBP|Avg: £489 GBP|+0.9%
Retailer 1
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Retailer 20
Reve Diamonds
October 31, 2026
Retailer 3£181 GBP
Retailer 9£202 GBP
Retailer 19£210 GBP
Retailer 7£224 GBP
Retailer 17£224 GBP
Retailer 14£250 GBP
Retailer 1£343 GBP
Retailer 6£378 GBP
Retailer 15£385 GBP
Retailer 5£405 GBP
Retailer 12£421 GBP
Retailer 8£468 GBP
Retailer 16£522 GBP
Retailer 20£719 GBP
Retailer 2£722 GBP
Retailer 10£758 GBP
Retailer 4£802 GBP
Retailer 11£885 GBP
Retailer 18£899 GBP
Retailer 13£911 GBP
Reve Diamonds£991 GBP

32 data points across 21 retailers

22 retailers£181 GBP to £991 GBP

A
Cheapest Retailer
-
£181 GBP
$242 USD
A
Retailer 2
-
£202 GBP
$270 USD
View
Final sale: no returns
A
Retailer 3
-
£210 GBP
$281 USD
View
A
Retailer 4
-
£224 GBP
$300 USD
View
A
Retailer 5
-
£224 GBP
$300 USD
View
A
Retailer 6
-
£250 GBP
View
A
Retailer 7
-
£343 GBP
€438 EUR
View
A
Retailer 8
-
£378 GBP
$506 USD
View
A
Retailer 9
-
£385 GBP
ZAR 8,325 ZAR
View
A
Retailer 10
-
£405 GBP
$543 USD
View
A
Retailer 11
-
£421 GBP
View
B+
Retailer 12
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£468 GBP
$627 USD
View
B+
Retailer 13
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£522 GBP
A$1,076 AUD
View
B
Retailer 14
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£719 GBP
$964 USD
View
B
Retailer 15
-
£722 GBP
$968 USD
View
B
Retailer 16
-
£737 GBP
View
B
Retailer 17
-
£758 GBP
$1,016 USD
View
Retailer 18
-
£802 GBP
$1,075 USD
View
Price last confirmed 13 days ago
B
Retailer 19
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£885 GBP
$1,186 USD
View
B
Retailer 20
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£899 GBP
View
B
Retailer 21
-
£911 GBP
$1,220 USD
View
Most Expensive
B
Reve Diamonds
4A228BA34 · Oct 30
£991 GBP
$1,327 USD
View
21 more retailers have this diamond
Prices start from £181 GBPSave up to £810 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
£181 GBP