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Radiant|Lab Grown|IGI

1.54ct E VS2 Radiant Lab Grown Diamond

ID • E/VS2 • IGI LG678584450

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

Certificate IGI LG678584450

Diamond specifications and retailer prices

From £153 GBP
$205 USD
As of October 30, 2026
Save £892 GBP (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,045 GBP at Brilliant Earth · As of October 30, 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 E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG678584450 or 678584450. Listed at 20 retailers as of October 30, 2026, with prices from £153 to £1,045, a £892 spread on the same certified stone. Brilliant Earth lists it at £1,045. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678584450
Dimensions8.20 × 5.68 × 3.86 mm
L/W Ratio1.44
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.20 mm5.68 mm1.54 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678584450
Side View
Table 67.0%Crown 40.5°Girdle: Slightly ThickPavilion 36.1°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: Oct 30
Current: £1,045 GBP|Low: £153 GBP|High: £1,246 GBP|Avg: £565 GBP|-16.2%
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
October 31, 2026
Retailer 4£153 GBP
Retailer 15£172 GBP
Retailer 11£190 GBP
Retailer 16£255 GBP
Retailer 9£350 GBP
Retailer 6£357 GBP
Retailer 3£377 GBP
Retailer 13£382 GBP
Retailer 2£490 GBP
Retailer 14£610 GBP
Retailer 8£670 GBP
Retailer 7£690 GBP
Retailer 10£757 GBP
Retailer 5£774 GBP
Retailer 12£893 GBP
Brilliant Earth£1,045 GBP

41 data points across 16 retailers

20 retailers£153 GBP to £1,045 GBP

A
Cheapest Retailer
-
£153 GBP
$205 USD
A
Retailer 2
-
£172 GBP
$230 USD
View
Final sale: no returns
A
Retailer 3
-
£190 GBP
$255 USD
View
Retailer 4
-
£193 GBP
$259 USD
View
Price last confirmed 36 days ago
A
Retailer 5
-
£196 GBP
$263 USD
View
B+
Retailer 6
-
£255 GBP
$342 USD
View
A
Retailer 7
-
£350 GBP
View
Retailer 8
-
£357 GBP
€455 EUR
View
Price last confirmed 8 days ago
A
Retailer 9
-
£377 GBP
$505 USD
View
A
Retailer 10
-
£382 GBP
$512 USD
View
B+
Retailer 11
-
£490 GBP
$657 USD
View
B+
Retailer 12
-
£610 GBP
$818 USD
View
Retailer 13
-
£662 GBP
A$1,364 AUD
View
Price last confirmed 141 days ago
Retailer 14
-
£670 GBP
$897 USD
View
Price last confirmed 13 days ago
Retailer 15
-
£690 GBP
$925 USD
View
Price last confirmed 12 days ago
B+
Retailer 16
-
£707 GBP
$947 USD
View
B
Retailer 17
-
£757 GBP
$1,014 USD
View
B
Retailer 18
-
£774 GBP
$1,037 USD
View
B
Retailer 19
-
£893 GBP
View
Most Expensive
B
Brilliant Earth
17474289A · Oct 30
£1,045 GBP
$1,400 USD
View
19 more retailers have this diamond
Prices start from £153 GBPSave up to £892 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
£153 GBP