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Round|Lab Grown|IGI

1.54ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG754520584

Shape and cutting style on the report: Round brilliant

Certificate IGI LG754520584

Diamond specifications and retailer prices

From £160 GBP
As of November 3, 2026
Save £892 GBP (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,051 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.54ct lab-grown round diamond

This 1.54ct lab-grown round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG754520584 or 754520584. Listed at 21 retailers as of October 31, 2026, with prices from £160 to £1,051, a £892 spread on the same certified stone. Brilliant Earth lists it at £1,051. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754520584
Dimensions7.36 × 7.38 × 4.59 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.36 mm7.38 mm1.54 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754520584
Side View
Table 59.0%Crown 35.6°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.3%

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 3
Current: £1,051 GBP|Low: £153 GBP|High: £1,141 GBP|Avg: £442 GBP|-7.8%
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 3, 2026
Retailer 15£160 GBP
Retailer 3£179 GBP
Retailer 5£185 GBP
Retailer 7£198 GBP
Retailer 17£198 GBP
Retailer 16£267 GBP
Retailer 11£342 GBP
Retailer 9£345 GBP
Retailer 2£361 GBP
Retailer 4£388 GBP
Retailer 13£462 GBP
Retailer 10£520 GBP
Retailer 14£570 GBP
Retailer 6£636 GBP
Retailer 8£780 GBP
Retailer 12£792 GBP
Brilliant Earth£1,051 GBP

30 data points across 17 retailers

21 retailers£160 GBP to £1,051 GBP

A
Cheapest Retailer
-
£160 GBP
A
Retailer 2
-
£179 GBP
View
Final sale: no returns
A
Retailer 3
-
£185 GBP
View
A
Retailer 4
-
£198 GBP
View
Retailer 5
-
£198 GBP
View
Price last confirmed 10 days ago
A
Retailer 6
-
£219 GBP
View
B+
Retailer 7
-
£267 GBP
View
A
Retailer 8
-
£342 GBP
View
A
Retailer 9
-
£345 GBP
View
A
Retailer 10
-
£361 GBP
View
A
Retailer 11
-
£388 GBP
View
Retailer 12
-
£462 GBP
View
Price last confirmed 8 days ago
B+
Retailer 13
-
£520 GBP
View
Retailer 14
-
£570 GBP
View
Price last confirmed 14 days ago
Retailer 15
-
£600 GBP
View
Price last confirmed 52 days ago
B+
Retailer 16
-
£636 GBP
View
B+
Retailer 17
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£641 GBP
View
B+
Retailer 18
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£676 GBP
View
B+
Retailer 19
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£792 GBP
View
B+
Retailer 20
-
£796 GBP
View
Most Expensive
B
Brilliant Earth
17441198A · Oct 31
£1,051 GBP
$1,410 USD
View
20 more retailers have this diamond
Prices start from £160 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 Round
£160 GBP