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Round|Lab Grown|IGI

1.54ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG799648873

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799648873

Diamond specifications and retailer prices

From £161 GBP
As of November 3, 2026
Save £704 GBP (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £865 GBP at Brilliant Earth · As of November 3, 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 LG799648873 or 799648873. Listed at 18 retailers as of November 3, 2026, with prices from £161 to £865, a £704 spread on the same certified stone. Brilliant Earth lists it at £865. 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 angle34.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799648873
Dimensions7.42 × 7.39 × 4.55 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.42 mm7.39 mm1.54 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799648873
Side View
Table 58.0%Crown 34.9°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 3
Current: £865 GBP|Low: £157 GBP|High: £1,022 GBP|Avg: £479 GBP|-10.1%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 18
November 2, 2026
Retailer 6£161 GBP
Retailer 17£180 GBP
Retailer 16£187 GBP
Retailer 13£200 GBP
Retailer 8£201 GBP
Retailer 18£342 GBP
Retailer 12£345 GBP
Retailer 9£346 GBP
Retailer 15£447 GBP
Retailer 7£469 GBP
Retailer 11£532 GBP
Retailer 10£574 GBP
Retailer 14£643 GBP
Retailer 3£650 GBP
Retailer 5£682 GBP
Retailer 2£802 GBP
Retailer 4£814 GBP
Brilliant Earth£865 GBP

33 data points across 18 retailers

18 retailers£161 GBP to £865 GBP

A
Cheapest Retailer
-
£161 GBP
A
Retailer 2
-
£180 GBP
View
Final sale: no returns
A
Retailer 3
-
£187 GBP
View
A
Retailer 4
-
£200 GBP
View
Retailer 5
-
£201 GBP
View
Price last confirmed 10 days ago
B+
Retailer 6
-
£342 GBP
View
A
Retailer 7
-
£345 GBP
View
A
Retailer 8
-
£346 GBP
View
A
Retailer 9
-
£447 GBP
View
Retailer 10
-
£469 GBP
View
Price last confirmed 8 days ago
B+
Retailer 11
-
£532 GBP
View
Retailer 12
-
£574 GBP
View
Price last confirmed 14 days ago
B+
Retailer 13
-
£643 GBP
View
B+
Retailer 14
-
£650 GBP
View
B+
Retailer 15
-
£682 GBP
View
B+
Retailer 16
-
£802 GBP
View
B+
Retailer 17
-
£814 GBP
View
Most Expensive
B+
Brilliant Earth
21492714A · Nov 3
£865 GBP
$1,160 USD
View
17 more retailers have this diamond
Prices start from £161 GBPSave up to £704 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
£161 GBP