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Round|Lab Grown|IGI

1.54ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG776643662

Shape and cutting style on the report: Round brilliant

Certificate IGI LG776643662

Diamond specifications and retailer prices

From £156 GBP
As of November 3, 2026
Save £628 GBP (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £784 GBP at With Clarity · As of November 3, 2026
View at With Clarity

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 LG776643662 or 776643662. Listed at 19 retailers as of November 3, 2026, with prices from £156 to £784, a £628 spread on the same certified stone. With Clarity lists it at £784. 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 angle35.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776643662
Dimensions7.36 × 4.57 × 4.57 mm
L/W Ratio1.61
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 mm4.57 mm1.54 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776643662
Side View
Table 58.0%Crown 35.7°Girdle: MediumPavilion 40.7°Culet: NoneDepth 62.0%

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: Nov 3
Current: £301 GBP|Low: £156 GBP|High: £808 GBP|Avg: £409 GBP|-4.5%
Retailer 1
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
With Clarity
November 3, 2026
Retailer 5£156 GBP
Retailer 2£174 GBP
Retailer 17£181 GBP
Retailer 14£194 GBP
Retailer 8£195 GBP
Retailer 1£301 GBP
Retailer 6£334 GBP
Retailer 12£334 GBP
Retailer 9£344 GBP
Retailer 16£441 GBP
Retailer 10£451 GBP
Retailer 11£514 GBP
Retailer 7£570 GBP
Retailer 15£623 GBP
Retailer 3£628 GBP
Retailer 4£661 GBP
Retailer 13£775 GBP
With Clarity£784 GBP

30 data points across 18 retailers

19 retailers£156 GBP to £784 GBP

A
Cheapest Retailer
-
£156 GBP
A
Retailer 2
-
£174 GBP
View
Final sale: no returns
A
Retailer 3
-
£181 GBP
View
A
Retailer 4
-
£194 GBP
View
Retailer 5
-
£195 GBP
View
Price last confirmed 10 days ago
A
Retailer 6
-
£301 GBP
View
B+
Retailer 7
-
£334 GBP
View
A
Retailer 8
-
£334 GBP
View
A
Retailer 9
-
£344 GBP
View
A
Retailer 10
-
£441 GBP
View
A
Retailer 11
-
£451 GBP
View
B+
Retailer 12
-
£514 GBP
View
B+
Retailer 13
-
£570 GBP
View
B+
Retailer 14
-
£623 GBP
View
B+
Retailer 15
-
£628 GBP
View
Retailer 16
-
£629 GBP
View
Price last confirmed 44 days ago
B+
Retailer 17
-
£661 GBP
View
B+
Retailer 18
-
£775 GBP
View
Most Expensive
B+
With Clarity
776643662 · Nov 3
£784 GBP
$1,051 USD
View
18 more retailers have this diamond
Prices start from £156 GBPSave up to £628 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
£156 GBP