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Round|Lab Grown|IGI

1.50ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG794609544

Shape and cutting style on the report: Round brilliant

Certificate IGI LG794609544

Diamond specifications and retailer prices

From £155 GBP
As of November 3, 2026
Save £623 GBP (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £778 GBP at With Clarity · As of November 3, 2026
View at With Clarity

About this 1.5ct lab-grown round diamond

This 1.5ct 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 LG794609544 or 794609544. Listed at 18 retailers as of November 3, 2026, with prices from £155 to £778, a £623 spread on the same certified stone. With Clarity lists it at £778. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794609544
Dimensions7.39 × 7.32 × 4.41 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.39 mm7.32 mm1.50 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794609544
Side View
Table 61.0%Crown 35.6°Girdle: MediumPavilion 40.2°Culet: NoneDepth 59.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 3
Current: £299 GBP|Low: £153 GBP|High: £802 GBP|Avg: £408 GBP|-4.1%
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 7£155 GBP
Retailer 3£173 GBP
Retailer 2£180 GBP
Retailer 14£192 GBP
Retailer 8£193 GBP
Retailer 1£299 GBP
Retailer 16£330 GBP
Retailer 4£331 GBP
Retailer 12£332 GBP
Retailer 17£438 GBP
Retailer 11£448 GBP
Retailer 10£506 GBP
Retailer 9£570 GBP
Retailer 15£618 GBP
Retailer 5£623 GBP
Retailer 6£658 GBP
Retailer 13£770 GBP
With Clarity£778 GBP

30 data points across 18 retailers

18 retailers£155 GBP to £778 GBP

A
Cheapest Retailer
-
£155 GBP
A
Retailer 2
-
£173 GBP
View
Final sale: no returns
A
Retailer 3
-
£180 GBP
View
A
Retailer 4
-
£192 GBP
View
Retailer 5
-
£193 GBP
View
Price last confirmed 10 days ago
A
Retailer 6
-
£299 GBP
View
A
Retailer 7
-
£330 GBP
View
B+
Retailer 8
-
£331 GBP
View
A
Retailer 9
-
£332 GBP
View
A
Retailer 10
-
£438 GBP
View
A
Retailer 11
-
£448 GBP
View
B+
Retailer 12
-
£506 GBP
View
B+
Retailer 13
-
£570 GBP
View
B+
Retailer 14
-
£618 GBP
View
B+
Retailer 15
-
£623 GBP
View
B+
Retailer 16
-
£658 GBP
View
B+
Retailer 17
-
£770 GBP
View
Most Expensive
B+
With Clarity
794609544 · Nov 3
£778 GBP
$1,044 USD
View
17 more retailers have this diamond
Prices start from £155 GBPSave up to £623 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
1.50ct Round
£155 GBP