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Marquise|Lab Grown|IGI

1.50ct H VS2 Marquise Lab Grown Diamond

EX • H/VS2 • IGI LG544273548

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG544273548

Diamond specifications and retailer prices

From £602 GBP
As of November 4, 2026
Save £1,431 GBP (70%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £2,033 GBP at The Diamond Guys · As of November 5, 2026
View at The Diamond Guys

About this 1.5ct lab-grown marquise diamond

This 1.5ct lab-grown marquise sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG544273548 or 544273548. Listed at 3 retailers as of November 4, 2026, with prices from £602 to £2,033, a £1,431 spread on the same certified stone. The Diamond Guys lists it at £2,033. 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
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG544273548
Dimensions11.79 × 6.17 × 3.64 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.79 mm6.17 mm1.50 ctH / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG544273548
Side View
Table 61.5%Crown 31.8°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 59.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 4
Current: £602 GBP|Low: £363 GBP|High: £2,033 GBP|Avg: £1,053 GBP|+1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
The Diamond Guys
September 13, 2026
Retailer 4£363 GBP
Retailer 5£557 GBP
Retailer 1£602 GBP
Retailer 2£1,409 GBP
Retailer 3£1,714 GBP
The Diamond Guys£2,033 GBP

19 data points across 6 retailers

3 retailers£602 GBP to £2,033 GBP

B+
Cheapest Retailer
-
£602 GBP
B
Retailer 2
-
£1,409 GBP
View
Most Expensive
B
The Diamond Guys
1779253538 · Nov 5
£2,033 GBP
$2,736 USD
View
2 more retailers have this diamond
Prices start from £602 GBPSave up to £1,431 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.

B+
1.50ct Marquise
£602 GBP