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Marquise|Lab Grown|IGI

0.50ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG851605757

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG851605757

Diamond specifications and retailer prices

From £127 GBP
$170 USD
As of November 2, 2026
Save £718 GBP (85%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £845 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 0.5ct lab-grown marquise diamond

This 0.5ct lab-grown marquise sits in the half to three-quarter carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG851605757 or 851605757. Listed at 5 retailers as of November 2, 2026, with prices from £127 to £845, a £718 spread on the same certified stone. MOH London lists it at £845. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.50
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851605757
Dimensions7.97 × 4.01 × 2.59 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.97 mm4.01 mm0.50 ctF / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG851605757
Side View
Table 60.0%Crown 35.6°Girdle: STK-THKPavilion 40.9°CuletDepth 64.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: £845 GBP|Low: £127 GBP|High: £845 GBP|Avg: £356 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 3, 2026
Retailer 5£127 GBP
Retailer 3£203 GBP
Retailer 4£244 GBP
Retailer 2£369 GBP
MOH London£845 GBP

2 data points across 5 retailers

5 retailers£127 GBP to £845 GBP

A
Cheapest Retailer
-
£127 GBP
$170 USD
B+
Retailer 2
-
£203 GBP
View
B+
Retailer 3
-
£244 GBP
View
Retailer 4
-
£369 GBP
$495 USD
View
Most Expensive
B
MOH London
LG851605757 · Nov 2
£845 GBP
View
4 more retailers have this diamond
Prices start from £127 GBPSave up to £718 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
0.50ct Marquise
£127 GBP