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Marquise|Lab Grown|IGI

0.51ct H VS2 Marquise Lab Grown Diamond

ID • H/VS2 • IGI LG436073310

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436073310

Diamond specifications and retailer prices

From £238 GBP
As of November 4, 2026
Save £939 GBP (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,177 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 0.51ct lab-grown marquise diamond

This 0.51ct lab-grown marquise sits in the half to three-quarter carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG436073310 or 436073310. Listed at 13 retailers as of November 4, 2026, with prices from £238 to £1,177, a £939 spread on the same certified stone. MOH London lists it at £1,177. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
H
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle31.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436073310
Dimensions7.76 × 4.29 × 2.68 mm
L/W Ratio1.81
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.76 mm4.29 mm0.51 ctH / VS2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436073310
Side View
Table 57.0%Crown 31.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £1,177 GBP|Low: £228 GBP|High: £1,195 GBP|Avg: £636 GBP|-0.3%
MOH London
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
November 5, 2026
Retailer 10£238 GBP
Retailer 3£265 GBP
Retailer 11£267 GBP
Retailer 15£276 GBP
Retailer 12£295 GBP
Retailer 16£295 GBP
Retailer 5£407 GBP
Retailer 14£479 GBP
Retailer 2£536 GBP
Retailer 6£570 GBP
Retailer 9£864 GBP
Retailer 13£947 GBP
Retailer 4£1,095 GBP
Retailer 7£1,151 GBP
MOH London£1,177 GBP
Retailer 8£1,183 GBP

24 data points across 16 retailers

13 retailers£238 GBP to £1,177 GBP

A
Cheapest Retailer
-
£238 GBP
B+
Retailer 2
-
£265 GBP
View
Final sale: no returns
B+
Retailer 3
-
£267 GBP
View
B+
Retailer 4
-
£276 GBP
View
Retailer 5
-
£295 GBP
View
Price last confirmed 11 days ago
B+
Retailer 6
-
£295 GBP
View
B
Retailer 7
-
£479 GBP
View
B
Retailer 8
-
£536 GBP
View
B
Retailer 9
-
£864 GBP
View
B
Retailer 10
-
£947 GBP
View
B
Retailer 11
-
£1,095 GBP
View
B
Retailer 12
-
£1,151 GBP
View
Most Expensive
B
MOH London
LG436073310 · Nov 5
£1,177 GBP
View
12 more retailers have this diamond
Prices start from £238 GBPSave up to £939 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
0.51ct Marquise
£238 GBP