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Marquise|Lab Grown|IGI

0.51ct D VS2 Marquise Lab Grown Diamond

ID • D/VS2 • IGI LG844673318

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG844673318

Diamond specifications and retailer prices

From £192 GBP
€245 EUR
As of October 25, 2026
Save £139 GBP (42%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £872 GBP at MOH London · As of October 26, 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 D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG844673318 or 844673318. Listed at 8 retailers as of October 25, 2026, with a 73% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle29.2°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844673318
Dimensions8.01 × 4.04 × 2.65 mm
L/W Ratio1.98
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.01 mm4.04 mm0.51 ctD / VS2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG844673318
Side View
Table 58.0%Crown 29.2°Girdle: STK-THKPavilion 37.7°Culet: NoneDepth 65.6%

Caratlytics Score

How it works →
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: Oct 25
Current: £872 GBP|Low: £192 GBP|High: £872 GBP|Avg: £323 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 7£192 GBP
Retailer 6£205 GBP
Retailer 3£209 GBP
Retailer 2£211 GBP
Retailer 4£252 GBP
Retailer 8£309 GBP
Retailer 5£331 GBP
MOH London£872 GBP

7 data points across 8 retailers

8 retailers£192 GBP to £331 GBP

A
Cheapest Retailer
-
£192 GBP
€245 EUR
B+
Retailer 2
-
£205 GBP
$275 USD
View
B+
Retailer 3
-
£209 GBP
$280 USD
View
B+
Retailer 4
-
£211 GBP
View
B+
Retailer 5
-
£252 GBP
View
B
Retailer 6
-
£309 GBP
$414 USD
View
B
Retailer 7
-
£331 GBP
$444 USD
View
Most Expensive
MOH London
LG844673318 · Oct 26
£872 GBP
View
Price under review
7 more retailers have this diamond
Prices start from £192 GBPSave up to £139 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
£192 GBP