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Marquise|Lab Grown|IGI

0.51ct D VS2 Marquise Lab Grown Diamond

EX • D/VS2 • IGI LG774674145

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG774674145

Diamond specifications and retailer prices

From £127 GBP
$170 USD
As of October 30, 2026
Save £137 GBP (52%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £264 GBP at With Clarity · As of October 30, 2026
View at With Clarity

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 LG774674145 or 774674145. Listed at 3 retailers as of October 30, 2026, with prices from £127 to £264, a £137 spread on the same certified stone. With Clarity lists it at £264. 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
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG774674145
Dimensions8.27 × 4.13 × 2.56 mm
L/W Ratio2.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.27 mm4.13 mm0.51 ctD / VS2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG774674145
Side View
Table 63.0%Crown 35.1°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £171 GBP|Low: £127 GBP|High: £401 GBP|Avg: £245 GBP|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
With Clarity
October 25, 2026
Retailer 2£127 GBP
Retailer 1£171 GBP
Retailer 4£185 GBP
Retailer 5£225 GBP
With Clarity£259 GBP
Retailer 3£328 GBP
Retailer 6£401 GBP

8 data points across 7 retailers

3 retailers£127 GBP to £264 GBP

A
Cheapest Retailer
-
£127 GBP
$170 USD
A
Retailer 2
-
£171 GBP
€218 EUR
View
Most Expensive
B
With Clarity
774674145 · Oct 30
£264 GBP
$354 USD
View
2 more retailers have this diamond
Prices start from £127 GBPSave up to £137 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
£127 GBP