Marquise|Lab Grown|IGI

0.51ct D VS2 Marquise Lab Grown Diamond

VG • D/VS2 • IGI LG846652854

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG846652854

Diamond specifications and retailer prices

From £77 GBP
$103 USD
As of October 30, 2026
Save £625 GBP (89%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £702 GBP at MOH London · As of October 29, 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 very-good cut grade and certified by IGI LG846652854 or 846652854. Listed at 9 retailers as of October 29, 2026, with prices from £77 to £702, a £625 spread on the same certified stone. MOH London lists it at £702. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
D
Colour
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle29.1°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846652854
Dimensions10.08 × 3.82 × 2.32 mm
L/W Ratio2.64
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.08 mm3.82 mm0.51 ctD / VS2
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG846652854
Side View
Table 60.0%Crown 29.1°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 60.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £702 GBP|Low: £86 GBP|High: £702 GBP|Avg: £307 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 3£86 GBP
Retailer 8£128 GBP
Retailer 6£183 GBP
Retailer 2£185 GBP
Retailer 5£230 GBP
Retailer 7£349 GBP
Retailer 4£659 GBP
MOH London£702 GBP

14 data points across 8 retailers

9 retailers£77 GBP to £702 GBP

A
Cheapest Retailer
-
£77 GBP
$103 USD
A
Retailer 2
-
£86 GBP
$115 USD
View
Final sale: no returns
A
Retailer 3
-
£128 GBP
$172 USD
View
B+
Retailer 4
-
£183 GBP
€234 EUR
View
B+
Retailer 5
-
£185 GBP
View
B+
Retailer 6
-
£230 GBP
View
B
Retailer 7
-
£349 GBP
$468 USD
View
B
Retailer 8
-
£659 GBP
$883 USD
View
Most Expensive
B
MOH London
LG846652854 · Oct 29
£702 GBP
View
8 more retailers have this diamond
Prices start from £77 GBPSave up to £625 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
£77 GBP