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Marquise|Lab Grown|IGI

0.51ct F VVS1 Marquise Lab Grown Diamond

ID • F/VVS1 • IGI LG844683533

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG844683533

Diamond specifications and retailer prices

From £135 GBP
$181 USD
As of November 1, 2026
Save £254 GBP (65%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £904 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 F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG844683533 or 844683533. Listed at 8 retailers as of October 31, 2026, with a 188% 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
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle40.2°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844683533
Dimensions8.06 × 4.05 × 2.68 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
8.06 mm4.05 mm0.51 ctF / VVS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG844683533
Side View
Table 60.0%Crown 40.2°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 66.2%

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: Nov 1
Current: £904 GBP|Low: £135 GBP|High: £904 GBP|Avg: £361 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 7£135 GBP
Retailer 2£218 GBP
Retailer 3£242 GBP
Retailer 4£260 GBP
Retailer 5£278 GBP
Retailer 8£323 GBP
Retailer 6£389 GBP
MOH London£904 GBP

14 data points across 8 retailers

8 retailers£135 GBP to £389 GBP

A
Cheapest Retailer
-
£135 GBP
$181 USD
B+
Retailer 2
-
£218 GBP
View
B+
Retailer 3
-
£242 GBP
$325 USD
View
B+
Retailer 4
-
£260 GBP
View
B+
Retailer 5
-
£278 GBP
$373 USD
View
B+
Retailer 6
-
£323 GBP
$433 USD
View
B
Retailer 7
-
£389 GBP
$522 USD
View
Most Expensive
MOH London
LG844683533 · Oct 29
£904 GBP
View
Price under review
7 more retailers have this diamond
Prices start from £135 GBPSave up to £254 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
£135 GBP