CaratHunter
Plans
Marquise|Lab Grown|IGI

0.51ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG841658819

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841658819

Diamond specifications and retailer prices

From $256 CAD
$183 USD
As of October 28, 2026
Save $365 CAD (59%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,731 CAD 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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG841658819 or 841658819. Listed at 6 retailers as of October 28, 2026, with a 143% 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
E
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle36.3°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841658819
Dimensions8.00 × 4.01 × 2.52 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.00 mm4.01 mm0.51 ctE / VVS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG841658819
Side View
Table 66.0%Crown 36.3°Girdle: MED-THKPavilion 39.1°Culet: NoneDepth 62.8%

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: Oct 28
Current: $1,731 CAD|Low: $256 CAD|High: $1,744 CAD|Avg: $684 CAD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 5$256 CAD
Retailer 2$422 CAD
Retailer 3$498 CAD
Retailer 4$526 CAD
Retailer 6$621 CAD
MOH London$1,731 CAD

22 data points across 6 retailers

6 retailers$256 CAD to $621 CAD

A
Cheapest Retailer
-
$256 CAD
$183 USD
B+
Retailer 2
-
$422 CAD
£238 GBP
View
B+
Retailer 3
-
$498 CAD
£280 GBP
View
B+
Retailer 4
-
$526 CAD
$376 USD
View
B
Retailer 5
-
$621 CAD
$444 USD
View
Most Expensive
MOH London
LG841658819 · Oct 29
$1,731 CAD
£974 GBP
View
Price under review
5 more retailers have this diamond
Prices start from $256 CADSave up to $365 CAD

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
$256 CAD