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 $183 USD
As of October 30, 2026
Save $261 USD (59%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,237 USD 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 29, 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 30
Current: $1,237 USD|Low: $183 USD|High: $1,246 USD|Avg: $488 USD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 5$183 USD
Retailer 2$303 USD
Retailer 3$356 USD
Retailer 4$376 USD
Retailer 6$444 USD
MOH London$1,237 USD

23 data points across 6 retailers

6 retailers$183 USD to $444 USD

A
Cheapest Retailer
-
$183 USD
B+
Retailer 2
-
$303 USD
£238 GBP
View
B+
Retailer 3
-
$356 USD
£280 GBP
View
B+
Retailer 4
-
$376 USD
View
B
Retailer 5
-
$444 USD
View
Most Expensive
MOH London
LG841658819 · Oct 29
$1,237 USD
£974 GBP
View
Price under review
5 more retailers have this diamond
Prices start from $183 USDSave up to $261 USD

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
$183 USD