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Marquise|Lab Grown|IGI

0.51ct E VVS1 Marquise Lab Grown Diamond

EX • E/VVS1 • IGI LG142623

Certificate IGI LG142623

Diamond specifications and retailer prices

From $186 CAD
$133 USD
As of October 24, 2026
Save $1,217 CAD (87%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,403 CAD at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

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 LG142623 or 142623. Listed at 4 retailers as of October 24, 2026, with prices from $186 to $1,403, a $1,217 spread on the same certified stone. Diamond Quarter lists it at $1,403. 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
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG142623
Dimensions8.91 × 4.31 × 2.33 mm
L/W Ratio2.07
Top View
8.91 mm4.31 mm0.51 ctE / VVS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG142623
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 54.1%

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: Oct 24
Current: $1,403 CAD|Low: $154 CAD|High: $1,403 CAD|Avg: $564 CAD
Diamond Quarter
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 21, 2026
Retailer 5$160 CAD
Retailer 2$186 CAD
Retailer 4$211 CAD
Retailer 7$565 CAD
Retailer 3$638 CAD
Retailer 6$658 CAD
Diamond Quarter$1,403 CAD

8 data points across 7 retailers

4 retailers$186 CAD to $1,403 CAD

A
Cheapest Retailer
-
$186 CAD
$133 USD
A
Retailer 2
-
$211 CAD
$151 USD
View
B
Retailer 3
-
$638 CAD
$456 USD
View
Most Expensive
B
Diamond Quarter
0.51VVS1ELG87DB83N · Oct 29
$1,403 CAD
£789 GBP
View
3 more retailers have this diamond
Prices start from $186 CADSave up to $1,217 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
$186 CAD