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Marquise|Lab Grown|IGI

3.08ct E SI1 Marquise Lab Grown Diamond

EX • E/SI1 • IGI LG823654643

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG823654643

Diamond specifications and retailer prices

From $561 CAD
$401 USD
As of October 29, 2026
Save $3,344 CAD (86%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $3,905 CAD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3.08ct lab-grown marquise diamond

This 3.08ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG823654643 or 823654643. Listed at 3 retailers as of October 28, 2026, with prices from $561 to $3,905, a $3,344 spread on the same certified stone. Brilliant Earth lists it at $3,905. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.08
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823654643
Dimensions15.23 × 7.53 × 4.73 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.23 mm7.53 mm3.08 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823654643
Side View
Table 59.0%Crown 34.6°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $3,905 CAD|Low: $561 CAD|High: $3,905 CAD|Avg: $1,569 CAD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 3$561 CAD
Retailer 4$948 CAD
Retailer 2$1,163 CAD
Retailer 5$1,415 CAD
Brilliant Earth$3,905 CAD

37 data points across 5 retailers

3 retailers$561 CAD to $3,905 CAD

A
Cheapest Retailer
-
$561 CAD
$401 USD
Final sale: no returns
A
Retailer 2
-
$1,163 CAD
£654 GBP
View
Most Expensive
B
Brilliant Earth
21237442A · Oct 28
$3,905 CAD
$2,790 USD
View
2 more retailers have this diamond
Prices start from $561 CADSave up to $3,344 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
3.08ct Marquise
$561 CAD