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Marquise|Lab Grown|IGI

2.09ct D SI1 Marquise Lab Grown Diamond

EX • D/SI1 • IGI LG840655978

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG840655978

Diamond specifications and retailer prices

From $413 CAD
$296 USD
As of October 28, 2026
Save $2,478 CAD (86%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,892 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.09ct lab-grown marquise diamond

This 2.09ct lab-grown marquise sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG840655978 or 840655978. Listed at 3 retailers as of October 28, 2026, with prices from $413 to $2,892, a $2,478 spread on the same certified stone. Brilliant Earth lists it at $2,892. 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

2.09
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840655978
Dimensions13.68 × 6.58 × 4.09 mm
L/W Ratio2.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.68 mm6.58 mm2.09 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840655978
Side View
Table 62.0%Crown 35.3°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $2,892 CAD|Low: $413 CAD|High: $4,121 CAD|Avg: $1,925 CAD|-29.8%
Brilliant Earth
Retailer 2
Retailer 3
October 30, 2026
Retailer 3$413 CAD
Retailer 2$832 CAD
Brilliant Earth$2,892 CAD

27 data points across 3 retailers

3 retailers$413 CAD to $2,892 CAD

A
Cheapest Retailer
-
$413 CAD
$296 USD
Final sale: no returns
A
Retailer 2
-
$832 CAD
£469 GBP
View
Most Expensive
B
Brilliant Earth
21623164A · Oct 30
$2,892 CAD
$2,070 USD
View
2 more retailers have this diamond
Prices start from $413 CADSave up to $2,478 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
2.09ct Marquise
$413 CAD