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Marquise|Lab Grown|IGI

1.59ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG760572111

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG760572111

Diamond specifications and retailer prices

From $2,029 CAD
$1,450 USD
As of October 28, 2026
1 retailer carries this diamond
Only listing: $2,029 CAD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 1.59ct lab-grown marquise diamond

This 1.59ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG760572111 or 760572111. Listed at a single retailer as of October 28, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

1.59
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG760572111
Dimensions12.49 × 6.06 × 3.77 mm
L/W Ratio2.06
Girdle conditionFaceted
Top View
12.49 mm6.06 mm1.59 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG760572111
Side View
Table 58.0%Crown 34.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 28
Current: $2,029 CAD|Low: $373 CAD|High: $2,323 CAD|Avg: $1,181 CAD|+2.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
April 14, 2026
Retailer 4$376 CAD
Retailer 7$589 CAD
Retailer 5$730 CAD
Retailer 3$917 CAD
Retailer 2$1,102 CAD
Retailer 6$1,288 CAD
Brilliant Earth$2,029 CAD

31 data points across 7 retailers

1 retailer

B
Brilliant Earth
17069469A · Oct 28
$2,029 CAD
$1,450 USD
View

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.

B
1.59ct Marquise
$2,029 CAD