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Marquise|Lab Grown|IGI

2.59ct E SI1 Marquise Lab Grown Diamond

E/SI1 • IGI LG831607272

Shape and cutting style on the report: Modified marquise step cut

Certificate IGI LG831607272

Diamond specifications and retailer prices

From $3,981 CAD
$2,850 USD
As of October 30, 2026
Save $897 CAD (18%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $4,879 CAD at MOH London · As of October 26, 2026
View at MOH London

About this 2.59ct lab-grown marquise diamond

This 2.59ct lab-grown marquise sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included) and certified by IGI LG831607272 or 831607272. Listed at 3 retailers as of October 26, 2026, with prices from $3,981 to $4,879, a $897 spread on the same certified stone. MOH London lists it at $4,879. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.59
Carat
E
Color
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle44.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831607272
Dimensions12.49 × 6.81 × 4.67 mm
L/W Ratio1.83
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.49 mm6.81 mm2.59 ctE / SI1
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831607272
Side View
Table 73.0%Crown 36°Girdle: ThickPavilion 44.2°Culet: NoneDepth 68.6%

Caratlytics Score

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C
Average
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Price History

Last verified: Oct 30
Current: $4,879 CAD|Low: $2,611 CAD|High: $4,937 CAD|Avg: $3,826 CAD|-1.2%
MOH London
Retailer 2
Retailer 3
October 25, 2026
Retailer 3$2,611 CAD
Retailer 2$3,981 CAD
MOH London$4,879 CAD

5 data points across 3 retailers

3 retailers$3,981 CAD to $4,879 CAD

Retailer 1
-
$2,611 CAD
HK$14,600 HKD
Price last confirmed 50 days ago
C
Retailer 2
-
$3,981 CAD
$2,850 USD
View
Most Expensive
C
MOH London
LG831607272 · Oct 26
$4,879 CAD
£2,750 GBP
View
2 more retailers have this diamond
Prices start from $3,981 CADSave up to $897 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.

C
2.59ct Marquise
$3,981 CAD