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Marquise|Lab Grown|IGI

3.06ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG840646320

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG840646320

Diamond specifications and retailer prices

From $1,060 CAD
$759 USD
As of October 30, 2026
Save $1,558 CAD (60%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,619 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 3.06ct lab-grown marquise diamond

This 3.06ct 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 LG840646320 or 840646320. Listed at 6 retailers as of October 29, 2026, with prices from $1,060 to $2,619, a $1,558 spread on the same certified stone. MOH London lists it at $2,619. 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

3.06
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.6°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840646320
Dimensions15.13 × 7.99 × 4.42 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.13 mm7.99 mm3.06 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840646320
Side View
Table 61.0%Crown 30.6°Girdle: MED-STKPavilion 37.4°Culet: NoneDepth 55.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,619 CAD|Low: $1,041 CAD|High: $2,636 CAD|Avg: $1,598 CAD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 6$1,060 CAD
Retailer 3$1,077 CAD
Retailer 2$1,207 CAD
Retailer 4$1,412 CAD
Retailer 5$2,195 CAD
MOH London$2,619 CAD

26 data points across 6 retailers

6 retailers$1,060 CAD to $2,619 CAD

B+
Cheapest Retailer
-
$1,060 CAD
$759 USD
A
Retailer 2
-
$1,077 CAD
€734 EUR
View
A
Retailer 3
-
$1,207 CAD
£680 GBP
View
A
Retailer 4
-
$1,412 CAD
$1,011 USD
View
B+
Retailer 5
-
$2,195 CAD
$1,572 USD
View
Most Expensive
B
MOH London
LG840646320 · Oct 29
$2,619 CAD
£1,476 GBP
View
5 more retailers have this diamond
Prices start from $1,060 CADSave up to $1,558 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
3.06ct Marquise
$1,060 CAD