Marquise|Lab Grown|IGI

3.01ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG841661850

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841661850

Diamond specifications and retailer prices

From $715 USD
As of October 30, 2026
Save $1,038 USD (59%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,753 USD at MOH London · As of October 29, 2026
View at MOH London

About this 3.01ct lab-grown marquise diamond

This 3.01ct 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 LG841661850 or 841661850. Listed at 5 retailers as of October 29, 2026, with prices from $715 to $1,753, a $1,038 spread on the same certified stone. MOH London lists it at $1,753. 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

3.01
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841661850
Dimensions14.59 × 7.48 × 4.74 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.59 mm7.48 mm3.01 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841661850
Side View
Table 60.0%Crown 33.4°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.4%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $1,753 USD|Low: $715 USD|High: $1,806 USD|Avg: $1,151 USD|-3.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 4$715 USD
Retailer 2$804 USD
Retailer 3$975 USD
Retailer 5$1,474 USD
MOH London$1,753 USD

17 data points across 5 retailers

5 retailers$715 USD to $1,753 USD

B+
Cheapest Retailer
-
$715 USD
A
Retailer 2
-
$804 USD
£633 GBP
View
A
Retailer 3
-
$975 USD
View
B+
Retailer 4
-
$1,474 USD
View
Most Expensive
B+
MOH London
LG841661850 · Oct 29
$1,753 USD
£1,380 GBP
View
4 more retailers have this diamond
Prices start from $715 USDSave up to $1,038 USD

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
3.01ct Marquise
$715 USD