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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 $1,347 NZD
$759 USD
As of November 1, 2026
Save $1,961 NZD (59%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $3,308 NZD at MOH London · As of November 1, 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 November 1, 2026, with prices from $1,347 to $3,308, a $1,961 spread on the same certified stone. MOH London lists it at $3,308. 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
Colour
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: Nov 1
Current: $3,308 NZD|Low: $1,323 NZD|High: $3,348 NZD|Avg: $2,030 NZD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 6$1,347 NZD
Retailer 3$1,367 NZD
Retailer 2$1,533 NZD
Retailer 4$1,794 NZD
Retailer 5$2,789 NZD
MOH London$3,308 NZD

28 data points across 6 retailers

6 retailers$1,347 NZD to $3,308 NZD

B+
Cheapest Retailer
-
$1,347 NZD
$759 USD
A
Retailer 2
-
$1,367 NZD
€734 EUR
View
A
Retailer 3
-
$1,533 NZD
£680 GBP
View
A
Retailer 4
-
$1,794 NZD
$1,011 USD
View
B+
Retailer 5
-
$2,789 NZD
$1,572 USD
View
Most Expensive
B
MOH London
LG840646320 · Nov 1
$3,308 NZD
£1,468 GBP
View
5 more retailers have this diamond
Prices start from $1,347 NZDSave up to $1,961 NZD

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
$1,347 NZD