Marquise|Lab Grown|IGI

1.56ct E SI2 Marquise Lab Grown Diamond

ID • E/SI2 • IGI LG849619999

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG849619999

Diamond specifications and retailer prices

From $749 NZD
$422 USD
As of October 30, 2026
Save $1,320 NZD (64%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $2,069 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.56ct lab-grown marquise diamond

This 1.56ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG849619999 or 849619999. Listed at 4 retailers as of October 29, 2026, with prices from $749 to $2,069, a $1,320 spread on the same certified stone. MOH London lists it at $2,069. 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

1.56
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG849619999
Dimensions12.26 × 5.85 × 3.79 mm
L/W Ratio2.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.26 mm5.85 mm1.56 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG849619999
Side View
Table 59.0%Crown 34.2°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 64.8%

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: $2,069 NZD|Low: $749 NZD|High: $2,069 NZD|Avg: $1,078 NZD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
October 30, 2026
Retailer 3$749 NZD
Retailer 4$765 NZD
Retailer 2$806 NZD
MOH London$2,069 NZD

6 data points across 4 retailers

4 retailers$749 NZD to $2,069 NZD

A
Cheapest Retailer
-
$749 NZD
$422 USD
B+
Retailer 2
-
$765 NZD
$431 USD
View
A
Retailer 3
-
$806 NZD
£358 GBP
View
Most Expensive
B
MOH London
LG849619999 · Oct 29
$2,069 NZD
£918 GBP
View
3 more retailers have this diamond
Prices start from $749 NZDSave up to $1,320 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
1.56ct Marquise
$749 NZD