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Marquise|Lab Grown|IGI

1.09ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG835609047

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG835609047

Diamond specifications and retailer prices

From $281 NZD
As of November 4, 2026
Save $1,176 NZD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,457 NZD at MOH London · As of November 4, 2026
View at MOH London

About this 1.09ct lab-grown marquise diamond

This 1.09ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG835609047 or 835609047. Listed at 12 retailers as of November 4, 2026, with prices from $281 to $1,457, a $1,176 spread on the same certified stone. MOH London lists it at $1,457. 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

1.09
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835609047
Dimensions10.51 × 5.55 × 3.35 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
10.51 mm5.55 mm1.09 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG835609047
Side View
Table 60.0%Crown 32.3°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.4%

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 4
Current: $1,457 NZD|Low: $281 NZD|High: $1,496 NZD|Avg: $693 NZD|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 12$281 NZD
Retailer 9$363 NZD
Retailer 2$402 NZD
Retailer 5$530 NZD
Retailer 8$537 NZD
Retailer 11$580 NZD
Retailer 6$592 NZD
Retailer 3$598 NZD
Retailer 7$797 NZD
Retailer 4$861 NZD
Retailer 10$952 NZD
MOH London$1,457 NZD

38 data points across 12 retailers

12 retailers$281 NZD to $1,457 NZD

A
Cheapest Retailer
-
$281 NZD
Final sale: no returns
A
Retailer 2
-
$363 NZD
View
A
Retailer 3
-
$402 NZD
View
A
Retailer 4
-
$530 NZD
View
Retailer 5
-
$537 NZD
View
Price last confirmed 10 days ago
B+
Retailer 6
-
$580 NZD
View
A
Retailer 7
-
$592 NZD
View
Retailer 8
-
$598 NZD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
$797 NZD
View
B+
Retailer 10
-
$861 NZD
View
Retailer 11
-
$952 NZD
View
Price last confirmed 9 days ago
Most Expensive
B
MOH London
LG835609047 · Nov 4
$1,457 NZD
£645 GBP
View
11 more retailers have this diamond
Prices start from $281 NZDSave up to $1,176 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
1.09ct Marquise
$281 NZD