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Marquise|Lab Grown|IGI

1.09ct E SI1 Marquise Lab Grown Diamond

EX • E/SI1 • IGI LG792663045

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG792663045

Diamond specifications and retailer prices

From $276 NZD
As of November 4, 2026
Save $1,163 NZD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,439 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 LG792663045 or 792663045. Listed at 18 retailers as of November 4, 2026, with prices from $276 to $1,439, a $1,163 spread on the same certified stone. MOH London lists it at $1,439. 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
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792663045
Dimensions10.27 × 5.50 × 3.38 mm
L/W Ratio1.87
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.27 mm5.50 mm1.09 ctE / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG792663045
Side View
Table 63.0%Crown 35.8°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.5%

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: $1,439 NZD|Low: $245 NZD|High: $1,708 NZD|Avg: $697 NZD|-4.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 9$249 NZD
Retailer 7$276 NZD
Retailer 5$288 NZD
Retailer 4$310 NZD
Retailer 2$397 NZD
Retailer 10$521 NZD
Retailer 14$534 NZD
Retailer 3$576 NZD
Retailer 11$585 NZD
Retailer 15$596 NZD
Retailer 6$751 NZD
Retailer 12$786 NZD
Retailer 8$852 NZD
Retailer 16$952 NZD
Retailer 17$993 NZD
Retailer 13$1,156 NZD
MOH London$1,439 NZD

42 data points across 17 retailers

18 retailers$276 NZD to $1,439 NZD

Retailer 1
-
$249 NZD
Price last confirmed 14 days ago
A
Retailer 2
-
$276 NZD
View
Final sale: no returns
Retailer 3
-
$288 NZD
View
Price last confirmed 13 days ago
Retailer 4
-
$310 NZD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$363 NZD
View
A
Retailer 6
-
$397 NZD
View
A
Retailer 7
-
$521 NZD
View
Retailer 8
-
$534 NZD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$576 NZD
View
A
Retailer 10
-
$585 NZD
View
B+
Retailer 11
-
$596 NZD
View
Retailer 12
-
$751 NZD
View
Price last confirmed 11 days ago
B+
Retailer 13
-
$786 NZD
View
B+
Retailer 14
-
$852 NZD
View
Retailer 15
-
$952 NZD
View
Price last confirmed 9 days ago
Retailer 16
-
$993 NZD
View
Price last confirmed 12 days ago
B
Retailer 17
-
$1,156 NZD
View
Most Expensive
B
MOH London
LG792663045 · Nov 4
$1,439 NZD
£637 GBP
View
17 more retailers have this diamond
Prices start from $276 NZDSave up to $1,163 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
$276 NZD