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Marquise|Lab Grown|IGI

1.01ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG823639837

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG823639837

Diamond specifications and retailer prices

From $363 NZD
As of November 4, 2026
Save $1,090 NZD (75%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,453 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 1.01ct lab-grown marquise diamond

This 1.01ct 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 LG823639837 or 823639837. Listed at 8 retailers as of November 2, 2026, with prices from $363 to $1,453, a $1,090 spread on the same certified stone. MOH London lists it at $1,453. 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

1.01
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823639837
Dimensions11.43 × 5.11 × 3.00 mm
L/W Ratio2.24
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.43 mm5.11 mm1.01 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823639837
Side View
Table 61.0%Crown 30°Girdle: MED-THKPavilion 39.7°Culet: NoneDepth 58.7%

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: $1,453 NZD|Low: $423 NZD|High: $1,471 NZD|Avg: $710 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 3, 2026
Retailer 6$423 NZD
Retailer 7$514 NZD
Retailer 2$532 NZD
Retailer 4$566 NZD
Retailer 3$589 NZD
Retailer 5$872 NZD
MOH London$1,453 NZD

41 data points across 7 retailers

8 retailers$363 NZD to $1,453 NZD

A
Cheapest Retailer
-
$363 NZD
B+
Retailer 2
-
$423 NZD
View
A
Retailer 3
-
$514 NZD
View
A
Retailer 4
-
$532 NZD
View
Retailer 5
-
$566 NZD
View
Price last confirmed 10 days ago
A
Retailer 6
-
$589 NZD
View
B+
Retailer 7
-
$872 NZD
View
Most Expensive
B
MOH London
LG823639837 · Nov 2
$1,453 NZD
£643 GBP
View
7 more retailers have this diamond
Prices start from $363 NZDSave up to $1,090 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
1.01ct Marquise
$363 NZD