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Marquise|Lab Grown|IGI

1.00ct D SI2 Marquise Lab Grown Diamond

EX • D/SI2 • IGI LG790613765

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790613765

Diamond specifications and retailer prices

From $393 AUD
As of November 5, 2026
Save $1,603 AUD (80%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,996 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 1ct lab-grown marquise diamond

This 1ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG790613765 or 790613765. Listed at 6 retailers as of November 5, 2026, with prices from $393 to $1,996, a $1,603 spread on the same certified stone. MOH London lists it at $1,996. 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

1.00
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790613765
Dimensions10.79 × 5.07 × 3.14 mm
L/W Ratio2.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.79 mm5.07 mm1.00 ctD / SI2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790613765
Side View
Table 56.0%Crown 32°Girdle: STK-THKPavilion 39.4°Culet: NoneDepth 61.9%

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 5
Current: $1,996 AUD|Low: $387 AUD|High: $2,025 AUD|Avg: $720 AUD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 6$393 AUD
Retailer 2$401 AUD
Retailer 4$450 AUD
Retailer 3$454 AUD
Retailer 5$697 AUD
MOH London$1,996 AUD

41 data points across 6 retailers

6 retailers$393 AUD to $1,996 AUD

A
Cheapest Retailer
-
$393 AUD
A
Retailer 2
-
$401 AUD
View
A
Retailer 3
-
$450 AUD
View
A
Retailer 4
-
$454 AUD
View
B+
Retailer 5
-
$697 AUD
View
Most Expensive
B
MOH London
LG790613765 · Nov 5
$1,996 AUD
£1,100 GBP
View
5 more retailers have this diamond
Prices start from $393 AUDSave up to $1,603 AUD

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
1.00ct Marquise
$393 AUD