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Marquise|Lab Grown|IGI

1.00ct G SI1 Marquise Lab Grown Diamond

ID • G/SI1 • IGI LG766647563

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG766647563

Diamond specifications and retailer prices

From $403 AUD
As of November 6, 2026
Save $764 AUD (65%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,167 AUD at MOH London · As of November 4, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG766647563 or 766647563. Listed at 7 retailers as of November 4, 2026, with prices from $403 to $1,167, a $764 spread on the same certified stone. MOH London lists it at $1,167. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.4°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766647563
Dimensions10.71 × 5.18 × 3.08 mm
L/W Ratio2.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.71 mm5.18 mm1.00 ctG / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG766647563
Side View
Table 67.0%Crown 37.4°Girdle: MED-THKPavilion 39.2°Culet: NoneDepth 59.5%

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: Nov 6
Current: $1,167 AUD|Low: $409 AUD|High: $1,185 AUD|Avg: $637 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 2$424 AUD
Retailer 5$466 AUD
Retailer 3$474 AUD
Retailer 6$600 AUD
Retailer 4$671 AUD
MOH London$1,167 AUD

43 data points across 6 retailers

7 retailers$403 AUD to $1,167 AUD

A
Cheapest Retailer
-
$403 AUD
A
Retailer 2
-
$424 AUD
View
A
Retailer 3
-
$466 AUD
View
A
Retailer 4
-
$474 AUD
View
B+
Retailer 5
-
$600 AUD
View
B+
Retailer 6
-
$671 AUD
View
Most Expensive
B
MOH London
LG766647563 · Nov 4
$1,167 AUD
£643 GBP
View
6 more retailers have this diamond
Prices start from $403 AUDSave up to $764 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
$403 AUD