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Marquise|Lab Grown|IGI

1.03ct F SI1 Marquise Lab Grown Diamond

ID • F/SI1 • IGI LG766647276

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG766647276

Diamond specifications and retailer prices

From $445 AUD
As of November 7, 2026
Save $773 AUD (63%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,218 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 1.03ct lab-grown marquise diamond

This 1.03ct lab-grown marquise sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG766647276 or 766647276. Listed at 7 retailers as of November 4, 2026, with prices from $445 to $1,218, a $773 spread on the same certified stone. MOH London lists it at $1,218. 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

1.03
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766647276
Dimensions10.79 × 5.20 × 3.30 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
10.79 mm5.20 mm1.03 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG766647276
Side View
Table 58.0%Crown 33.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.5%

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 7
Current: $1,218 AUD|Low: $434 AUD|High: $1,235 AUD|Avg: $635 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 7, 2026
Retailer 2$445 AUD
Retailer 7$450 AUD
Retailer 5$485 AUD
Retailer 3$495 AUD
Retailer 6$619 AUD
Retailer 4$713 AUD
MOH London$1,218 AUD

43 data points across 7 retailers

7 retailers$445 AUD to $1,218 AUD

A
Cheapest Retailer
-
$445 AUD
A
Retailer 2
-
$450 AUD
View
A
Retailer 3
-
$485 AUD
View
A
Retailer 4
-
$495 AUD
View
B+
Retailer 5
-
$619 AUD
View
B+
Retailer 6
-
$713 AUD
View
Most Expensive
B
MOH London
LG766647276 · Nov 4
$1,218 AUD
£659 GBP
View
6 more retailers have this diamond
Prices start from $445 AUDSave up to $773 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
1.03ct Marquise
$445 AUD