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Marquise|Lab Grown|IGI

1.00ct H VS1 Marquise Lab Grown Diamond

ID • H/VS1 • IGI LG603343098

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG603343098

Diamond specifications and retailer prices

From $331 AUD
As of November 4, 2026
Save $1,313 AUD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,644 AUD at MOH London · As of November 2, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG603343098 or 603343098. Listed at 13 retailers as of November 2, 2026, with prices from $331 to $1,644, a $1,313 spread on the same certified stone. MOH London lists it at $1,644. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG603343098
Dimensions11.02 × 5.21 × 3.01 mm
L/W Ratio2.12
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.02 mm5.21 mm1.00 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG603343098
Side View
Table 64.0%Crown 32.7°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 57.8%

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: $1,644 AUD|Low: $318 AUD|High: $1,664 AUD|Avg: $903 AUD|+2.1%
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
November 2, 2026
Retailer 11$331 AUD
Retailer 16$383 AUD
Retailer 3$411 AUD
Retailer 13$411 AUD
Retailer 15$696 AUD
Retailer 2$708 AUD
Retailer 7$711 AUD
Retailer 4$740 AUD
Retailer 12$898 AUD
Retailer 9$1,001 AUD
Retailer 6$1,069 AUD
Retailer 8$1,075 AUD
Retailer 14$1,319 AUD
Retailer 10$1,324 AUD
Retailer 5$1,564 AUD
MOH London$1,644 AUD

26 data points across 16 retailers

13 retailers$331 AUD to $1,644 AUD

A
Cheapest Retailer
-
$331 AUD
A
Retailer 2
-
$383 AUD
View
Retailer 3
-
$411 AUD
View
Price last confirmed 11 days ago
A
Retailer 4
-
$411 AUD
View
A
Retailer 5
-
$696 AUD
View
A
Retailer 6
-
$708 AUD
View
A
Retailer 7
-
$711 AUD
View
A
Retailer 8
-
$740 AUD
View
A
Retailer 9
-
$898 AUD
View
Retailer 10
-
$1,001 AUD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$1,319 AUD
View
B+
Retailer 12
-
$1,324 AUD
View
Most Expensive
B+
MOH London
LG603343098 · Nov 2
$1,644 AUD
£908 GBP
View
12 more retailers have this diamond
Prices start from $331 AUDSave up to $1,313 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
$331 AUD