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Marquise|Lab Grown|IGI

1.45ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG811675539

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811675539

Diamond specifications and retailer prices

From $318 AUD
As of November 4, 2026
Save $1,607 AUD (83%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $1,924 AUD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1.45ct lab-grown marquise diamond

This 1.45ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811675539 or 811675539. Listed at 24 retailers as of November 3, 2026, with prices from $318 to $1,924, a $1,607 spread on the same certified stone. Brilliant Earth lists it at $1,924. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811675539
Dimensions11.56 × 6.08 × 3.68 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.56 mm6.08 mm1.45 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811675539
Side View
Table 63.0%Crown 32.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
A+
Exceptional
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: $1,924 AUD|Low: $318 AUD|High: $2,224 AUD|Avg: $963 AUD|-13.5%
Brilliant Earth
Retailer 2
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November 5, 2026
Retailer 20$318 AUD
Retailer 19$355 AUD
Retailer 24$369 AUD
Retailer 2$393 AUD
Retailer 16$438 AUD
Retailer 18$525 AUD
Retailer 8$643 AUD
Retailer 12$671 AUD
Retailer 23$671 AUD
Retailer 13$726 AUD
Retailer 17$756 AUD
Retailer 3$931 AUD
Retailer 10$968 AUD
Retailer 4$1,045 AUD
Retailer 21$1,266 AUD
Retailer 7$1,276 AUD
Retailer 5$1,340 AUD
Retailer 6$1,357 AUD
Retailer 9$1,376 AUD
Retailer 14$1,426 AUD
Retailer 11$1,542 AUD
Retailer 15$1,601 AUD
Retailer 22$1,805 AUD
Brilliant Earth$1,924 AUD

33 data points across 24 retailers

24 retailers$318 AUD to $1,924 AUD

A+
Cheapest Retailer
-
$318 AUD
A
Retailer 2
-
$355 AUD
View
Final sale: no returns
A
Retailer 3
-
$369 AUD
View
A
Retailer 4
-
$393 AUD
View
A
Retailer 5
-
$438 AUD
View
A
Retailer 6
-
$525 AUD
View
A
Retailer 7
-
$643 AUD
View
A
Retailer 8
-
$671 AUD
View
Retailer 9
-
$671 AUD
View
Price last confirmed 13 days ago
A
Retailer 10
-
$726 AUD
View
Retailer 11
-
$756 AUD
View
Price last confirmed 10 days ago
B+
Retailer 12
-
$931 AUD
View
Retailer 13
-
$968 AUD
View
Price last confirmed 12 days ago
B+
Retailer 14
-
$1,045 AUD
View
B+
Retailer 15
-
$1,266 AUD
View
B+
Retailer 16
-
$1,276 AUD
View
B+
Retailer 17
-
$1,340 AUD
View
B
Retailer 18
-
$1,357 AUD
View
Retailer 19
-
$1,376 AUD
View
Price last confirmed 7 days ago
Retailer 20
-
$1,426 AUD
View
Price last confirmed 8 days ago
Retailer 21
-
$1,542 AUD
View
Price last confirmed 11 days ago
Retailer 22
-
$1,601 AUD
View
Price last confirmed 15 days ago
B
Retailer 23
-
$1,805 AUD
View
Most Expensive
B
Brilliant Earth
20477044A · Nov 3
$1,924 AUD
$1,350 USD
View
23 more retailers have this diamond
Prices start from $318 AUDSave up to $1,607 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+
1.45ct Marquise
$318 AUD