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Marquise|Lab Grown|IGI

1.45ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG751511112

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG751511112

Diamond specifications and retailer prices

From $419 AUD
As of November 4, 2026
Save $1,877 AUD (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,721 AUD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

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 LG751511112 or 751511112. Listed at 17 retailers as of November 1, 2026, with a 448% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle34.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG751511112
Dimensions12.20 × 5.89 × 3.59 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
12.20 mm5.89 mm1.45 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG751511112
Side View
Table 60.0%Crown 34.3°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.0%

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: $3,721 AUD|Low: $402 AUD|High: $3,721 AUD|Avg: $1,424 AUD
Do Amore Diamonds
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
Retailer 17
Retailer 18
November 5, 2026
Retailer 16$419 AUD
Retailer 6$469 AUD
Retailer 4$486 AUD
Retailer 5$519 AUD
Retailer 17$519 AUD
Retailer 8$734 AUD
Retailer 13$741 AUD
Retailer 3$851 AUD
Retailer 2$1,014 AUD
Retailer 11$1,408 AUD
Retailer 14$1,461 AUD
Retailer 15$1,595 AUD
Retailer 18$1,843 AUD
Retailer 7$2,073 AUD
Retailer 9$2,121 AUD
Retailer 12$2,296 AUD
Retailer 10$2,965 AUD
Do Amore Diamonds$3,721 AUD

44 data points across 18 retailers

17 retailers$419 AUD to $2,296 AUD

A
Cheapest Retailer
-
$419 AUD
A
Retailer 2
-
$469 AUD
View
Final sale: no returns
A
Retailer 3
-
$486 AUD
View
A
Retailer 4
-
$519 AUD
View
Retailer 5
-
$519 AUD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$734 AUD
View
A
Retailer 7
-
$741 AUD
View
B+
Retailer 8
-
$851 AUD
View
B+
Retailer 9
-
$1,014 AUD
View
B+
Retailer 10
-
$1,408 AUD
View
Retailer 11
-
$1,461 AUD
View
Price last confirmed 8 days ago
B
Retailer 12
-
$1,595 AUD
View
B
Retailer 13
-
$1,843 AUD
View
B
Retailer 14
-
$2,073 AUD
View
B
Retailer 15
-
$2,121 AUD
View
B
Retailer 16
-
$2,296 AUD
View
Most Expensive
Do Amore Diamonds
27-E815C5346 · Nov 4
$3,721 AUD
$2,610 USD
View
Price under review
16 more retailers have this diamond
Prices start from $419 AUDSave up to $1,877 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
$419 AUD