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Marquise|Lab Grown|IGI

1.45ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG777624645

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG777624645

Diamond specifications and retailer prices

From $305 AUD
As of November 4, 2026
Save $2,318 AUD (88%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,623 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 LG777624645 or 777624645. Listed at 16 retailers as of November 3, 2026, with prices from $305 to $2,623, a $2,318 spread on the same certified stone. Brilliant Earth lists it at $2,623. 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 angle34.4°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG777624645
Dimensions12.23 × 5.91 × 3.57 mm
L/W Ratio2.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.23 mm5.91 mm1.45 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG777624645
Side View
Table 62.0%Crown 34.4°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 60.4%

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 4
Current: $693 AUD|Low: $294 AUD|High: $1,581 AUD|Avg: $778 AUD
Retailer 1
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
November 5, 2026
Retailer 12$305 AUD
Retailer 4$341 AUD
Retailer 11$354 AUD
Retailer 14$378 AUD
Retailer 5$510 AUD
Retailer 9$653 AUD
Retailer 1$693 AUD
Retailer 2$738 AUD
Retailer 3$908 AUD
Retailer 8$925 AUD
Retailer 13$1,216 AUD
Retailer 10$1,220 AUD
Retailer 6$1,292 AUD
Retailer 7$1,511 AUD

42 data points across 14 retailers

16 retailers$305 AUD to $2,623 AUD

A
Cheapest Retailer
-
$305 AUD
A
Retailer 2
-
$341 AUD
View
Final sale: no returns
A
Retailer 3
-
$354 AUD
View
Retailer 4
-
$378 AUD
View
Price last confirmed 20 days ago
A
Retailer 5
-
$378 AUD
View
B+
Retailer 6
-
$510 AUD
View
A
Retailer 7
-
$653 AUD
View
A
Retailer 8
-
$693 AUD
View
A
Retailer 9
-
$738 AUD
View
B+
Retailer 10
-
$908 AUD
View
A
Retailer 11
-
$925 AUD
View
B+
Retailer 12
-
$1,216 AUD
View
B+
Retailer 13
-
$1,220 AUD
View
B+
Retailer 14
-
$1,292 AUD
View
B
Retailer 15
-
$1,511 AUD
View
Most Expensive
B
Brilliant Earth
20287040A · Nov 3
$2,623 AUD
$1,840 USD
View
15 more retailers have this diamond
Prices start from $305 AUDSave up to $2,318 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
$305 AUD