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Marquise|Lab Grown|IGI

1.45ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG799671510

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG799671510

Diamond specifications and retailer prices

From $510 AUD
As of November 4, 2026
Save $1,899 AUD (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,409 AUD at Brilliant Earth · As of November 4, 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 LG799671510 or 799671510. Listed at 14 retailers as of November 4, 2026, with prices from $510 to $2,409, a $1,899 spread on the same certified stone. Brilliant Earth lists it at $2,409. 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 angle34.7°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799671510
Dimensions11.68 × 6.02 × 3.59 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.68 mm6.02 mm1.45 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799671510
Side View
Table 59.0%Crown 34.7°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 59.6%

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: $2,409 AUD|Low: $510 AUD|High: $2,751 AUD|Avg: $1,283 AUD|-12.4%
Brilliant Earth
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 8$510 AUD
Retailer 10$613 AUD
Retailer 2$815 AUD
Retailer 13$890 AUD
Retailer 5$909 AUD
Retailer 12$954 AUD
Retailer 6$955 AUD
Retailer 14$998 AUD
Retailer 11$1,202 AUD
Retailer 9$1,468 AUD
Retailer 3$1,490 AUD
Retailer 4$1,498 AUD
Retailer 7$1,733 AUD
Brilliant Earth$2,409 AUD

43 data points across 14 retailers

14 retailers$510 AUD to $2,409 AUD

A
Cheapest Retailer
-
$510 AUD
B+
Retailer 2
-
$613 AUD
View
A
Retailer 3
-
$815 AUD
View
A
Retailer 4
-
$890 AUD
View
B+
Retailer 5
-
$909 AUD
View
B+
Retailer 6
-
$954 AUD
View
B+
Retailer 7
-
$955 AUD
View
B+
Retailer 8
-
$998 AUD
View
B+
Retailer 9
-
$1,202 AUD
View
B
Retailer 10
-
$1,468 AUD
View
Retailer 11
-
$1,490 AUD
View
Price last confirmed 8 days ago
Retailer 12
-
$1,498 AUD
View
Price last confirmed 31 days ago
B
Retailer 13
-
$1,733 AUD
View
Most Expensive
B
Brilliant Earth
20502761A · Nov 4
$2,409 AUD
$1,690 USD
View
13 more retailers have this diamond
Prices start from $510 AUDSave up to $1,899 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
$510 AUD