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Marquise|Lab Grown|IGI

1.45ct D VVS1 Marquise Lab Grown Diamond

EX • D/VVS1 • IGI LG787623588

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG787623588

Diamond specifications and retailer prices

From $657 AUD
As of November 6, 2026
Save $3,214 AUD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,871 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG787623588 or 787623588. Listed at 15 retailers as of November 4, 2026, with prices from $657 to $3,871, a $3,214 spread on the same certified stone. Brilliant Earth lists it at $3,871. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787623588
Dimensions11.56 × 5.93 × 3.72 mm
L/W Ratio1.95
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
11.56 mm5.93 mm1.45 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787623588
Side View
Table 60.0%Crown 36.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.7%

Caratlytics Score

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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 6
Current: $3,871 AUD|Low: $657 AUD|High: $3,886 AUD|Avg: $1,564 AUD|-0.4%
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
Retailer 15
November 6, 2026
Retailer 11$657 AUD
Retailer 12$797 AUD
Retailer 2$917 AUD
Retailer 7$997 AUD
Retailer 8$997 AUD
Retailer 3$1,099 AUD
Retailer 5$1,103 AUD
Retailer 9$1,197 AUD
Retailer 14$1,276 AUD
Retailer 13$1,606 AUD
Retailer 15$1,880 AUD
Retailer 6$2,063 AUD
Retailer 4$2,093 AUD
Retailer 10$2,256 AUD
Brilliant Earth$3,871 AUD

44 data points across 15 retailers

15 retailers$657 AUD to $3,871 AUD

A
Cheapest Retailer
-
$657 AUD
A
Retailer 2
-
$797 AUD
View
A
Retailer 3
-
$917 AUD
View
A
Retailer 4
-
$997 AUD
View
A
Retailer 5
-
$997 AUD
View
B+
Retailer 6
-
$1,099 AUD
View
B+
Retailer 7
-
$1,103 AUD
View
B+
Retailer 8
-
$1,197 AUD
View
B+
Retailer 9
-
$1,276 AUD
View
B+
Retailer 10
-
$1,606 AUD
View
B
Retailer 11
-
$1,880 AUD
View
Retailer 12
-
$2,063 AUD
View
Price last confirmed 35 days ago
Retailer 13
-
$2,093 AUD
View
Price last confirmed 9 days ago
B
Retailer 14
-
$2,256 AUD
View
Most Expensive
B
Brilliant Earth
20051883A · Nov 4
$3,871 AUD
$2,710 USD
View
14 more retailers have this diamond
Prices start from $657 AUDSave up to $3,214 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
$657 AUD