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Marquise|Lab Grown|IGI

1.45ct D VVS1 Marquise Lab Grown Diamond

EX • D/VVS1 • IGI LG768628520

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG768628520

Diamond specifications and retailer prices

From $749 AUD
As of November 6, 2026
Save $2,480 AUD (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,228 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 LG768628520 or 768628520. Listed at 13 retailers as of November 4, 2026, with prices from $749 to $3,228, a $2,480 spread on the same certified stone. Brilliant Earth lists it at $3,228. 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 angle36.6°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768628520
Dimensions12.28 × 5.74 × 3.66 mm
L/W Ratio2.14
Girdle conditionFaceted
Culet sizePointed
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
12.28 mm5.74 mm1.45 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768628520
Side View
Table 59.0%Crown 36.6°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 63.8%

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 6
Current: $3,228 AUD|Low: $734 AUD|High: $3,843 AUD|Avg: $1,735 AUD|-16.0%
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
November 6, 2026
Retailer 9$749 AUD
Retailer 10$797 AUD
Retailer 2$917 AUD
Retailer 7$920 AUD
Retailer 5$941 AUD
Retailer 6$997 AUD
Retailer 11$1,276 AUD
Retailer 13$2,043 AUD
Retailer 12$2,046 AUD
Retailer 3$2,071 AUD
Retailer 8$2,256 AUD
Retailer 4$2,397 AUD
Brilliant Earth$3,228 AUD

44 data points across 13 retailers

13 retailers$749 AUD to $3,228 AUD

A
Cheapest Retailer
-
$749 AUD
A
Retailer 2
-
$797 AUD
View
A
Retailer 3
-
$917 AUD
View
A
Retailer 4
-
$920 AUD
View
A
Retailer 5
-
$941 AUD
View
A
Retailer 6
-
$997 AUD
View
B+
Retailer 7
-
$1,276 AUD
View
Retailer 8
-
$2,043 AUD
View
Price last confirmed 7 days ago
B
Retailer 9
-
$2,046 AUD
View
Retailer 10
-
$2,071 AUD
View
Price last confirmed 9 days ago
B
Retailer 11
-
$2,256 AUD
View
B
Retailer 12
-
$2,397 AUD
View
Most Expensive
B
Brilliant Earth
20869944Y · Nov 4
$3,228 AUD
$2,260 USD
View
12 more retailers have this diamond
Prices start from $749 AUDSave up to $2,480 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
$749 AUD