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Cushion|Lab Grown|IGI

1.45ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG743516715

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG743516715

Diamond specifications and retailer prices

From $433 NZD
As of November 4, 2026
Save $2,636 NZD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,069 NZD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.45ct lab-grown cushion diamond

This 1.45ct lab-grown cushion 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 LG743516715 or 743516715. Listed at 16 retailers as of November 4, 2026, with prices from $433 to $3,069, a $2,636 spread on the same certified stone. Brilliant Earth lists it at $3,069. 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 angle34.6°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743516715
Dimensions6.56 × 6.56 × 4.39 mm
L/W Ratio1.00
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
6.56 mm6.56 mm1.45 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743516715
Side View
Table 59.0%Crown 34.6°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 66.9%

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 4
Current: $3,069 NZD|Low: $640 NZD|High: $3,229 NZD|Avg: $1,250 NZD|-4.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 4$640 NZD
Retailer 11$648 NZD
Retailer 7$830 NZD
Retailer 8$873 NZD
Retailer 5$883 NZD
Retailer 3$928 NZD
Retailer 6$1,176 NZD
Retailer 10$1,219 NZD
Retailer 9$1,579 NZD
Retailer 2$1,921 NZD
Brilliant Earth$3,069 NZD

43 data points across 11 retailers

16 retailers$433 NZD to $3,069 NZD

A
Cheapest Retailer
-
$433 NZD
Final sale: no returns
A
Retailer 2
-
$640 NZD
View
B+
Retailer 3
-
$648 NZD
View
A
Retailer 4
-
$830 NZD
View
A
Retailer 5
-
$873 NZD
View
A
Retailer 6
-
$883 NZD
View
A
Retailer 7
-
$928 NZD
View
B+
Retailer 8
-
$1,132 NZD
View
A
Retailer 9
-
$1,176 NZD
View
B+
Retailer 10
-
$1,219 NZD
View
Retailer 11
-
$1,579 NZD
View
Price last confirmed 17 days ago
B+
Retailer 12
-
$1,639 NZD
View
Retailer 13
-
$1,666 NZD
View
Price last confirmed 88 days ago
B+
Retailer 14
-
$1,921 NZD
View
B
Retailer 15
-
$2,223 NZD
View
Most Expensive
B
Brilliant Earth
21312909A · Nov 4
$3,069 NZD
$1,730 USD
View
15 more retailers have this diamond
Prices start from $433 NZDSave up to $2,636 NZD

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 Cushion
$433 NZD