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Cushion|Lab Grown|IGI

1.45ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG816615816

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

Certificate IGI LG816615816

Diamond specifications and retailer prices

From $455 NZD
As of November 4, 2026
Save $2,853 NZD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,309 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG816615816 or 816615816. Listed at 17 retailers as of November 4, 2026, with prices from $455 to $3,309, a $2,853 spread on the same certified stone. Brilliant Earth lists it at $3,309. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816615816
Dimensions6.55 × 6.50 × 4.27 mm
L/W Ratio1.01
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
6.55 mm6.50 mm1.45 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816615816
Side View
Table 64.0%Crown 35.9°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 65.7%

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: $3,309 NZD|Low: $448 NZD|High: $3,611 NZD|Avg: $1,424 NZD|-8.4%
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
Retailer 16
November 5, 2026
Retailer 15$455 NZD
Retailer 7$498 NZD
Retailer 4$861 NZD
Retailer 12$873 NZD
Retailer 14$873 NZD
Retailer 2$937 NZD
Retailer 10$1,236 NZD
Retailer 11$1,345 NZD
Retailer 5$1,357 NZD
Retailer 3$1,434 NZD
Retailer 16$1,685 NZD
Retailer 6$1,718 NZD
Retailer 8$1,951 NZD
Retailer 9$2,021 NZD
Retailer 13$2,490 NZD
Brilliant Earth$3,309 NZD

39 data points across 16 retailers

17 retailers$455 NZD to $3,309 NZD

A
Cheapest Retailer
-
$455 NZD
Final sale: no returns
Retailer 2
-
$498 NZD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$861 NZD
View
A
Retailer 4
-
$873 NZD
View
A
Retailer 5
-
$873 NZD
View
A
Retailer 6
-
$937 NZD
View
A
Retailer 7
-
$1,236 NZD
View
B+
Retailer 8
-
$1,345 NZD
View
A
Retailer 9
-
$1,357 NZD
View
B+
Retailer 10
-
$1,434 NZD
View
B+
Retailer 11
-
$1,685 NZD
View
B+
Retailer 12
-
$1,718 NZD
View
Retailer 13
-
$1,951 NZD
View
Price last confirmed 22 days ago
B+
Retailer 14
-
$2,021 NZD
View
B+
Retailer 15
-
$2,490 NZD
View
B
Retailer 16
-
$2,508 NZD
View
Most Expensive
B
Brilliant Earth
21421610A · Nov 4
$3,309 NZD
$1,860 USD
View
16 more retailers have this diamond
Prices start from $455 NZDSave up to $2,853 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
$455 NZD