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Cushion|Lab Grown|IGI

1.45ct D VVS1 Cushion Lab Grown Diamond

VG • D/VVS1 • IGI LG831680095

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

Certificate IGI LG831680095

Diamond specifications and retailer prices

From $454 NZD
As of November 4, 2026
Save $3,193 NZD (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,647 NZD at Helzberg Diamonds · As of November 4, 2026
View at Helzberg Diamonds

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 very-good cut grade and certified by IGI LG831680095 or 831680095. Listed at 18 retailers as of November 4, 2026, with prices from $454 to $3,647, a $3,193 spread on the same certified stone. Helzberg Diamonds lists it at $3,647. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.45
Carat
D
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831680095
Dimensions6.64 × 6.48 × 4.01 mm
L/W Ratio1.02
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
6.64 mm6.48 mm1.45 ctD / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831680095
Side View
Table 66.0%Crown 35.6°Girdle: STK-THKPavilion 35.7°Culet: NoneDepth 61.9%

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: $3,647 NZD|Low: $454 NZD|High: $3,647 NZD|Avg: $1,483 NZD
Helzberg Diamonds
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
Retailer 17
November 5, 2026
Retailer 9$454 NZD
Retailer 2$567 NZD
Retailer 16$827 NZD
Retailer 5$852 NZD
Retailer 14$865 NZD
Retailer 10$927 NZD
Retailer 4$946 NZD
Retailer 12$1,226 NZD
Retailer 11$1,331 NZD
Retailer 6$1,412 NZD
Retailer 3$1,432 NZD
Retailer 7$1,704 NZD
Retailer 17$1,747 NZD
Retailer 13$2,008 NZD
Retailer 15$2,517 NZD
Retailer 8$3,077 NZD
Helzberg Diamonds$3,647 NZD

8 data points across 17 retailers

18 retailers$454 NZD to $3,647 NZD

A
Cheapest Retailer
-
$454 NZD
Final sale: no returns
A
Retailer 2
-
$567 NZD
View
A
Retailer 3
-
$827 NZD
View
A
Retailer 4
-
$852 NZD
View
A
Retailer 5
-
$865 NZD
View
A
Retailer 6
-
$927 NZD
View
A
Retailer 7
-
$946 NZD
View
B+
Retailer 8
-
$1,226 NZD
View
B+
Retailer 9
-
$1,331 NZD
View
B+
Retailer 10
-
$1,412 NZD
View
B+
Retailer 11
-
$1,432 NZD
View
B
Retailer 12
-
$1,704 NZD
View
B+
Retailer 13
-
$1,747 NZD
View
B
Retailer 14
-
$2,008 NZD
View
B
Retailer 15
-
$2,490 NZD
View
B
Retailer 16
-
$2,517 NZD
View
B
Retailer 17
-
$3,077 NZD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJHMOGGPL · Nov 4
$3,647 NZD
$2,050 USD
View
17 more retailers have this diamond
Prices start from $454 NZDSave up to $3,193 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
$454 NZD