Cushion|Lab Grown|IGI

1.45ct D VVS1 Cushion Lab Grown Diamond

VG • D/VVS1 • IGI LG840634866

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840634866

Diamond specifications and retailer prices

From $475 NZD
As of November 4, 2026
Save $3,172 NZD (87%) vs most expensive(unlock to see where)
17 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 LG840634866 or 840634866. Listed at 17 retailers as of November 4, 2026, with prices from $475 to $3,647, a $3,172 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 angle33.9°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634866
Dimensions8.07 × 5.68 × 3.88 mm
L/W Ratio1.42
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
8.07 mm5.68 mm1.45 ctD / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634866
Side View
Table 59.0%Crown 33.9°Girdle: MED-THKPavilion 35.6°Culet: NoneDepth 68.3%

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: $4,198 NZD|Avg: $1,587 NZD
Helzberg Diamonds
Retailer 2
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
November 5, 2026
Retailer 3$475 NZD
Retailer 2$594 NZD
Retailer 16$879 NZD
Retailer 9$881 NZD
Retailer 4$888 NZD
Retailer 14$905 NZD
Retailer 17$968 NZD
Retailer 10$984 NZD
Retailer 12$1,286 NZD
Retailer 13$1,329 NZD
Retailer 5$1,437 NZD
Retailer 6$1,715 NZD
Retailer 8$1,781 NZD
Retailer 11$2,097 NZD
Retailer 15$2,508 NZD
Retailer 7$3,398 NZD
Helzberg Diamonds$3,647 NZD

21 data points across 17 retailers

17 retailers$475 NZD to $3,647 NZD

A
Cheapest Retailer
-
$475 NZD
Final sale: no returns
A
Retailer 2
-
$594 NZD
View
A
Retailer 3
-
$879 NZD
View
Retailer 4
-
$881 NZD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$888 NZD
View
A
Retailer 6
-
$905 NZD
View
A
Retailer 7
-
$968 NZD
View
A
Retailer 8
-
$984 NZD
View
A
Retailer 9
-
$1,286 NZD
View
B+
Retailer 10
-
$1,329 NZD
View
B+
Retailer 11
-
$1,437 NZD
View
B+
Retailer 12
-
$1,715 NZD
View
B+
Retailer 13
-
$1,781 NZD
View
B
Retailer 14
-
$2,097 NZD
View
B
Retailer 15
-
$2,508 NZD
View
Retailer 16
-
$3,398 NZD
View
Price last confirmed 10 days ago
Most Expensive
B
Helzberg Diamonds
ZXZOKGMJKOMM · Nov 4
$3,647 NZD
$2,050 USD
View
16 more retailers have this diamond
Prices start from $475 NZDSave up to $3,172 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
$475 NZD