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Cushion|Lab Grown|IGI

1.00ct D VS2 Cushion Lab Grown Diamond

ID • D/VS2 • IGI LG840630390

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840630390

Diamond specifications and retailer prices

From $326 NZD
$184 USD
As of October 30, 2026
Save $1,847 NZD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,174 NZD at Helzberg Diamonds · As of October 31, 2026
View at Helzberg Diamonds

About this 1ct lab-grown cushion diamond

This 1ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840630390 or 840630390. Listed at 15 retailers as of October 30, 2026, with prices from $326 to $2,174, a $1,847 spread on the same certified stone. Helzberg Diamonds lists it at $2,174. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840630390
Dimensions7.44 × 4.89 × 3.34 mm
L/W Ratio1.52
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
7.44 mm4.89 mm1.00 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840630390
Side View
Table 64.0%Crown 39.9°Girdle: THK-VTKPavilion 34.5°Culet: NoneDepth 68.3%

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: Oct 30
Current: $2,174 NZD|Low: $326 NZD|High: $2,174 NZD|Avg: $908 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
October 31, 2026
Retailer 14$326 NZD
Retailer 13$360 NZD
Retailer 3$434 NZD
Retailer 4$571 NZD
Retailer 10$632 NZD
Retailer 2$633 NZD
Retailer 6$649 NZD
Retailer 12$685 NZD
Retailer 15$914 NZD
Retailer 8$946 NZD
Retailer 7$989 NZD
Retailer 9$994 NZD
Retailer 5$1,257 NZD
Retailer 11$1,697 NZD
Helzberg Diamonds$2,174 NZD

19 data points across 15 retailers

15 retailers$326 NZD to $2,174 NZD

A
Cheapest Retailer
-
$326 NZD
$184 USD
Final sale: no returns
A
Retailer 2
-
$360 NZD
$203 USD
View
Retailer 3
-
$434 NZD
£193 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
$571 NZD
$322 USD
View
A
Retailer 5
-
$632 NZD
€339 EUR
View
A
Retailer 6
-
$633 NZD
£281 GBP
View
A
Retailer 7
-
$649 NZD
$366 USD
View
A
Retailer 8
-
$685 NZD
£304 GBP
View
Retailer 9
-
$914 NZD
$515 USD
View
Price last confirmed 12 days ago
B+
Retailer 10
-
$946 NZD
$533 USD
View
B+
Retailer 11
-
$989 NZD
SGD 753 SGD
View
B+
Retailer 12
-
$994 NZD
$560 USD
View
Retailer 13
-
$1,257 NZD
$709 USD
View
Price last confirmed 13 days ago
B
Retailer 14
-
$1,697 NZD
£753 GBP
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMJGJPG · Oct 31
$2,174 NZD
$1,225 USD
View
14 more retailers have this diamond
Prices start from $326 NZDSave up to $1,847 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
1.00ct Cushion
$326 NZD