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Cushion|Lab Grown|IGI

1.30ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG831681838

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG831681838

Diamond specifications and retailer prices

From $430 NZD
As of November 5, 2026
Save $2,795 NZD (87%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,225 NZD at Helzberg Diamonds · As of November 4, 2026
View at Helzberg Diamonds

About this 1.3ct lab-grown cushion diamond

This 1.3ct 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 LG831681838 or 831681838. Listed at 8 retailers as of November 4, 2026, with prices from $430 to $3,225, a $2,795 spread on the same certified stone. Helzberg Diamonds lists it at $3,225. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831681838
Dimensions7.90 × 5.49 × 3.61 mm
L/W Ratio1.44
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
7.90 mm5.49 mm1.30 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831681838
Side View
Table 56.0%Crown 34.3°Girdle: MED-THKPavilion 35.2°Culet: NoneDepth 65.8%

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 5
Current: $3,225 NZD|Low: $430 NZD|High: $3,225 NZD|Avg: $1,770 NZD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 3$430 NZD
Retailer 2$541 NZD
Retailer 4$877 NZD
Retailer 8$1,560 NZD
Retailer 7$1,628 NZD
Retailer 5$1,909 NZD
Retailer 6$2,330 NZD
Helzberg Diamonds$3,225 NZD

2 data points across 8 retailers

8 retailers$430 NZD to $3,225 NZD

A
Cheapest Retailer
-
$430 NZD
Final sale: no returns
A
Retailer 2
-
$541 NZD
View
A
Retailer 3
-
$877 NZD
View
B+
Retailer 4
-
$1,560 NZD
View
B+
Retailer 5
-
$1,628 NZD
View
B
Retailer 6
-
$1,909 NZD
View
B
Retailer 7
-
$2,330 NZD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJHMOHOJO · Nov 4
$3,225 NZD
$1,813 USD
View
7 more retailers have this diamond
Prices start from $430 NZDSave up to $2,795 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
1.30ct Cushion
$430 NZD