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Cushion|Lab Grown|IGI

1.28ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG794641717

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

Certificate IGI LG794641717

Diamond specifications and retailer prices

From $443 NZD
As of November 4, 2026
Save $2,652 NZD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,095 NZD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 1.28ct lab-grown cushion diamond

This 1.28ct 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 LG794641717 or 794641717. Listed at 17 retailers as of November 4, 2026, with prices from $443 to $3,095, a $2,652 spread on the same certified stone. Brilliant Earth lists it at $3,095. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794641717
Dimensions6.35 × 6.31 × 4.12 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
6.35 mm6.31 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794641717
Side View
Table 63.0%Crown 33.6°Girdle: MED-THKPavilion 39.4°Culet: NoneDepth 65.3%

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: $3,095 NZD|Low: $438 NZD|High: $3,095 NZD|Avg: $1,133 NZD
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 10$443 NZD
Retailer 8$486 NZD
Retailer 2$557 NZD
Retailer 15$804 NZD
Retailer 3$838 NZD
Retailer 13$849 NZD
Retailer 9$907 NZD
Retailer 16$1,151 NZD
Retailer 11$1,203 NZD
Retailer 12$1,331 NZD
Retailer 6$1,674 NZD
Retailer 7$1,855 NZD
Retailer 5$1,925 NZD
Retailer 14$1,969 NZD
Retailer 4$2,252 NZD
Brilliant Earth$3,095 NZD

27 data points across 16 retailers

17 retailers$443 NZD to $3,095 NZD

A
Cheapest Retailer
-
$443 NZD
Final sale: no returns
Retailer 2
-
$486 NZD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$557 NZD
View
A
Retailer 4
-
$804 NZD
View
A
Retailer 5
-
$838 NZD
View
A
Retailer 6
-
$849 NZD
View
A
Retailer 7
-
$907 NZD
View
B+
Retailer 8
-
$1,151 NZD
View
A
Retailer 9
-
$1,203 NZD
View
B+
Retailer 10
-
$1,331 NZD
View
B+
Retailer 11
-
$1,674 NZD
View
Retailer 12
-
$1,855 NZD
View
Price last confirmed 7 days ago
B
Retailer 13
-
$1,925 NZD
View
B+
Retailer 14
-
$1,969 NZD
View
Retailer 15
-
$2,174 NZD
View
Price last confirmed 115 days ago
B
Retailer 16
-
$2,252 NZD
View
Most Expensive
B
Brilliant Earth
19355098A · Nov 5
$3,095 NZD
$1,740 USD
View
16 more retailers have this diamond
Prices start from $443 NZDSave up to $2,652 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
1.28ct Cushion
$443 NZD