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Cushion|Lab Grown|IGI

1.28ct D VVS1 Cushion Lab Grown Diamond

EX • D/VVS1 • IGI LG768614853

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG768614853

Diamond specifications and retailer prices

From $505 NZD
As of November 4, 2026
Save $1,928 NZD (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,433 NZD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

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 LG768614853 or 768614853. Listed at 18 retailers as of November 4, 2026, with prices from $505 to $2,433, a $1,928 spread on the same certified stone. Reve Diamonds lists it at $2,433. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768614853
Dimensions5.75 × 5.75 × 3.71 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
5.75 mm5.75 mm1.28 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768614853
Side View
Table 61.0%Crown 34.4°Girdle: THN-VTKPavilion 36.3°Culet: NoneDepth 64.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $635 NZD|Low: $505 NZD|High: $2,442 NZD|Avg: $1,363 NZD|-2.7%
Retailer 1
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
Reve Diamonds
November 5, 2026
Retailer 4$505 NZD
Retailer 9$566 NZD
Retailer 3$614 NZD
Retailer 1$635 NZD
Retailer 12$756 NZD
Retailer 16$756 NZD
Retailer 14$970 NZD
Retailer 15$1,014 NZD
Retailer 10$1,060 NZD
Retailer 8$1,171 NZD
Retailer 13$1,375 NZD
Retailer 6$1,770 NZD
Retailer 5$1,809 NZD
Retailer 2$1,882 NZD
Retailer 17$1,896 NZD
Retailer 7$2,195 NZD
Retailer 11$2,245 NZD
Reve Diamonds$2,433 NZD

35 data points across 18 retailers

18 retailers$505 NZD to $2,433 NZD

A
Cheapest Retailer
-
$505 NZD
Final sale: no returns
Retailer 2
-
$566 NZD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$614 NZD
View
A
Retailer 4
-
$635 NZD
View
A
Retailer 5
-
$756 NZD
View
A
Retailer 6
-
$756 NZD
View
A
Retailer 7
-
$970 NZD
View
A
Retailer 8
-
$1,014 NZD
View
A
Retailer 9
-
$1,060 NZD
View
B+
Retailer 10
-
$1,171 NZD
View
B+
Retailer 11
-
$1,375 NZD
View
Retailer 12
-
$1,770 NZD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$1,809 NZD
View
Retailer 14
-
$1,882 NZD
View
Price last confirmed 7 days ago
B
Retailer 15
-
$1,896 NZD
View
B
Retailer 16
-
$2,195 NZD
View
B
Retailer 17
-
$2,245 NZD
View
Most Expensive
B
Reve Diamonds
ABBB000B6 · Nov 4
$2,433 NZD
$1,368 USD
View
17 more retailers have this diamond
Prices start from $505 NZDSave up to $1,928 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
$505 NZD