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Cushion|Lab Grown|IGI

1.22ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG811602535

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG811602535

Diamond specifications and retailer prices

From $812 NZD
As of November 4, 2026
Save $3,019 NZD (79%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,832 NZD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.22ct lab-grown cushion diamond

This 1.22ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811602535 or 811602535. Listed at 17 retailers as of November 4, 2026, with prices from $812 to $3,832, a $3,019 spread on the same certified stone. Brilliant Earth lists it at $3,832. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811602535
Dimensions7.19 × 5.69 × 3.87 mm
L/W Ratio1.26
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
7.19 mm5.69 mm1.22 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811602535
Side View
Table 61.0%Crown 32.1°Girdle: MED-STKPavilion 37.3°Culet: NoneDepth 68.0%

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 4
Current: $3,832 NZD|Low: $812 NZD|High: $4,554 NZD|Avg: $2,104 NZD|-11.1%
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
Retailer 17
November 5, 2026
Retailer 5$812 NZD
Retailer 16$899 NZD
Retailer 4$999 NZD
Retailer 14$1,162 NZD
Retailer 6$1,210 NZD
Retailer 3$1,309 NZD
Retailer 13$1,435 NZD
Retailer 2$1,456 NZD
Retailer 17$1,481 NZD
Retailer 11$1,552 NZD
Retailer 10$2,200 NZD
Retailer 15$2,856 NZD
Retailer 8$2,867 NZD
Retailer 9$2,955 NZD
Retailer 7$3,301 NZD
Retailer 12$3,516 NZD
Brilliant Earth$3,832 NZD

39 data points across 17 retailers

17 retailers$812 NZD to $3,832 NZD

A
Cheapest Retailer
-
$812 NZD
Final sale: no returns
Retailer 2
-
$899 NZD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$999 NZD
View
A
Retailer 4
-
$1,162 NZD
View
A
Retailer 5
-
$1,210 NZD
View
A
Retailer 6
-
$1,309 NZD
View
A
Retailer 7
-
$1,435 NZD
View
A
Retailer 8
-
$1,456 NZD
View
A
Retailer 9
-
$1,481 NZD
View
A
Retailer 10
-
$1,552 NZD
View
B+
Retailer 11
-
$2,200 NZD
View
Retailer 12
-
$2,856 NZD
View
Price last confirmed 8 days ago
B
Retailer 13
-
$2,867 NZD
View
B
Retailer 14
-
$2,955 NZD
View
B
Retailer 15
-
$3,301 NZD
View
B
Retailer 16
-
$3,516 NZD
View
Most Expensive
B
Brilliant Earth
20512786A · Nov 4
$3,832 NZD
$2,160 USD
View
16 more retailers have this diamond
Prices start from $812 NZDSave up to $3,019 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
1.22ct Cushion
$812 NZD