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Cushion|Lab Grown|IGI

1.53ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG798609626

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG798609626

Diamond specifications and retailer prices

From $665 NZD
As of November 4, 2026
Save $4,621 NZD (87%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $6,067 NZD at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

About this 1.53ct lab-grown cushion diamond

This 1.53ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG798609626 or 798609626. Listed at 24 retailers as of November 4, 2026, with a 695% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.9°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG798609626
Dimensions7.80 × 6.31 × 4.23 mm
L/W Ratio1.24
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
7.80 mm6.31 mm1.53 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG798609626
Side View
Table 61.0%Crown 30.9°Girdle: MED-STKPavilion 38.3°Culet: NoneDepth 67.0%

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: $5,091 NZD|Low: $665 NZD|High: $8,143 NZD|Avg: $2,242 NZD|-21.8%
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
Retailer 18
Retailer 19
Retailer 20
November 5, 2026
Retailer 7$665 NZD
Retailer 8$738 NZD
Retailer 14$859 NZD
Retailer 6$1,022 NZD
Retailer 19$1,059 NZD
Retailer 18$1,064 NZD
Retailer 20$1,194 NZD
Retailer 16$1,403 NZD
Retailer 2$1,446 NZD
Retailer 5$1,448 NZD
Retailer 17$1,533 NZD
Retailer 15$1,896 NZD
Retailer 12$2,686 NZD
Retailer 4$2,785 NZD
Retailer 9$2,872 NZD
Retailer 10$2,959 NZD
Retailer 11$3,163 NZD
Retailer 13$3,172 NZD
Brilliant Earth$5,091 NZD
Retailer 3$5,287 NZD

28 data points across 20 retailers

24 retailers$665 NZD to $5,287 NZD

A
Cheapest Retailer
-
$665 NZD
Final sale: no returns
Retailer 2
-
$738 NZD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$859 NZD
View
A
Retailer 4
-
$1,022 NZD
View
A
Retailer 5
-
$1,059 NZD
View
A
Retailer 6
-
$1,064 NZD
View
A
Retailer 7
-
$1,194 NZD
View
A
Retailer 8
-
$1,403 NZD
View
A
Retailer 9
-
$1,446 NZD
View
A
Retailer 10
-
$1,448 NZD
View
A
Retailer 11
-
$1,533 NZD
View
A
Retailer 12
-
$1,896 NZD
View
B+
Retailer 13
-
$2,686 NZD
View
A
Retailer 14
-
$2,714 NZD
View
Retailer 15
-
$2,785 NZD
View
Price last confirmed 9 days ago
B+
Retailer 16
-
$2,872 NZD
View
B+
Retailer 17
-
$2,959 NZD
View
Retailer 18
-
$3,163 NZD
View
Price last confirmed 15 days ago
B+
Retailer 19
-
$3,172 NZD
View
Retailer 20
-
$4,719 NZD
View
Price last confirmed 31 days ago
Retailer 21
-
$5,045 NZD
View
Price last confirmed 9 days ago
B
Retailer 22
-
$5,091 NZD
View
B
Retailer 23
-
$5,287 NZD
View
Most Expensive
Brilliant Earth
19067400A · Oct 24
$6,067 NZD
$3,420 USD
View
Price last confirmed 11 days ago
23 more retailers have this diamond
Prices start from $665 NZDSave up to $4,621 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
1.53ct Cushion
$665 NZD