Cushion|Lab Grown|IGI

1.53ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG837677857

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG837677857

Diamond specifications and retailer prices

From $743 NZD
As of November 4, 2026
Save $4,384 NZD (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,127 NZD at Brilliant Earth · As of November 4, 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 LG837677857 or 837677857. Listed at 18 retailers as of November 4, 2026, with prices from $743 to $5,127, a $4,384 spread on the same certified stone. Brilliant Earth lists it at $5,127. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle31.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837677857
Dimensions7.98 × 5.84 × 3.83 mm
L/W Ratio1.37
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
7.98 mm5.84 mm1.53 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837677857
Side View
Table 60.0%Crown 34°Girdle: MED-THKPavilion 31.5°Culet: NoneDepth 65.6%

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: $5,127 NZD|Low: $743 NZD|High: $6,067 NZD|Avg: $2,317 NZD|-15.5%
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 7$743 NZD
Retailer 12$869 NZD
Retailer 17$1,091 NZD
Retailer 16$1,304 NZD
Retailer 3$1,309 NZD
Retailer 15$1,421 NZD
Retailer 2$1,465 NZD
Retailer 8$1,877 NZD
Retailer 11$1,921 NZD
Retailer 14$2,081 NZD
Retailer 9$2,718 NZD
Retailer 13$2,874 NZD
Retailer 4$3,094 NZD
Retailer 6$3,105 NZD
Retailer 10$3,213 NZD
Retailer 5$4,666 NZD
Brilliant Earth$5,127 NZD

34 data points across 17 retailers

18 retailers$743 NZD to $5,127 NZD

A
Cheapest Retailer
-
$743 NZD
Final sale: no returns
A
Retailer 2
-
$869 NZD
View
A
Retailer 3
-
$1,091 NZD
View
A
Retailer 4
-
$1,304 NZD
View
A
Retailer 5
-
$1,309 NZD
View
A
Retailer 6
-
$1,421 NZD
View
A
Retailer 7
-
$1,465 NZD
View
A
Retailer 8
-
$1,877 NZD
View
A
Retailer 9
-
$1,921 NZD
View
A
Retailer 10
-
$2,081 NZD
View
B+
Retailer 11
-
$2,718 NZD
View
B+
Retailer 12
-
$2,874 NZD
View
B+
Retailer 13
-
$3,094 NZD
View
B+
Retailer 14
-
$3,105 NZD
View
B+
Retailer 15
-
$3,213 NZD
View
Retailer 16
-
$4,350 NZD
View
Price last confirmed 40 days ago
Retailer 17
-
$4,666 NZD
View
Price last confirmed 17 days ago
Most Expensive
B
Brilliant Earth
22183646A · Nov 4
$5,127 NZD
$2,890 USD
View
17 more retailers have this diamond
Prices start from $743 NZDSave up to $4,384 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
$743 NZD