Cushion|Lab Grown|IGI

1.53ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG825633357

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

Certificate IGI LG825633357

Diamond specifications and retailer prices

From $447 USD
As of October 30, 2026
Save $2,633 USD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,080 USD at Brilliant Earth · As of October 29, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825633357 or 825633357. Listed at 11 retailers as of October 29, 2026, with prices from $447 to $3,080, a $2,633 spread on the same certified stone. Brilliant Earth lists it at $3,080. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825633357
Dimensions6.76 × 6.62 × 4.40 mm
L/W Ratio1.02
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
6.76 mm6.62 mm1.53 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825633357
Side View
Table 62.0%Crown 35.1°Girdle: STK-VTKPavilion 40°Culet: NoneDepth 66.5%

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: Oct 30
Current: $3,080 USD|Low: $447 USD|High: $3,100 USD|Avg: $1,480 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2$447 USD
Retailer 5$512 USD
Retailer 10$665 USD
Retailer 6$814 USD
Retailer 7$870 USD
Retailer 11$1,074 USD
Retailer 3$1,630 USD
Retailer 4$1,832 USD
Retailer 8$1,948 USD
Retailer 9$2,350 USD
Brilliant Earth$3,080 USD

41 data points across 11 retailers

11 retailers$447 USD to $3,080 USD

Cheapest Retailer
-
$447 USD
Final sale: no returns
A
Retailer 2
-
$512 USD
£403 GBP
View
A
Retailer 3
-
$665 USD
View
A
Retailer 4
-
$814 USD
£641 GBP
View
A
Retailer 5
-
$870 USD
€829 EUR
View
A
Retailer 6
-
$1,074 USD
View
B+
Retailer 7
-
$1,630 USD
View
B+
Retailer 8
-
$1,832 USD
View
B+
Retailer 9
-
$1,948 USD
£1,534 GBP
View
Retailer 10
-
$2,350 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
21322589A · Oct 29
$3,080 USD
View
10 more retailers have this diamond
Prices start from $447 USDSave up to $2,633 USD

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
$447 USD