Cushion|Lab Grown|IGI

1.53ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG801626413

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

Certificate IGI LG801626413

Diamond specifications and retailer prices

From $717 USD
As of October 28, 2026
Save $1,225 USD (63%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $3,020 USD at Brilliant Earth · As of October 8, 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 LG801626413 or 801626413. Listed at 3 retailers as of October 28, 2026, with a 171% 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
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801626413
Dimensions6.59 × 6.55 × 4.15 mm
L/W Ratio1.01
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
6.59 mm6.55 mm1.53 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801626413
Side View
Table 64.0%Crown 33.6°Girdle: MED-THKPavilion 35.1°Culet: NoneDepth 63.4%

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: Oct 28
Current: $3,020 USD|Low: $670 USD|High: $3,120 USD|Avg: $1,408 USD|-2.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 5$694 USD
Retailer 3$717 USD
Retailer 4$792 USD
Retailer 7$995 USD
Retailer 6$996 USD
Retailer 8$1,758 USD
Retailer 9$1,915 USD
Retailer 2$1,942 USD
Brilliant Earth$3,020 USD

20 data points across 9 retailers

3 retailers$717 USD to $1,942 USD

A
Cheapest Retailer
-
$717 USD
B+
Retailer 2
-
$1,942 USD
£1,529 GBP
View
Most Expensive
Brilliant Earth
19659915A · Oct 8
$3,020 USD
View
Price last confirmed 21 days ago
2 more retailers have this diamond
Prices start from $717 USDSave up to $1,225 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
$717 USD