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Cushion|Lab Grown|IGI

1.53ct F IF Cushion Lab Grown Diamond

EX • F/IF • IGI LG729558419

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

Certificate IGI LG729558419

Diamond specifications and retailer prices

From $619 USD
As of November 4, 2026
Save $1,111 USD (64%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,730 USD at Rare Carat · As of November 4, 2026
View at Rare Carat

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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG729558419 or 729558419. Listed at 9 retailers as of November 4, 2026, with prices from $619 to $1,730, a $1,111 spread on the same certified stone. Rare Carat lists it at $1,730. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
F
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729558419
Dimensions6.65 × 6.65 × 4.44 mm
L/W Ratio1.00
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
6.65 mm6.65 mm1.53 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729558419
Side View
Table 60.0%Crown 36.1°Girdle: MED-THKPavilion 39.6°Culet: NoneDepth 66.8%

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: $1,730 USD|Low: $582 USD|High: $1,835 USD|Avg: $1,028 USD|-5.7%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 10$588 USD
Retailer 6$619 USD
Retailer 5$639 USD
Retailer 2$669 USD
Retailer 4$1,030 USD
Retailer 7$1,193 USD
Retailer 8$1,268 USD
Retailer 9$1,494 USD
Retailer 3$1,518 USD
Rare Carat$1,730 USD

43 data points across 10 retailers

9 retailers$619 USD to $1,730 USD

A
Cheapest Retailer
-
$619 USD
A
Retailer 2
-
$639 USD
View
A
Retailer 3
-
$669 USD
View
A
Retailer 4
-
$1,030 USD
View
A
Retailer 5
-
$1,193 USD
View
A
Retailer 6
-
$1,268 USD
View
Retailer 7
-
$1,494 USD
View
Price last confirmed 31 days ago
B+
Retailer 8
-
$1,518 USD
View
Most Expensive
B+
Rare Carat
SKD-52376 · Nov 4
$1,730 USD
View
8 more retailers have this diamond
Prices start from $619 USDSave up to $1,111 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
$619 USD