Cushion|Lab Grown|IGI

1.53ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG789641005

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG789641005

Diamond specifications and retailer prices

From $1,028 AUD
$722 USD
As of November 1, 2026
Save $1,639 AUD (61%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,360 AUD at Rare Carat · As of October 21, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG789641005 or 789641005. Listed at 10 retailers as of October 29, 2026, with a 159% 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
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG789641005
Dimensions6.56 × 6.53 × 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
6.56 mm6.53 mm1.53 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG789641005
Side View
Table 65.0%Crown 39°Girdle: MED-THKPavilion 38.4°Culet: NoneDepth 68.0%

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 1
Current: $3,360 AUD|Low: $988 AUD|High: $3,395 AUD|Avg: $1,855 AUD|+4.7%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 7$1,028 AUD
Retailer 6$1,081 AUD
Retailer 3$1,220 AUD
Retailer 2$1,233 AUD
Retailer 9$1,523 AUD
Retailer 8$2,135 AUD
Retailer 10$2,237 AUD
Retailer 5$2,239 AUD
Retailer 4$2,667 AUD
Rare Carat$3,360 AUD

42 data points across 10 retailers

10 retailers$1,028 AUD to $2,667 AUD

A
Cheapest Retailer
-
$1,028 AUD
$722 USD
A
Retailer 2
-
$1,081 AUD
$759 USD
View
A
Retailer 3
-
$1,220 AUD
£675 GBP
View
A
Retailer 4
-
$1,233 AUD
€825 EUR
View
A
Retailer 5
-
$1,523 AUD
$1,070 USD
View
B+
Retailer 6
-
$2,180 AUD
$1,531 USD
View
B+
Retailer 7
-
$2,237 AUD
$1,571 USD
View
Retailer 8
-
$2,239 AUD
View
Price last confirmed 31 days ago
B+
Retailer 9
-
$2,667 AUD
£1,475 GBP
View
Most Expensive
Rare Carat
SKD-79888 · Oct 21
$3,360 AUD
$2,360 USD
View
Price last confirmed 10 days ago
9 more retailers have this diamond
Prices start from $1,028 AUDSave up to $1,639 AUD

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
$1,028 AUD