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Cushion|Lab Grown|IGI

1.59ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG710553301

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG710553301

Diamond specifications and retailer prices

From $723 AUD
$507 USD
As of November 1, 2026
Save $2,929 AUD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,653 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.59ct lab-grown cushion diamond

This 1.59ct 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 LG710553301 or 710553301. Listed at 18 retailers as of October 31, 2026, with prices from $723 to $3,653, a $2,929 spread on the same certified stone. Brilliant Earth lists it at $3,653. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG710553301
Dimensions8.42 × 5.68 × 3.90 mm
L/W Ratio1.48
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.42 mm5.68 mm1.59 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG710553301
Side View
Table 58.0%Crown 31.8°Girdle: MED-STKPavilion 35°Culet: NoneDepth 68.7%

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: $3,653 AUD|Low: $723 AUD|High: $4,409 AUD|Avg: $2,063 AUD|-17.2%
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 2, 2026
Retailer 6$723 AUD
Retailer 13$800 AUD
Retailer 16$1,213 AUD
Retailer 2$1,248 AUD
Retailer 4$1,251 AUD
Retailer 10$1,315 AUD
Retailer 15$1,330 AUD
Retailer 5$1,665 AUD
Retailer 14$1,939 AUD
Retailer 17$2,216 AUD
Retailer 8$2,539 AUD
Retailer 9$2,621 AUD
Retailer 3$2,677 AUD
Retailer 7$2,854 AUD
Retailer 11$2,943 AUD
Retailer 12$3,403 AUD
Brilliant Earth$3,653 AUD

44 data points across 17 retailers

18 retailers$723 AUD to $3,653 AUD

A
Cheapest Retailer
-
$723 AUD
$507 USD
Final sale: no returns
Retailer 2
-
$800 AUD
$561 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$1,213 AUD
$850 USD
View
A
Retailer 4
-
$1,248 AUD
€833 EUR
View
A
Retailer 5
-
$1,251 AUD
$877 USD
View
A
Retailer 6
-
$1,315 AUD
£726 GBP
View
A
Retailer 7
-
$1,330 AUD
$932 USD
View
A
Retailer 8
-
$1,665 AUD
$1,167 USD
View
A
Retailer 9
-
$1,939 AUD
$1,359 USD
View
B+
Retailer 10
-
$2,216 AUD
$1,553 USD
View
B+
Retailer 11
-
$2,539 AUD
SGD 2,405 SGD
View
B+
Retailer 12
-
$2,621 AUD
$1,837 USD
View
B+
Retailer 13
-
$2,677 AUD
$1,876 USD
View
B+
Retailer 14
-
$2,854 AUD
$2,000 USD
View
B+
Retailer 15
-
$2,943 AUD
£1,624 GBP
View
Retailer 16
-
$3,403 AUD
$2,385 USD
View
Price last confirmed 12 days ago
Retailer 17
-
$3,439 AUD
$2,410 USD
View
Price last confirmed 25 days ago
Most Expensive
B+
Brilliant Earth
14795915A · Oct 31
$3,653 AUD
$2,560 USD
View
17 more retailers have this diamond
Prices start from $723 AUDSave up to $2,929 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
1.59ct Cushion
$723 AUD