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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 $507 USD
As of October 30, 2026
Save $2,053 USD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,560 USD 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 30, 2026, with prices from $507 to $2,560, a $2,053 spread on the same certified stone. Brilliant Earth lists it at $2,560. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,560 USD|Low: $507 USD|High: $3,090 USD|Avg: $1,455 USD|-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 1, 2026
Retailer 6$507 USD
Retailer 13$561 USD
Retailer 16$850 USD
Retailer 11$876 USD
Retailer 4$877 USD
Retailer 10$922 USD
Retailer 15$932 USD
Retailer 5$1,167 USD
Retailer 14$1,359 USD
Retailer 17$1,553 USD
Retailer 8$1,780 USD
Retailer 9$1,837 USD
Retailer 3$1,876 USD
Retailer 7$2,000 USD
Retailer 2$2,062 USD
Retailer 12$2,385 USD
Brilliant Earth$2,560 USD

44 data points across 17 retailers

18 retailers$507 USD to $2,560 USD

A
Cheapest Retailer
-
$507 USD
Final sale: no returns
Retailer 2
-
$561 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$850 USD
View
A
Retailer 4
-
$876 USD
€834 EUR
View
A
Retailer 5
-
$877 USD
View
A
Retailer 6
-
$922 USD
£726 GBP
View
A
Retailer 7
-
$932 USD
View
A
Retailer 8
-
$1,167 USD
View
A
Retailer 9
-
$1,359 USD
View
B+
Retailer 10
-
$1,553 USD
View
B+
Retailer 11
-
$1,780 USD
SGD 2,405 SGD
View
B+
Retailer 12
-
$1,837 USD
View
B+
Retailer 13
-
$1,876 USD
View
B+
Retailer 14
-
$2,000 USD
View
B+
Retailer 15
-
$2,062 USD
£1,624 GBP
View
Retailer 16
-
$2,385 USD
View
Price last confirmed 11 days ago
Retailer 17
-
$2,410 USD
View
Price last confirmed 24 days ago
Most Expensive
B+
Brilliant Earth
14795915A · Oct 31
$2,560 USD
View
17 more retailers have this diamond
Prices start from $507 USDSave up to $2,053 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
1.59ct Cushion
$507 USD