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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 $900 NZD
$507 USD
As of November 1, 2026
Save $3,643 NZD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,542 NZD 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 $900 to $4,542, a $3,643 spread on the same certified stone. Brilliant Earth lists it at $4,542. 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: $4,542 NZD|Low: $900 NZD|High: $5,483 NZD|Avg: $2,566 NZD|-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$900 NZD
Retailer 13$995 NZD
Retailer 16$1,508 NZD
Retailer 2$1,552 NZD
Retailer 4$1,556 NZD
Retailer 10$1,635 NZD
Retailer 15$1,654 NZD
Retailer 5$2,071 NZD
Retailer 14$2,411 NZD
Retailer 17$2,756 NZD
Retailer 8$3,158 NZD
Retailer 9$3,259 NZD
Retailer 3$3,329 NZD
Retailer 7$3,549 NZD
Retailer 11$3,659 NZD
Retailer 12$4,232 NZD
Brilliant Earth$4,542 NZD

44 data points across 17 retailers

18 retailers$900 NZD to $4,542 NZD

A
Cheapest Retailer
-
$900 NZD
$507 USD
Final sale: no returns
Retailer 2
-
$995 NZD
$561 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$1,508 NZD
$850 USD
View
A
Retailer 4
-
$1,552 NZD
€833 EUR
View
A
Retailer 5
-
$1,556 NZD
$877 USD
View
A
Retailer 6
-
$1,635 NZD
£726 GBP
View
A
Retailer 7
-
$1,654 NZD
$932 USD
View
A
Retailer 8
-
$2,071 NZD
$1,167 USD
View
A
Retailer 9
-
$2,411 NZD
$1,359 USD
View
B+
Retailer 10
-
$2,756 NZD
$1,553 USD
View
B+
Retailer 11
-
$3,158 NZD
SGD 2,405 SGD
View
B+
Retailer 12
-
$3,259 NZD
$1,837 USD
View
B+
Retailer 13
-
$3,329 NZD
$1,876 USD
View
B+
Retailer 14
-
$3,549 NZD
$2,000 USD
View
B+
Retailer 15
-
$3,659 NZD
£1,624 GBP
View
Retailer 16
-
$4,232 NZD
$2,385 USD
View
Price last confirmed 12 days ago
Retailer 17
-
$4,276 NZD
$2,410 USD
View
Price last confirmed 25 days ago
Most Expensive
B+
Brilliant Earth
14795915A · Oct 31
$4,542 NZD
$2,560 USD
View
17 more retailers have this diamond
Prices start from $900 NZDSave up to $3,643 NZD

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
$900 NZD