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Cushion|Lab Grown|IGI

1.57ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG801688282

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG801688282

Diamond specifications and retailer prices

From $658 NZD
$371 USD
As of November 1, 2026
Save $3,831 NZD (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,489 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.57ct lab-grown cushion diamond

This 1.57ct 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 LG801688282 or 801688282. Listed at 21 retailers as of October 31, 2026, with prices from $658 to $4,489, a $3,831 spread on the same certified stone. Brilliant Earth lists it at $4,489. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801688282
Dimensions7.30 × 6.42 × 4.24 mm
L/W Ratio1.14
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.30 mm6.42 mm1.57 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801688282
Side View
Table 60.0%Crown 37.7°Girdle: MED-THKPavilion 36.2°Culet: NoneDepth 66.0%

Caratlytics Score

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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 1
Current: $4,489 NZD|Low: $658 NZD|High: $6,015 NZD|Avg: $3,192 NZD|-25.1%
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
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 7$658 NZD
Retailer 2$751 NZD
Retailer 20$979 NZD
Retailer 16$1,163 NZD
Retailer 14$1,258 NZD
Retailer 13$1,295 NZD
Retailer 18$1,322 NZD
Retailer 9$1,606 NZD
Retailer 17$1,804 NZD
Retailer 4$1,952 NZD
Retailer 6$2,317 NZD
Retailer 5$2,422 NZD
Retailer 19$2,559 NZD
Retailer 8$2,839 NZD
Retailer 3$2,862 NZD
Retailer 15$2,923 NZD
Retailer 12$3,083 NZD
Retailer 10$3,667 NZD
Retailer 11$4,480 NZD
Brilliant Earth$4,489 NZD

31 data points across 20 retailers

21 retailers$658 NZD to $4,489 NZD

A
Cheapest Retailer
-
$658 NZD
$371 USD
Final sale: no returns
A
Retailer 2
-
$751 NZD
£333 GBP
View
A
Retailer 3
-
$979 NZD
$552 USD
View
A
Retailer 4
-
$1,163 NZD
€624 EUR
View
A
Retailer 5
-
$1,258 NZD
ZAR 11,450 ZAR
View
A
Retailer 6
-
$1,295 NZD
£575 GBP
View
A
Retailer 7
-
$1,322 NZD
$745 USD
View
Retailer 8
-
$1,474 NZD
$831 USD
View
Price last confirmed 16 days ago
A
Retailer 9
-
$1,606 NZD
$905 USD
View
A
Retailer 10
-
$1,804 NZD
$1,017 USD
View
A
Retailer 11
-
$1,952 NZD
$1,100 USD
View
A
Retailer 12
-
$2,317 NZD
$1,306 USD
View
A
Retailer 13
-
$2,422 NZD
$1,365 USD
View
A
Retailer 14
-
$2,559 NZD
$1,442 USD
View
B+
Retailer 15
-
$2,839 NZD
£1,260 GBP
View
B+
Retailer 16
-
$2,862 NZD
$1,613 USD
View
B+
Retailer 17
-
$2,923 NZD
£1,297 GBP
View
Retailer 18
-
$3,083 NZD
A$2,673 AUD
View
Price last confirmed 25 days ago
Retailer 19
-
$3,667 NZD
A$3,180 AUD
View
Price last confirmed 11 days ago
Retailer 20
-
$4,480 NZD
$2,525 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
20240081A · Oct 31
$4,489 NZD
$2,530 USD
View
20 more retailers have this diamond
Prices start from $658 NZDSave up to $3,831 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
1.57ct Cushion
$658 NZD