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Cushion|Lab Grown|IGI

1.57ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG638415667

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG638415667

Diamond specifications and retailer prices

From $1,276 NZD
$719 USD
As of November 1, 2026
Save $4,556 NZD (78%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $5,832 NZD at MOH London · As of October 26, 2026
View at MOH London

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 LG638415667 or 638415667. Listed at 21 retailers as of October 26, 2026, with prices from $1,276 to $5,832, a $4,556 spread on the same certified stone. MOH London lists it at $5,832. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638415667
Dimensions7.71 × 6.21 × 4.23 mm
L/W Ratio1.24
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
7.71 mm6.21 mm1.57 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638415667
Side View
Table 64.0%Crown 36.1°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 68.1%

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: $5,832 NZD|Low: $1,210 NZD|High: $5,904 NZD|Avg: $3,029 NZD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 6$1,276 NZD
Retailer 3$1,341 NZD
Retailer 8$1,544 NZD
Retailer 5$2,101 NZD
Retailer 7$2,237 NZD
Retailer 2$2,306 NZD
Retailer 12$2,908 NZD
Retailer 9$3,125 NZD
Retailer 4$4,065 NZD
Retailer 11$4,356 NZD
Retailer 10$5,376 NZD
MOH London$5,832 NZD

34 data points across 12 retailers

21 retailers$1,276 NZD to $5,832 NZD

A
Cheapest Retailer
-
$1,276 NZD
$719 USD
Final sale: no returns
Retailer 2
-
$1,341 NZD
$756 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$1,544 NZD
$870 USD
View
A
Retailer 4
-
$1,716 NZD
$967 USD
View
A
Retailer 5
-
$1,796 NZD
$1,012 USD
View
A
Retailer 6
-
$2,101 NZD
£932 GBP
View
A
Retailer 7
-
$2,122 NZD
$1,196 USD
View
A
Retailer 8
-
$2,237 NZD
€1,201 EUR
View
A
Retailer 9
-
$2,306 NZD
ZAR 20,996 ZAR
View
Retailer 10
-
$2,319 NZD
A$2,011 AUD
View
Price last confirmed 157 days ago
B+
Retailer 11
-
$2,908 NZD
$1,639 USD
View
B+
Retailer 12
-
$3,125 NZD
A$2,710 AUD
View
B+
Retailer 13
-
$3,894 NZD
£1,728 GBP
View
B+
Retailer 14
-
$4,065 NZD
$2,291 USD
View
B
Retailer 15
-
$4,283 NZD
$2,414 USD
View
B
Retailer 16
-
$4,337 NZD
$2,444 USD
View
Retailer 17
-
$4,356 NZD
$2,455 USD
View
Price last confirmed 12 days ago
B
Retailer 18
-
$4,436 NZD
$2,500 USD
View
B
Retailer 19
-
$5,376 NZD
$3,030 USD
View
B
Retailer 20
-
$5,749 NZD
$3,240 USD
View
Most Expensive
B
MOH London
LG638415667 · Oct 26
$5,832 NZD
£2,588 GBP
View
20 more retailers have this diamond
Prices start from $1,276 NZDSave up to $4,556 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
$1,276 NZD