CaratHunter
Plans
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 $1,026 AUD
$719 USD
As of November 1, 2026
Save $3,664 AUD (78%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,690 AUD 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 $1,026 to $4,690, a $3,664 spread on the same certified stone. MOH London lists it at $4,690. 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: $4,690 AUD|Low: $973 AUD|High: $4,748 AUD|Avg: $2,436 AUD|-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$1,026 AUD
Retailer 3$1,079 AUD
Retailer 8$1,241 AUD
Retailer 5$1,689 AUD
Retailer 7$1,799 AUD
Retailer 2$1,854 AUD
Retailer 12$2,339 AUD
Retailer 9$2,513 AUD
Retailer 4$3,269 AUD
Retailer 11$3,503 AUD
Retailer 10$4,324 AUD
MOH London$4,690 AUD

34 data points across 12 retailers

21 retailers$1,026 AUD to $4,690 AUD

A
Cheapest Retailer
-
$1,026 AUD
$719 USD
Final sale: no returns
Retailer 2
-
$1,079 AUD
$756 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$1,241 AUD
$870 USD
View
A
Retailer 4
-
$1,380 AUD
$967 USD
View
A
Retailer 5
-
$1,444 AUD
$1,012 USD
View
A
Retailer 6
-
$1,689 AUD
£932 GBP
View
A
Retailer 7
-
$1,707 AUD
$1,196 USD
View
A
Retailer 8
-
$1,799 AUD
€1,201 EUR
View
A
Retailer 9
-
$1,854 AUD
ZAR 20,996 ZAR
View
Retailer 10
-
$1,865 AUD
View
Price last confirmed 157 days ago
B+
Retailer 11
-
$2,339 AUD
$1,639 USD
View
B+
Retailer 12
-
$2,513 AUD
View
B+
Retailer 13
-
$3,131 AUD
£1,728 GBP
View
B+
Retailer 14
-
$3,269 AUD
$2,291 USD
View
B
Retailer 15
-
$3,445 AUD
$2,414 USD
View
B
Retailer 16
-
$3,488 AUD
$2,444 USD
View
Retailer 17
-
$3,503 AUD
$2,455 USD
View
Price last confirmed 12 days ago
B
Retailer 18
-
$3,567 AUD
$2,500 USD
View
B
Retailer 19
-
$4,324 AUD
$3,030 USD
View
B
Retailer 20
-
$4,623 AUD
$3,240 USD
View
Most Expensive
B
MOH London
LG638415667 · Oct 26
$4,690 AUD
£2,588 GBP
View
20 more retailers have this diamond
Prices start from $1,026 AUDSave up to $3,664 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
1.57ct Cushion
$1,026 AUD