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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 HK$5,641 HKD
$719 USD
As of November 1, 2026
Save HK$20,147 HKD (78%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$25,788 HKD 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 HK$5,641 to HK$25,788, a HK$20,147 spread on the same certified stone. MOH London lists it at HK$25,788. 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: HK$25,788 HKD|Low: HK$5,351 HKD|High: HK$26,107 HKD|Avg: HK$13,442 HKD|-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 7HK$5,641 HKD
Retailer 3HK$5,932 HKD
Retailer 9HK$6,826 HKD
Retailer 6HK$9,289 HKD
Retailer 8HK$9,894 HKD
Retailer 5HK$10,197 HKD
Retailer 2HK$12,962 HKD
Retailer 10HK$13,821 HKD
Retailer 4HK$17,975 HKD
Retailer 12HK$19,262 HKD
Retailer 11HK$23,774 HKD
MOH LondonHK$25,788 HKD

34 data points across 12 retailers

21 retailersHK$5,641 HKD to HK$25,788 HKD

A
Cheapest Retailer
-
HK$5,641 HKD
$719 USD
Final sale: no returns
Retailer 2
-
HK$5,932 HKD
$756 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
HK$6,826 HKD
$870 USD
View
A
Retailer 4
-
HK$7,587 HKD
$967 USD
View
A
Retailer 5
-
HK$7,940 HKD
$1,012 USD
View
A
Retailer 6
-
HK$9,289 HKD
£932 GBP
View
A
Retailer 7
-
HK$9,384 HKD
$1,196 USD
View
A
Retailer 8
-
HK$9,894 HKD
€1,201 EUR
View
A
Retailer 9
-
HK$10,197 HKD
ZAR 20,996 ZAR
View
Retailer 10
-
HK$10,255 HKD
A$2,011 AUD
View
Price last confirmed 158 days ago
B+
Retailer 11
-
HK$12,962 HKD
$1,652 USD
View
B+
Retailer 12
-
HK$13,821 HKD
A$2,710 AUD
View
B+
Retailer 13
-
HK$17,219 HKD
£1,728 GBP
View
B+
Retailer 14
-
HK$17,975 HKD
$2,291 USD
View
B
Retailer 15
-
HK$18,940 HKD
$2,414 USD
View
B
Retailer 16
-
HK$19,179 HKD
$2,444 USD
View
Retailer 17
-
HK$19,262 HKD
$2,455 USD
View
Price last confirmed 12 days ago
B
Retailer 18
-
HK$19,615 HKD
$2,500 USD
View
B
Retailer 19
-
HK$23,774 HKD
$3,030 USD
View
Retailer 20
-
HK$25,421 HKD
$3,240 USD
View
Price last confirmed 7 days ago
Most Expensive
B
MOH London
LG638415667 · Oct 26
HK$25,788 HKD
£2,588 GBP
View
20 more retailers have this diamond
Prices start from HK$5,641 HKDSave up to HK$20,147 HKD

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
HK$5,641 HKD