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Cushion|Lab Grown|IGI

1.53ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG825633357

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG825633357

Diamond specifications and retailer prices

From HK$3,507 HKD
$447 USD
As of November 1, 2026
Save HK$18,304 HKD (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$21,811 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.53ct lab-grown cushion diamond

This 1.53ct 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 LG825633357 or 825633357. Listed at 13 retailers as of October 31, 2026, with prices from HK$3,507 to HK$21,811, a HK$18,304 spread on the same certified stone. Brilliant Earth lists it at HK$21,811. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825633357
Dimensions6.76 × 6.62 × 4.40 mm
L/W Ratio1.02
Girdle conditionFaceted
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
6.76 mm6.62 mm1.53 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825633357
Side View
Table 62.0%Crown 35.1°Girdle: STK-VTKPavilion 40°Culet: NoneDepth 66.5%

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$21,811 HKD|Low: HK$3,507 HKD|High: HK$24,322 HKD|Avg: HK$11,201 HKD|-9.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 10HK$3,507 HKD
Retailer 5HK$4,006 HKD
Retailer 8HK$5,060 HKD
Retailer 2HK$5,217 HKD
Retailer 6HK$6,390 HKD
Retailer 7HK$6,796 HKD
Retailer 4HK$8,426 HKD
Retailer 11HK$14,370 HKD
Retailer 9HK$14,562 HKD
Retailer 12HK$15,285 HKD
Retailer 3HK$18,437 HKD
Brilliant EarthHK$21,811 HKD

41 data points across 12 retailers

13 retailersHK$3,507 HKD to HK$21,811 HKD

A
Cheapest Retailer
-
HK$3,507 HKD
$447 USD
Final sale: no returns
A
Retailer 2
-
HK$4,006 HKD
£402 GBP
View
A
Retailer 3
-
HK$5,060 HKD
$645 USD
View
A
Retailer 4
-
HK$5,217 HKD
$665 USD
View
A
Retailer 5
-
HK$6,390 HKD
£641 GBP
View
A
Retailer 6
-
HK$6,796 HKD
€825 EUR
View
A
Retailer 7
-
HK$8,426 HKD
$1,074 USD
View
B+
Retailer 8
-
HK$12,789 HKD
$1,630 USD
View
B+
Retailer 9
-
HK$14,370 HKD
$1,832 USD
View
B+
Retailer 10
-
HK$14,562 HKD
$1,856 USD
View
B+
Retailer 11
-
HK$15,285 HKD
£1,534 GBP
View
Retailer 12
-
HK$18,437 HKD
$2,350 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21322589A · Oct 31
HK$21,811 HKD
$2,780 USD
View
12 more retailers have this diamond
Prices start from HK$3,507 HKDSave up to HK$18,304 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
1.53ct Cushion
HK$3,507 HKD