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Cushion|Lab Grown|IGI

1.52ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG818659739

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

Certificate IGI LG818659739

Diamond specifications and retailer prices

From HK$4,511 HKD
$575 USD
As of October 31, 2026
Save HK$24,596 HKD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$29,108 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.52ct lab-grown cushion diamond

This 1.52ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818659739 or 818659739. Listed at 17 retailers as of October 30, 2026, with prices from HK$4,511 to HK$29,108, a HK$24,596 spread on the same certified stone. Brilliant Earth lists it at HK$29,108. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.52
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818659739
Dimensions6.63 × 6.46 × 4.33 mm
L/W Ratio1.03
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
6.63 mm6.46 mm1.52 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818659739
Side View
Table 62.0%Crown 35.7°Girdle: MED-THKPavilion 38.9°Culet: NoneDepth 67.0%

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: Oct 31
Current: HK$29,108 HKD|Low: HK$4,511 HKD|High: HK$38,130 HKD|Avg: HK$14,121 HKD|-23.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 10HK$4,511 HKD
Retailer 9HK$5,186 HKD
Retailer 13HK$5,767 HKD
Retailer 2HK$7,521 HKD
Retailer 11HK$7,752 HKD
Retailer 5HK$7,775 HKD
Retailer 16HK$8,591 HKD
Retailer 12HK$8,601 HKD
Retailer 6HK$11,721 HKD
Retailer 4HK$14,587 HKD
Retailer 17HK$16,280 HKD
Retailer 14HK$17,057 HKD
Retailer 7HK$17,795 HKD
Retailer 15HK$20,915 HKD
Retailer 8HK$21,105 HKD
Retailer 3HK$24,800 HKD
Brilliant EarthHK$29,108 HKD

26 data points across 17 retailers

17 retailersHK$4,511 HKD to HK$29,108 HKD

A
Cheapest Retailer
-
HK$4,511 HKD
$575 USD
Final sale: no returns
Retailer 2
-
HK$5,186 HKD
$661 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
HK$5,767 HKD
$735 USD
View
A
Retailer 4
-
HK$7,521 HKD
€913 EUR
View
A
Retailer 5
-
HK$7,752 HKD
£778 GBP
View
A
Retailer 6
-
HK$7,775 HKD
$991 USD
View
A
Retailer 7
-
HK$8,591 HKD
$1,095 USD
View
A
Retailer 8
-
HK$8,601 HKD
ZAR 17,710 ZAR
View
B+
Retailer 9
-
HK$11,721 HKD
$1,494 USD
View
B+
Retailer 10
-
HK$14,587 HKD
£1,464 GBP
View
B+
Retailer 11
-
HK$16,280 HKD
$2,075 USD
View
B+
Retailer 12
-
HK$17,057 HKD
$2,174 USD
View
B+
Retailer 13
-
HK$17,795 HKD
SGD 3,065 SGD
View
B+
Retailer 14
-
HK$20,915 HKD
£2,099 GBP
View
Retailer 15
-
HK$21,105 HKD
$2,690 USD
View
Price last confirmed 10 days ago
B
Retailer 16
-
HK$24,800 HKD
$3,161 USD
View
Most Expensive
B
Brilliant Earth
21421795A · Oct 30
HK$29,108 HKD
$3,710 USD
View
16 more retailers have this diamond
Prices start from HK$4,511 HKDSave up to HK$24,596 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
1.52ct Cushion
HK$4,511 HKD