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Cushion|Lab Grown|IGI

1.50ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG756588182

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

Certificate IGI LG756588182

Diamond specifications and retailer prices

From HK$2,777 HKD
$354 USD
As of November 1, 2026
Save HK$19,269 HKD (87%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$22,046 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.5ct lab-grown cushion diamond

This 1.5ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG756588182 or 756588182. Listed at 15 retailers as of October 31, 2026, with prices from HK$2,777 to HK$22,046, a HK$19,269 spread on the same certified stone. Brilliant Earth lists it at HK$22,046. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756588182
Dimensions6.57 × 6.39 × 4.22 mm
L/W Ratio1.03
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
6.57 mm6.39 mm1.50 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756588182
Side View
Table 64.0%Crown 34.4°Girdle: STK-THKPavilion 38.2°Culet: NoneDepth 66.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: HK$22,046 HKD|Low: HK$2,244 HKD|High: HK$26,911 HKD|Avg: HK$10,285 HKD|-18.1%
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
November 1, 2026
Retailer 15HK$2,777 HKD
Retailer 8HK$3,526 HKD
Retailer 3HK$3,884 HKD
Retailer 6HK$4,213 HKD
Retailer 5HK$4,441 HKD
Retailer 11HK$5,045 HKD
Retailer 9HK$5,668 HKD
Retailer 12HK$7,736 HKD
Retailer 10HK$8,293 HKD
Retailer 7HK$10,133 HKD
Retailer 14HK$11,674 HKD
Retailer 2HK$13,362 HKD
Retailer 4HK$19,497 HKD
Retailer 13HK$21,654 HKD
Brilliant EarthHK$22,046 HKD

42 data points across 15 retailers

15 retailersHK$2,777 HKD to HK$22,046 HKD

A
Cheapest Retailer
-
HK$2,777 HKD
$354 USD
Final sale: no returns
A
Retailer 2
-
HK$3,526 HKD
£354 GBP
View
A
Retailer 3
-
HK$3,884 HKD
$495 USD
View
A
Retailer 4
-
HK$4,213 HKD
$537 USD
View
A
Retailer 5
-
HK$4,441 HKD
$566 USD
View
A
Retailer 6
-
HK$5,045 HKD
$643 USD
View
A
Retailer 7
-
HK$5,668 HKD
€688 EUR
View
A
Retailer 8
-
HK$7,736 HKD
A$1,517 AUD
View
A
Retailer 9
-
HK$8,293 HKD
$1,057 USD
View
A
Retailer 10
-
HK$10,133 HKD
$1,292 USD
View
B+
Retailer 11
-
HK$11,674 HKD
$1,488 USD
View
B+
Retailer 12
-
HK$13,362 HKD
£1,341 GBP
View
B
Retailer 13
-
HK$19,497 HKD
$2,485 USD
View
B
Retailer 14
-
HK$21,654 HKD
$2,760 USD
View
Most Expensive
B
Brilliant Earth
21411913Y · Oct 31
HK$22,046 HKD
$2,810 USD
View
14 more retailers have this diamond
Prices start from HK$2,777 HKDSave up to HK$19,269 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
1.50ct Cushion
HK$2,777 HKD