Cushion|Lab Grown|IGI

1.50ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG786625437

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

Certificate IGI LG786625437

Diamond specifications and retailer prices

From HK$3,601 HKD
$459 USD
As of October 30, 2026
Save HK$28,880 HKD (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$32,481 HKD at Brilliant Earth · As of October 26, 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 LG786625437 or 786625437. Listed at 19 retailers as of October 26, 2026, with prices from HK$3,601 to HK$32,481, a HK$28,880 spread on the same certified stone. Brilliant Earth lists it at HK$32,481. 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 angle36.2°
Pavilion angle29.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786625437
Dimensions6.68 × 6.31 × 3.89 mm
L/W Ratio1.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.68 mm6.31 mm1.50 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786625437
Side View
Table 62.0%Crown 36.2°Girdle: STK-THKPavilion 29.9°Culet: NoneDepth 61.6%

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: Oct 30
Current: HK$32,481 HKD|Low: HK$3,601 HKD|High: HK$35,306 HKD|Avg: HK$11,178 HKD|+20.3%
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
November 1, 2026
Retailer 6HK$3,601 HKD
Retailer 8HK$3,993 HKD
Retailer 3HK$6,041 HKD
Retailer 7HK$6,324 HKD
Retailer 4HK$6,473 HKD
Retailer 2HK$6,580 HKD
Retailer 14HK$6,697 HKD
Retailer 16HK$6,803 HKD
Retailer 5HK$8,128 HKD
Retailer 10HK$9,317 HKD
Retailer 9HK$11,598 HKD
Retailer 13HK$13,129 HKD
Retailer 12HK$14,650 HKD
Retailer 11HK$14,970 HKD
Retailer 17HK$15,693 HKD
Retailer 15HK$20,360 HKD
Brilliant EarthHK$32,481 HKD

42 data points across 17 retailers

19 retailersHK$3,601 HKD to HK$32,481 HKD

A
Cheapest Retailer
-
HK$3,601 HKD
$459 USD
Final sale: no returns
Retailer 2
-
HK$3,993 HKD
$509 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
HK$6,041 HKD
$770 USD
View
A
Retailer 4
-
HK$6,324 HKD
$806 USD
View
Retailer 5
-
HK$6,473 HKD
$825 USD
View
Price last confirmed 9 days ago
A
Retailer 6
-
HK$6,580 HKD
£660 GBP
View
A
Retailer 7
-
HK$6,697 HKD
€813 EUR
View
Retailer 8
-
HK$6,803 HKD
ZAR 14,008 ZAR
View
Price last confirmed 14 days ago
A
Retailer 9
-
HK$8,098 HKD
A$1,588 AUD
View
A
Retailer 10
-
HK$8,128 HKD
$1,036 USD
View
A
Retailer 11
-
HK$9,317 HKD
A$1,827 AUD
View
Retailer 12
-
HK$11,598 HKD
£1,164 GBP
View
Price last confirmed 11 days ago
B+
Retailer 13
-
HK$13,129 HKD
$1,673 USD
View
Retailer 14
-
HK$13,918 HKD
$1,774 USD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
HK$14,650 HKD
$1,867 USD
View
B+
Retailer 16
-
HK$14,970 HKD
$1,908 USD
View
Retailer 17
-
HK$15,693 HKD
£1,575 GBP
View
Price last confirmed 11 days ago
Retailer 18
-
HK$20,360 HKD
$2,595 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Brilliant Earth
20914900A · Oct 26
HK$32,481 HKD
$4,140 USD
View
18 more retailers have this diamond
Prices start from HK$3,601 HKDSave up to HK$28,880 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$3,601 HKD