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Cushion|Lab Grown|IGI

1.50ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG836616360

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG836616360

Diamond specifications and retailer prices

From HK$3,514 HKD
£353 GBP
As of November 1, 2026
Save HK$15,473 HKD (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$18,987 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836616360 or 836616360. Listed at 17 retailers as of October 31, 2026, with prices from HK$3,514 to HK$18,987, a HK$15,473 spread on the same certified stone. Brilliant Earth lists it at HK$18,987. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle32°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836616360
Dimensions8.51 × 5.81 × 3.70 mm
L/W Ratio1.46
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
8.51 mm5.81 mm1.50 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836616360
Side View
Table 61.0%Crown 35°Girdle: STK-THKPavilion 32°Culet: NoneDepth 63.7%

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$18,987 HKD|Low: HK$3,513 HKD|High: HK$22,439 HKD|Avg: HK$10,452 HKD|-15.4%
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 2HK$3,514 HKD
Retailer 17HK$5,178 HKD
Retailer 3HK$5,406 HKD
Retailer 5HK$5,484 HKD
Retailer 16HK$5,865 HKD
Retailer 10HK$6,087 HKD
Retailer 11HK$6,796 HKD
Retailer 15HK$7,920 HKD
Retailer 6HK$8,018 HKD
Retailer 13HK$8,466 HKD
Retailer 7HK$11,298 HKD
Retailer 12HK$11,925 HKD
Retailer 14HK$13,412 HKD
Retailer 9HK$14,143 HKD
Retailer 8HK$18,783 HKD
Retailer 4HK$18,790 HKD
Brilliant EarthHK$18,987 HKD

13 data points across 17 retailers

17 retailersHK$3,514 HKD to HK$18,987 HKD

A
Cheapest Retailer
-
HK$3,514 HKD
£353 GBP
A
Retailer 2
-
HK$5,178 HKD
$660 USD
View
A
Retailer 3
-
HK$5,406 HKD
$689 USD
View
A
Retailer 4
-
HK$5,484 HKD
$699 USD
View
A
Retailer 5
-
HK$5,865 HKD
ZAR 12,076 ZAR
View
A
Retailer 6
-
HK$6,087 HKD
£611 GBP
View
A
Retailer 7
-
HK$6,796 HKD
€825 EUR
View
A
Retailer 8
-
HK$7,920 HKD
A$1,553 AUD
View
A
Retailer 9
-
HK$8,018 HKD
$1,022 USD
View
A
Retailer 10
-
HK$8,466 HKD
$1,079 USD
View
B+
Retailer 11
-
HK$11,298 HKD
$1,440 USD
View
B+
Retailer 12
-
HK$11,925 HKD
$1,520 USD
View
B+
Retailer 13
-
HK$13,412 HKD
£1,346 GBP
View
B+
Retailer 14
-
HK$14,143 HKD
SGD 2,436 SGD
View
B
Retailer 15
-
HK$18,783 HKD
$2,394 USD
View
Retailer 16
-
HK$18,790 HKD
$2,395 USD
View
Price last confirmed 11 days ago
Most Expensive
B+
Brilliant Earth
22192118A · Oct 31
HK$18,987 HKD
$2,420 USD
View
16 more retailers have this diamond
Prices start from HK$3,514 HKDSave up to HK$15,473 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$3,514 HKD