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Cushion|Lab Grown|IGI

1.50ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG799671458

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG799671458

Diamond specifications and retailer prices

From HK$6,606 HKD
$842 USD
As of November 2, 2026
Save HK$23,523 HKD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$30,129 HKD at Brilliant Earth · As of November 2, 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799671458 or 799671458. Listed at 12 retailers as of November 2, 2026, with prices from HK$6,606 to HK$30,129, a HK$23,523 spread on the same certified stone. Brilliant Earth lists it at HK$30,129. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799671458
Dimensions7.41 × 6.16 × 4.08 mm
L/W Ratio1.20
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
7.41 mm6.16 mm1.50 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799671458
Side View
Table 63.0%Crown 37°Girdle: STK-VTKPavilion 35.1°Culet: NoneDepth 66.2%

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 2
Current: HK$30,129 HKD|Low: HK$6,606 HKD|High: HK$37,269 HKD|Avg: HK$17,051 HKD|-19.2%
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 3, 2026
Retailer 12HK$6,606 HKD
Retailer 9HK$7,391 HKD
Retailer 8HK$7,834 HKD
Retailer 3HK$8,929 HKD
Retailer 2HK$9,370 HKD
Retailer 6HK$9,655 HKD
Retailer 11HK$15,017 HKD
Retailer 7HK$20,635 HKD
Retailer 4HK$21,330 HKD
Retailer 5HK$24,941 HKD
Retailer 10HK$25,625 HKD
Brilliant EarthHK$30,129 HKD

42 data points across 12 retailers

12 retailersHK$6,606 HKD to HK$30,129 HKD

A
Cheapest Retailer
-
HK$6,606 HKD
$842 USD
A
Retailer 2
-
HK$7,391 HKD
$942 USD
View
A
Retailer 3
-
HK$7,834 HKD
View
A
Retailer 4
-
HK$8,929 HKD
$1,138 USD
View
A
Retailer 5
-
HK$9,370 HKD
£940 GBP
View
A
Retailer 6
-
HK$9,655 HKD
€1,172 EUR
View
Retailer 7
-
HK$15,017 HKD
$1,914 USD
View
Price last confirmed 7 days ago
B
Retailer 8
-
HK$20,635 HKD
$2,630 USD
View
B
Retailer 9
-
HK$21,330 HKD
$2,719 USD
View
B
Retailer 10
-
HK$24,941 HKD
£2,503 GBP
View
B
Retailer 11
-
HK$25,625 HKD
$3,266 USD
View
Most Expensive
B
Brilliant Earth
20870460Y · Nov 2
HK$30,129 HKD
$3,840 USD
View
11 more retailers have this diamond
Prices start from HK$6,606 HKDSave up to HK$23,523 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$6,606 HKD