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Heart|Lab Grown|IGI

1.50ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG831604178

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831604178

Diamond specifications and retailer prices

From HK$5,633 HKD
As of November 4, 2026
Save HK$26,848 HKD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$32,482 HKD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.5ct lab-grown heart diamond

This 1.5ct lab-grown heart 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 LG831604178 or 831604178. Listed at 21 retailers as of November 4, 2026, with prices from HK$5,633 to HK$32,482, a HK$26,848 spread on the same certified stone. Brilliant Earth lists it at HK$32,482. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831604178
Dimensions7.20 × 8.04 × 4.55 mm
L/W Ratio1.12
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
7.20 mm8.04 mm1.50 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831604178
Side View
Table 64.0%Crown 33.6°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 56.6%

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: Nov 4
Current: HK$32,482 HKD|Low: HK$5,633 HKD|High: HK$44,854 HKD|Avg: HK$15,726 HKD|-14.3%
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 5, 2026
Retailer 18HK$5,633 HKD
Retailer 19HK$6,128 HKD
Retailer 9HK$6,308 HKD
Retailer 4HK$6,528 HKD
Retailer 13HK$7,359 HKD
Retailer 12HK$7,626 HKD
Retailer 6HK$7,924 HKD
Retailer 7HK$8,403 HKD
Retailer 8HK$8,944 HKD
Retailer 21HK$9,478 HKD
Retailer 2HK$10,364 HKD
Retailer 16HK$11,996 HKD
Retailer 17HK$13,981 HKD
Retailer 5HK$18,359 HKD
Retailer 15HK$21,168 HKD
Retailer 10HK$21,992 HKD
Retailer 3HK$22,321 HKD
Retailer 14HK$22,510 HKD
Retailer 20HK$25,640 HKD
Retailer 11HK$31,054 HKD
Brilliant EarthHK$32,482 HKD

9 data points across 21 retailers

21 retailersHK$5,633 HKD to HK$32,482 HKD

A
Cheapest Retailer
-
HK$5,633 HKD
A
Retailer 2
-
HK$6,128 HKD
View
A
Retailer 3
-
HK$6,308 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$6,528 HKD
View
A
Retailer 5
-
HK$7,359 HKD
View
A
Retailer 6
-
HK$7,626 HKD
View
A
Retailer 7
-
HK$7,924 HKD
View
A
Retailer 8
-
HK$8,403 HKD
View
A
Retailer 9
-
HK$8,944 HKD
View
B+
Retailer 10
-
HK$9,478 HKD
View
B+
Retailer 11
-
HK$10,364 HKD
View
B+
Retailer 12
-
HK$11,996 HKD
View
B+
Retailer 13
-
HK$13,981 HKD
View
B
Retailer 14
-
HK$18,359 HKD
View
B
Retailer 15
-
HK$21,168 HKD
View
B
Retailer 16
-
HK$21,992 HKD
View
B
Retailer 17
-
HK$22,321 HKD
View
B
Retailer 18
-
HK$22,510 HKD
View
B
Retailer 19
-
HK$25,640 HKD
View
B
Retailer 20
-
HK$31,054 HKD
View
Most Expensive
B
Brilliant Earth
22337458A · Nov 4
HK$32,482 HKD
$4,140 USD
View
20 more retailers have this diamond
Prices start from HK$5,633 HKDSave up to HK$26,848 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 Heart
HK$5,633 HKD