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Heart|Lab Grown|IGI

1.50ct E SI1 Heart Lab Grown Diamond

EX • E/SI1 • IGI LG741510153

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG741510153

Diamond specifications and retailer prices

From HK$1,685 HKD
As of November 6, 2026
Save HK$6,701 HKD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$8,386 HKD at Brilliant Earth · As of November 6, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG741510153 or 741510153. Listed at 17 retailers as of November 6, 2026, with prices from HK$1,685 to HK$8,386, a HK$6,701 spread on the same certified stone. Brilliant Earth lists it at HK$8,386. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG741510153
Dimensions7.32 × 7.76 × 4.64 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
7.32 mm7.76 mm1.50 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG741510153
Side View
Table 55.0%Crown 33.6°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 59.8%

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 6
Current: HK$8,386 HKD|Low: HK$1,662 HKD|High: HK$9,703 HKD|Avg: HK$4,572 HKD|-6.1%
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
Retailer 16
November 6, 2026
Retailer 12HK$1,685 HKD
Retailer 4HK$1,952 HKD
Retailer 5HK$2,085 HKD
Retailer 7HK$2,147 HKD
Retailer 8HK$2,163 HKD
Retailer 10HK$3,566 HKD
Retailer 16HK$3,582 HKD
Retailer 2HK$3,699 HKD
Retailer 9HK$3,825 HKD
Retailer 6HK$4,130 HKD
Retailer 15HK$5,627 HKD
Retailer 13HK$6,709 HKD
Retailer 3HK$6,834 HKD
Retailer 14HK$7,116 HKD
Retailer 11HK$8,339 HKD
Brilliant EarthHK$8,386 HKD

45 data points across 16 retailers

17 retailersHK$1,685 HKD to HK$8,386 HKD

A
Cheapest Retailer
-
HK$1,685 HKD
A
Retailer 2
-
HK$1,952 HKD
View
A
Retailer 3
-
HK$2,085 HKD
View
Retailer 4
-
HK$2,147 HKD
View
Price last confirmed 12 days ago
A
Retailer 5
-
HK$2,163 HKD
View
Final sale: no returns
B+
Retailer 6
-
HK$3,566 HKD
View
B+
Retailer 7
-
HK$3,582 HKD
View
B+
Retailer 8
-
HK$3,699 HKD
View
B+
Retailer 9
-
HK$3,825 HKD
View
B+
Retailer 10
-
HK$4,130 HKD
View
B+
Retailer 11
-
HK$4,264 HKD
View
B+
Retailer 12
-
HK$5,627 HKD
View
B
Retailer 13
-
HK$6,709 HKD
View
B
Retailer 14
-
HK$6,834 HKD
View
B
Retailer 15
-
HK$7,116 HKD
View
B
Retailer 16
-
HK$8,339 HKD
View
Most Expensive
B
Brilliant Earth
16911377A · Nov 6
HK$8,386 HKD
$1,070 USD
View
16 more retailers have this diamond
Prices start from HK$1,685 HKDSave up to HK$6,701 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$1,685 HKD