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Heart|Lab Grown|IGI

1.56ct E SI1 Heart Lab Grown Diamond

EX • E/SI1 • IGI LG650418795

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG650418795

Diamond specifications and retailer prices

From HK$1,726 HKD
$220 USD
As of October 30, 2026
Save HK$6,983 HKD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$8,709 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.56ct lab-grown heart diamond

This 1.56ct 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 LG650418795 or 650418795. Listed at 13 retailers as of October 29, 2026, with prices from HK$1,726 to HK$8,709, a HK$6,983 spread on the same certified stone. Brilliant Earth lists it at HK$8,709. 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

1.56
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG650418795
Dimensions6.99 × 7.90 × 4.71 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.99 mm7.90 mm1.56 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG650418795
Side View
Table 56.0%Crown 36.6°Girdle: STK-VTKPavilion 37.5°Culet: NoneDepth 59.6%

Caratlytics Score

How it works →
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$8,709 HKD|Low: HK$1,158 HKD|High: HK$9,023 HKD|Avg: HK$4,157 HKD|-3.5%
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
October 31, 2026
Retailer 5HK$1,158 HKD
Retailer 4HK$1,726 HKD
Retailer 11HK$1,930 HKD
Retailer 13HK$2,001 HKD
Retailer 7HK$2,134 HKD
Retailer 12HK$2,864 HKD
Retailer 3HK$3,813 HKD
Retailer 6HK$3,961 HKD
Retailer 9HK$4,143 HKD
Retailer 2HK$5,539 HKD
Retailer 10HK$6,865 HKD
Retailer 8HK$8,609 HKD
Brilliant EarthHK$8,709 HKD

44 data points across 13 retailers

13 retailersHK$1,726 HKD to HK$8,709 HKD

A
Cheapest Retailer
-
HK$1,726 HKD
$220 USD
A
Retailer 2
-
HK$1,930 HKD
$246 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,001 HKD
$255 USD
View
A
Retailer 4
-
HK$2,134 HKD
$272 USD
View
A
Retailer 5
-
HK$2,205 HKD
$281 USD
View
B+
Retailer 6
-
HK$2,864 HKD
$365 USD
View
B+
Retailer 7
-
HK$3,813 HKD
$486 USD
View
B+
Retailer 8
-
HK$3,961 HKD
£398 GBP
View
B+
Retailer 9
-
HK$4,143 HKD
$528 USD
View
B
Retailer 10
-
HK$5,539 HKD
$706 USD
View
B
Retailer 11
-
HK$6,865 HKD
$875 USD
View
B
Retailer 12
-
HK$8,609 HKD
£864 GBP
View
Most Expensive
B
Brilliant Earth
12163591A · Oct 29
HK$8,709 HKD
$1,110 USD
View
12 more retailers have this diamond
Prices start from HK$1,726 HKDSave up to HK$6,983 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
1.56ct Heart
HK$1,726 HKD