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Heart|Lab Grown|IGI

1.56ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG618401846

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG618401846

Diamond specifications and retailer prices

From HK$6,708 HKD
$855 USD
As of October 30, 2026
Save HK$30,512 HKD (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$37,220 HKD at With Clarity · As of October 31, 2026
View at With Clarity

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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG618401846 or 618401846. Listed at 21 retailers as of October 30, 2026, with prices from HK$6,708 to HK$37,220, a HK$30,512 spread on the same certified stone. With Clarity lists it at HK$37,220. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618401846
Dimensions7.38 × 7.95 × 4.75 mm
L/W Ratio1.08
Girdle conditionFaceted
Culet sizePointed
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
7.38 mm7.95 mm1.56 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618401846
Side View
Table 59.0%Crown 38.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 59.7%

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: Oct 30
Current: HK$29,155 HKD|Low: HK$6,590 HKD|High: HK$37,220 HKD|Avg: HK$16,381 HKD|-3.6%
Retailer 1
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
With Clarity
November 1, 2026
Retailer 7HK$6,708 HKD
Retailer 3HK$7,297 HKD
Retailer 14HK$7,500 HKD
Retailer 16HK$7,775 HKD
Retailer 4HK$9,140 HKD
Retailer 17HK$9,603 HKD
Retailer 5HK$9,878 HKD
Retailer 9HK$11,141 HKD
Retailer 11HK$11,957 HKD
Retailer 13HK$13,939 HKD
Retailer 18HK$14,298 HKD
Retailer 15HK$16,303 HKD
Retailer 12HK$19,369 HKD
Retailer 2HK$21,866 HKD
Retailer 6HK$24,337 HKD
Retailer 8HK$26,971 HKD
Retailer 1HK$29,155 HKD
Retailer 10HK$35,776 HKD
With ClarityHK$37,220 HKD

31 data points across 19 retailers

21 retailersHK$6,708 HKD to HK$37,220 HKD

A
Cheapest Retailer
-
HK$6,708 HKD
$855 USD
A
Retailer 2
-
HK$7,297 HKD
$930 USD
View
A
Retailer 3
-
HK$7,500 HKD
$956 USD
View
Final sale: no returns
A
Retailer 4
-
HK$7,775 HKD
$991 USD
View
Retailer 5
-
HK$7,963 HKD
$1,015 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
HK$9,140 HKD
$1,165 USD
View
B+
Retailer 7
-
HK$9,603 HKD
$1,224 USD
View
B+
Retailer 8
-
HK$9,878 HKD
$1,259 USD
View
B+
Retailer 9
-
HK$11,141 HKD
$1,420 USD
View
B+
Retailer 10
-
HK$11,957 HKD
£1,200 GBP
View
B+
Retailer 11
-
HK$13,939 HKD
€1,692 EUR
View
B+
Retailer 12
-
HK$14,298 HKD
ZAR 29,441 ZAR
View
B+
Retailer 13
-
HK$16,303 HKD
$2,078 USD
View
B+
Retailer 14
-
HK$19,369 HKD
A$3,798 AUD
View
B
Retailer 15
-
HK$21,866 HKD
$2,787 USD
View
B
Retailer 16
-
HK$23,035 HKD
$2,936 USD
View
B
Retailer 17
-
HK$24,337 HKD
$3,102 USD
View
B
Retailer 18
-
HK$26,971 HKD
$3,438 USD
View
B
Retailer 19
-
HK$29,155 HKD
£2,926 GBP
View
B
Retailer 20
-
HK$35,776 HKD
$4,560 USD
View
Most Expensive
B
With Clarity
618401846 · Oct 31
HK$37,220 HKD
$4,744 USD
View
20 more retailers have this diamond
Prices start from HK$6,708 HKDSave up to HK$30,512 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$6,708 HKD