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Heart|Lab Grown|IGI

1.55ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG722564049

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG722564049

Diamond specifications and retailer prices

From HK$2,644 HKD
$337 USD
As of November 1, 2026
Save HK$20,579 HKD (89%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$23,223 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.55ct lab-grown heart diamond

This 1.55ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG722564049 or 722564049. Listed at 8 retailers as of October 31, 2026, with prices from HK$2,644 to HK$23,223, a HK$20,579 spread on the same certified stone. Brilliant Earth lists it at HK$23,223. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG722564049
Dimensions8.02 × 6.93 × 4.75 mm
L/W Ratio1.16
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
8.02 mm6.93 mm1.55 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG722564049
Side View
Table 60.0%Crown 35.5°Girdle: STK-THKPavilion 39.5°Culet: NoneDepth 59.2%

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 1
Current: HK$23,223 HKD|Low: HK$2,644 HKD|High: HK$23,929 HKD|Avg: HK$10,010 HKD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 6HK$2,644 HKD
Retailer 3HK$4,433 HKD
Retailer 2HK$5,213 HKD
Retailer 8HK$8,630 HKD
Retailer 7HK$9,400 HKD
Retailer 5HK$10,137 HKD
Retailer 4HK$11,827 HKD
Brilliant EarthHK$23,223 HKD

41 data points across 8 retailers

8 retailersHK$2,644 HKD to HK$23,223 HKD

A
Cheapest Retailer
-
HK$2,644 HKD
$337 USD
Final sale: no returns
A
Retailer 2
-
HK$4,433 HKD
$565 USD
View
A
Retailer 3
-
HK$5,213 HKD
£523 GBP
View
A
Retailer 4
-
HK$8,630 HKD
$1,100 USD
View
A
Retailer 5
-
HK$9,400 HKD
SGD 1,619 SGD
View
B+
Retailer 6
-
HK$10,137 HKD
$1,292 USD
View
B+
Retailer 7
-
HK$11,827 HKD
£1,187 GBP
View
Most Expensive
B
Brilliant Earth
15964493A · Oct 31
HK$23,223 HKD
$2,960 USD
View
7 more retailers have this diamond
Prices start from HK$2,644 HKDSave up to HK$20,579 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
1.55ct Heart
HK$2,644 HKD