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Heart|Lab Grown|IGI

1.51ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG799613631

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG799613631

Diamond specifications and retailer prices

From HK$4,017 HKD
$512 USD
As of November 1, 2026
Save HK$18,579 HKD (82%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$22,596 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.51ct lab-grown heart diamond

This 1.51ct 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 LG799613631 or 799613631. Listed at 7 retailers as of October 31, 2026, with prices from HK$4,017 to HK$22,596, a HK$18,579 spread on the same certified stone. Brilliant Earth lists it at HK$22,596. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799613631
Dimensions7.90 × 7.08 × 4.68 mm
L/W Ratio1.12
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
7.90 mm7.08 mm1.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799613631
Side View
Table 62.0%Crown 39.2°Girdle: MED-STKPavilion 40.9°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$22,596 HKD|Low: HK$3,844 HKD|High: HK$23,223 HKD|Avg: HK$9,249 HKD|-2.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 6HK$4,017 HKD
Retailer 5HK$4,927 HKD
Retailer 9HK$5,075 HKD
Retailer 10HK$5,358 HKD
Retailer 11HK$5,736 HKD
Retailer 7HK$7,579 HKD
Retailer 8HK$9,352 HKD
Retailer 4HK$10,356 HKD
Retailer 2HK$11,638 HKD
Retailer 3HK$13,063 HKD
Brilliant EarthHK$22,596 HKD

25 data points across 11 retailers

7 retailersHK$4,017 HKD to HK$22,596 HKD

A
Cheapest Retailer
-
HK$4,017 HKD
$512 USD
A
Retailer 2
-
HK$4,927 HKD
$628 USD
View
A
Retailer 3
-
HK$7,579 HKD
$966 USD
View
B+
Retailer 4
-
HK$9,352 HKD
$1,192 USD
View
B+
Retailer 5
-
HK$10,356 HKD
$1,320 USD
View
B+
Retailer 6
-
HK$11,638 HKD
£1,168 GBP
View
Most Expensive
B
Brilliant Earth
19934876A · Oct 31
HK$22,596 HKD
$2,880 USD
View
6 more retailers have this diamond
Prices start from HK$4,017 HKDSave up to HK$18,579 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
1.51ct Heart
HK$4,017 HKD