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Heart|Lab Grown|IGI

1.22ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG627490059

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG627490059

Diamond specifications and retailer prices

From HK$2,934 HKD
As of November 4, 2026
Save HK$12,914 HKD (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$15,849 HKD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.22ct lab-grown heart diamond

This 1.22ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG627490059 or 627490059. Listed at 19 retailers as of November 4, 2026, with prices from HK$2,934 to HK$15,849, a HK$12,914 spread on the same certified stone. Brilliant Earth lists it at HK$15,849. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627490059
Dimensions6.77 × 7.47 × 4.22 mm
L/W Ratio1.10
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
6.77 mm7.47 mm1.22 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627490059
Side View
Table 61.0%Crown 35.2°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 56.5%

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 4
Current: HK$15,849 HKD|Low: HK$2,864 HKD|High: HK$15,849 HKD|Avg: HK$7,417 HKD
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
Retailer 17
November 5, 2026
Retailer 8HK$2,934 HKD
Retailer 12HK$3,287 HKD
Retailer 5HK$3,405 HKD
Retailer 16HK$3,640 HKD
Retailer 6HK$4,825 HKD
Retailer 4HK$4,880 HKD
Retailer 17HK$5,531 HKD
Retailer 14HK$5,829 HKD
Retailer 13HK$6,277 HKD
Retailer 7HK$6,457 HKD
Retailer 2HK$6,512 HKD
Retailer 11HK$10,215 HKD
Retailer 3HK$11,706 HKD
Retailer 9HK$12,004 HKD
Retailer 15HK$13,283 HKD
Retailer 10HK$14,185 HKD
Brilliant EarthHK$15,849 HKD

38 data points across 17 retailers

19 retailersHK$2,934 HKD to HK$15,849 HKD

A
Cheapest Retailer
-
HK$2,934 HKD
A
Retailer 2
-
HK$3,287 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$3,405 HKD
View
A
Retailer 4
-
HK$3,640 HKD
View
Retailer 5
-
HK$3,695 HKD
View
Price last confirmed 11 days ago
A
Retailer 6
-
HK$4,825 HKD
View
A
Retailer 7
-
HK$4,880 HKD
View
B+
Retailer 8
-
HK$5,531 HKD
View
B+
Retailer 9
-
HK$5,829 HKD
View
B+
Retailer 10
-
HK$6,277 HKD
View
B+
Retailer 11
-
HK$6,457 HKD
View
B+
Retailer 12
-
HK$6,512 HKD
View
B+
Retailer 13
-
HK$9,211 HKD
View
B
Retailer 14
-
HK$10,215 HKD
View
B
Retailer 15
-
HK$11,706 HKD
View
B
Retailer 16
-
HK$12,004 HKD
View
B
Retailer 17
-
HK$13,283 HKD
View
B
Retailer 18
-
HK$14,185 HKD
View
Most Expensive
B
Brilliant Earth
11258394A · Nov 4
HK$15,849 HKD
$2,020 USD
View
18 more retailers have this diamond
Prices start from HK$2,934 HKDSave up to HK$12,914 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
1.22ct Heart
HK$2,934 HKD