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Heart|Lab Grown|IGI

1.51ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG836620979

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836620979

Diamond specifications and retailer prices

From HK$4,911 HKD
As of November 4, 2026
Save HK$22,000 HKD (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$26,911 HKD at Brilliant Earth · As of November 4, 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836620979 or 836620979. Listed at 19 retailers as of November 4, 2026, with prices from HK$4,911 to HK$26,911, a HK$22,000 spread on the same certified stone. Brilliant Earth lists it at HK$26,911. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836620979
Dimensions7.07 × 7.83 × 4.56 mm
L/W Ratio1.11
Girdle conditionFaceted
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
7.07 mm7.83 mm1.51 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836620979
Side View
Table 59.0%Crown 38.3°Girdle: Slightly ThickPavilion 36.9°Culet: NoneDepth 58.2%

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 4
Current: HK$26,911 HKD|Low: HK$4,911 HKD|High: HK$37,974 HKD|Avg: HK$14,287 HKD|-29.1%
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
Retailer 18
November 5, 2026
Retailer 10HK$4,911 HKD
Retailer 15HK$5,343 HKD
Retailer 13HK$5,641 HKD
Retailer 5HK$6,088 HKD
Retailer 16HK$7,100 HKD
Retailer 18HK$8,795 HKD
Retailer 17HK$9,078 HKD
Retailer 14HK$9,321 HKD
Retailer 11HK$9,446 HKD
Retailer 9HK$10,945 HKD
Retailer 3HK$13,361 HKD
Retailer 12HK$16,013 HKD
Retailer 8HK$18,681 HKD
Retailer 4HK$19,654 HKD
Retailer 6HK$20,438 HKD
Retailer 7HK$21,552 HKD
Retailer 2HK$23,922 HKD
Brilliant EarthHK$26,911 HKD

30 data points across 18 retailers

19 retailersHK$4,911 HKD to HK$26,911 HKD

A
Cheapest Retailer
-
HK$4,911 HKD
A
Retailer 2
-
HK$5,343 HKD
View
A
Retailer 3
-
HK$5,641 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$6,088 HKD
View
Retailer 5
-
HK$6,167 HKD
View
Price last confirmed 20 days ago
A
Retailer 6
-
HK$7,100 HKD
View
A
Retailer 7
-
HK$8,795 HKD
View
A
Retailer 8
-
HK$9,078 HKD
View
A
Retailer 9
-
HK$9,321 HKD
View
B+
Retailer 10
-
HK$9,446 HKD
View
B+
Retailer 11
-
HK$10,945 HKD
View
B+
Retailer 12
-
HK$13,361 HKD
View
B+
Retailer 13
-
HK$16,013 HKD
View
B+
Retailer 14
-
HK$18,681 HKD
View
B+
Retailer 15
-
HK$19,654 HKD
View
B+
Retailer 16
-
HK$20,438 HKD
View
B
Retailer 17
-
HK$21,552 HKD
View
B
Retailer 18
-
HK$23,922 HKD
View
Most Expensive
B
Brilliant Earth
21590133A · Nov 4
HK$26,911 HKD
$3,430 USD
View
18 more retailers have this diamond
Prices start from HK$4,911 HKDSave up to HK$22,000 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$4,911 HKD