CaratHunter
Plans
Heart|Natural|GIA

1.51ct H IF Heart Natural Diamond

EX • H/IF • GIA 1553780704

Certificate GIA 1553780704

Diamond specifications and retailer prices

From HK$43,161 HKD
As of November 2, 2026
Save HK$28,365 HKD (40%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$71,526 HKD at MOH London · As of November 2, 2026
View at MOH London

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1553780704. Listed at 7 retailers as of November 2, 2026, with prices from HK$43,161 to HK$71,526, a HK$28,365 spread on the same certified stone. MOH London lists it at HK$71,526. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle39.61°
Pavilion angle40.04°
OriginNatural
Grading LabGIA
CertificateGIA 1553780704
Dimensions7.00 × 7.99 × 4.57 mm
L/W Ratio1.14
Girdle conditionVery Thick
Top View
7.00 mm7.99 mm1.51 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1553780704
Side View
Table 63.0%Crown 39.61°GirdlePavilion 40.04°CuletDepth 57.2%

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 2
Current: HK$71,526 HKD|Low: HK$43,161 HKD|High: HK$73,875 HKD|Avg: HK$51,766 HKD|-3.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 3HK$43,161 HKD
Retailer 2HK$46,476 HKD
Retailer 6HK$46,476 HKD
Retailer 4HK$48,545 HKD
Retailer 5HK$48,545 HKD
Retailer 7HK$48,733 HKD
Retailer 8HK$54,258 HKD
MOH LondonHK$71,526 HKD

39 data points across 8 retailers

7 retailersHK$43,161 HKD to HK$71,526 HKD

A
Cheapest Retailer
-
HK$43,161 HKD
A
Retailer 2
-
HK$46,476 HKD
View
A
Retailer 3
-
HK$46,476 HKD
View
A
Retailer 4
-
HK$48,545 HKD
View
A
Retailer 5
-
HK$48,545 HKD
View
Retailer 6
-
HK$48,733 HKD
View
Price last confirmed 28 days ago
Most Expensive
B
MOH London
14B8112E5 · Nov 2
HK$71,526 HKD
£7,186 GBP
View
6 more retailers have this diamond
Prices start from HK$43,161 HKDSave up to HK$28,365 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$43,161 HKD