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Heart|Natural|GIA

1.51ct J SI2 Heart Natural Diamond

EX • J/SI2 • GIA 5556155608

Certificate GIA 5556155608

Diamond specifications and retailer prices

From HK$18,606 HKD
As of November 6, 2026
Save HK$13,653 HKD (42%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$32,259 HKD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5556155608. Listed at 8 retailers as of November 6, 2026, with prices from HK$18,606 to HK$32,259, a HK$13,653 spread on the same certified stone. Wholesale Diamonds Direct lists it at HK$32,259. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.26°
Pavilion angle37.79°
OriginNatural
Grading LabGIA
CertificateGIA 5556155608
Dimensions6.76 × 7.89 × 4.70 mm
L/W Ratio1.17
Top View
6.76 mm7.89 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5556155608
Side View
Table 60.0%Crown 42.26°Girdle: MED-THKPavilion 37.79°Culet: NoneDepth 59.6%

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 6
Current: HK$23,982 HKD|Low: HK$13,966 HKD|High: HK$35,123 HKD|Avg: HK$22,271 HKD|-6.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
November 6, 2026
Retailer 9HK$13,966 HKD
Retailer 4HK$17,603 HKD
Retailer 3HK$18,606 HKD
Retailer 7HK$18,802 HKD
Retailer 2HK$20,456 HKD
Retailer 6HK$20,816 HKD
Retailer 5HK$22,650 HKD
Retailer 1HK$23,982 HKD
Retailer 8HK$27,290 HKD
Wholesale Diamonds DirectHK$32,259 HKD

26 data points across 10 retailers

8 retailersHK$18,606 HKD to HK$32,259 HKD

A
Cheapest Retailer
-
HK$18,606 HKD
A
Retailer 2
-
HK$18,802 HKD
View
A
Retailer 3
-
HK$20,456 HKD
View
A
Retailer 4
-
HK$20,816 HKD
View
A
Retailer 5
-
HK$21,631 HKD
View
A
Retailer 6
-
HK$22,650 HKD
View
A
Retailer 7
-
HK$23,982 HKD
View
Most Expensive
B+
Wholesale Diamonds Direct
675330071 · Nov 6
HK$32,259 HKD
$4,116 USD
View
7 more retailers have this diamond
Prices start from HK$18,606 HKDSave up to HK$13,653 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$18,606 HKD