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Heart|Natural|GIA

1.51ct E SI1 Heart Natural Diamond

EX • E/SI1 • GIA 5546654705

Certificate GIA 5546654705

Diamond specifications and retailer prices

From HK$40,421 HKD
$5,152 USD
As of October 30, 2026
Save HK$35,125 HKD (46%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$75,546 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5546654705. Listed at 9 retailers as of October 30, 2026, with prices from HK$40,421 to HK$75,546, a HK$35,125 spread on the same certified stone. NZ Jewellers lists it at HK$75,546. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.76°
Pavilion angle43.09°
OriginNatural
Grading LabGIA
CertificateGIA 5546654705
Dimensions6.57 × 7.83 × 4.99 mm
L/W Ratio1.19
Top View
6.57 mm7.83 mm1.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5546654705
Side View
Table 63.0%Crown 38.76°Girdle: THK-VTKPavilion 43.09°Culet: NoneDepth 63.7%

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: Oct 30
Current: HK$75,546 HKD|Low: HK$40,421 HKD|High: HK$77,312 HKD|Avg: HK$51,704 HKD|-2.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 11HK$40,421 HKD
Retailer 2HK$42,391 HKD
Retailer 7HK$43,465 HKD
Retailer 9HK$45,168 HKD
Retailer 10HK$45,168 HKD
Retailer 8HK$45,414 HKD
Retailer 12HK$46,031 HKD
Retailer 13HK$47,623 HKD
Retailer 3HK$49,717 HKD
Retailer 5HK$54,285 HKD
Retailer 4HK$58,770 HKD
Retailer 6HK$66,909 HKD
NZ JewellersHK$75,546 HKD

35 data points across 13 retailers

9 retailersHK$40,421 HKD to HK$75,546 HKD

A
Cheapest Retailer
-
HK$40,421 HKD
$5,152 USD
A
Retailer 2
-
HK$42,391 HKD
£4,254 GBP
View
A
Retailer 3
-
HK$43,465 HKD
$5,540 USD
View
A
Retailer 4
-
HK$45,168 HKD
$5,757 USD
View
A
Retailer 5
-
HK$45,168 HKD
$5,757 USD
View
Retailer 6
-
HK$45,414 HKD
A$8,905 AUD
View
Price last confirmed 13 days ago
A
Retailer 7
-
HK$46,031 HKD
$5,867 USD
View
B+
Retailer 8
-
HK$66,909 HKD
£6,715 GBP
View
Most Expensive
B
NZ Jewellers
2000c503-6131-405e-84a0-61da46a0ca3b · Oct 30
HK$75,546 HKD
$9,629 USD
View
8 more retailers have this diamond
Prices start from HK$40,421 HKDSave up to HK$35,125 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$40,421 HKD