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Heart|Natural|HRD

1.55ct K SI1 Heart Natural Diamond

EX • K/SI1 • HRD 250000326462

Certificate HRD 250000326462

Diamond specifications and retailer prices

From HK$18,441 HKD
As of November 1, 2026
Save HK$20,119 HKD (52%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$38,560 HKD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.55ct natural heart diamond

This 1.55ct natural heart sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 250000326462. Listed at 5 retailers as of November 1, 2026, with prices from HK$18,441 to HK$38,560, a HK$20,119 spread on the same certified stone. NZ Jewellers lists it at HK$38,560. 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

1.55
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle37.48°
Pavilion angle42.26°
OriginNatural
Grading LabHRD
CertificateHRD 250000326462
Dimensions6.96 × 7.98 × 4.84 mm
L/W Ratio1.15
Girdle conditionMedium
Top View
6.96 mm7.98 mm1.55 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateHRD 250000326462
Side View
Table 63.0%Crown 37.48°GirdlePavilion 42.26°CuletDepth 60.7%

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: Nov 1
Current: HK$38,560 HKD|Low: HK$18,441 HKD|High: HK$39,140 HKD|Avg: HK$25,381 HKD|-1.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 3HK$18,441 HKD
Retailer 5HK$19,123 HKD
Retailer 4HK$19,296 HKD
Retailer 6HK$21,843 HKD
Retailer 2HK$32,314 HKD
NZ JewellersHK$38,560 HKD

15 data points across 6 retailers

5 retailersHK$18,441 HKD to HK$38,560 HKD

A
Cheapest Retailer
-
HK$18,441 HKD
B+
Retailer 2
-
HK$19,123 HKD
View
B+
Retailer 3
-
HK$19,296 HKD
View
B+
Retailer 4
-
HK$32,314 HKD
View
Most Expensive
B
NZ Jewellers
c09f5359-d3ae-4d76-a80c-03d88b047577 · Nov 3
HK$38,560 HKD
$4,920 USD
View
4 more retailers have this diamond
Prices start from HK$18,441 HKDSave up to HK$20,119 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
1.55ct Heart
HK$18,441 HKD