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Heart|Natural|HRD

1.21ct H SI1 Heart Natural Diamond

ID • H/SI1 • HRD 260000182067

Certificate HRD 260000182067

Diamond specifications and retailer prices

From HK$17,477 HKD
As of November 4, 2026
Save HK$12,579 HKD (42%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$37,424 HKD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.21ct natural heart diamond

This 1.21ct natural heart sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 260000182067. Listed at 7 retailers as of November 2, 2026, with a 72% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.21
Carat
H
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39.36°
Pavilion angle40.88°
OriginNatural
Grading LabHRD
CertificateHRD 260000182067
Dimensions7.33 × 6.52 × 4.40 mm
L/W Ratio1.12
Girdle conditionMedium
Top View
7.33 mm6.52 mm1.21 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateHRD 260000182067
Side View
Table 61.0%Crown 39.36°GirdlePavilion 40.88°CuletDepth 60.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$30,056 HKD|Low: HK$17,477 HKD|High: HK$31,741 HKD|Avg: HK$24,513 HKD|-5.2%
Retailer 1
Retailer 2
November 1, 2026
Retailer 2HK$17,477 HKD
Retailer 1HK$30,056 HKD

10 data points across 2 retailers

7 retailersHK$17,477 HKD to HK$30,056 HKD

B+
Cheapest Retailer
-
HK$17,477 HKD
Retailer 2
-
HK$17,901 HKD
View
Price last confirmed 42 days ago
Retailer 3
-
HK$17,901 HKD
View
Price last confirmed 30 days ago
Retailer 4
-
HK$18,724 HKD
View
Price last confirmed 37 days ago
B
Retailer 5
-
HK$30,056 HKD
View
Retailer 6
-
HK$37,424 HKD
View
Price last confirmed 39 days ago
Most Expensive
NZ Jewellers
7b71120a-a33c-490a-867d-2f7188f895e1 · Sep 28
HK$37,424 HKD
$4,775 USD
View
Price last confirmed 39 days ago
6 more retailers have this diamond
Prices start from HK$17,477 HKDSave up to HK$12,579 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.

B+
1.21ct Heart
HK$17,477 HKD