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Heart|Natural|GIA

1.21ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 5426090686

Certificate GIA 5426090686

Diamond specifications and retailer prices

From HK$20,659 HKD
$2,633 USD
As of October 31, 2026
Save HK$26,227 HKD (56%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: HK$46,886 HKD at NZ Jewellers · As of October 30, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5426090686. Listed at 25 retailers as of October 30, 2026, with prices from HK$20,659 to HK$46,886, a HK$26,227 spread on the same certified stone. NZ Jewellers lists it at HK$46,886. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5426090686
Dimensions6.59 × 7.07 × 4.31 mm
L/W Ratio1.07
Top View
6.59 mm7.07 mm1.21 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5426090686
Side View
Table 64.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 60.9%

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: Oct 31
Current: HK$26,608 HKD|Low: HK$21,003 HKD|High: HK$45,546 HKD|Avg: HK$27,391 HKD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 3HK$21,003 HKD
Retailer 9HK$21,380 HKD
Retailer 7HK$21,835 HKD
Retailer 8HK$22,902 HKD
Retailer 11HK$24,384 HKD
Retailer 10HK$25,318 HKD
Retailer 2HK$26,252 HKD
Retailer 1HK$26,608 HKD
Retailer 5HK$28,126 HKD
Retailer 4HK$31,494 HKD
Retailer 6HK$45,008 HKD

41 data points across 11 retailers

25 retailersHK$20,659 HKD to HK$46,886 HKD

B+
Cheapest Retailer
-
HK$20,659 HKD
$2,633 USD
B+
Retailer 2
-
HK$21,003 HKD
$2,677 USD
View
B+
Retailer 3
-
HK$21,380 HKD
$2,725 USD
View
Final sale: no returns
B+
Retailer 4
-
HK$21,560 HKD
$2,748 USD
View
B+
Retailer 5
-
HK$21,835 HKD
$2,783 USD
View
B+
Retailer 6
-
HK$22,902 HKD
$2,919 USD
View
B
Retailer 7
-
HK$24,384 HKD
$3,108 USD
View
B
Retailer 8
-
HK$24,384 HKD
$3,108 USD
View
B
Retailer 9
-
HK$24,551 HKD
$3,129 USD
View
B
Retailer 10
-
HK$24,920 HKD
CA$4,411 CAD
View
B
Retailer 11
-
HK$25,318 HKD
$3,227 USD
View
B
Retailer 12
-
HK$26,252 HKD
$3,346 USD
View
B
Retailer 13
-
HK$26,487 HKD
$3,376 USD
View
B
Retailer 14
-
HK$26,608 HKD
£2,670 GBP
View
B
Retailer 15
-
HK$27,695 HKD
$3,530 USD
View
B
Retailer 16
-
HK$27,695 HKD
$3,530 USD
View
B
Retailer 17
-
HK$28,126 HKD
£2,823 GBP
View
B
Retailer 18
-
HK$28,135 HKD
$3,586 USD
View
B
Retailer 19
-
HK$28,637 HKD
$3,650 USD
View
Retailer 20
-
HK$30,496 HKD
$3,887 USD
View
Price last confirmed 10 days ago
B
Retailer 21
-
HK$31,494 HKD
€3,823 EUR
View
B
Retailer 22
-
HK$31,610 HKD
$4,029 USD
View
B
Retailer 23
-
HK$38,847 HKD
$4,951 USD
View
B
Retailer 24
-
HK$45,008 HKD
£4,517 GBP
View
Most Expensive
B
NZ Jewellers
b2c6f282-9c68-4ba7-94d9-d58a71100785 · Oct 30
HK$46,886 HKD
$5,976 USD
View
24 more retailers have this diamond
Prices start from HK$20,659 HKDSave up to HK$26,227 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$20,659 HKD