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Heart|Natural|GIA

1.21ct H SI2 Heart Natural Diamond

ID • H/SI2 • GIA 2548637874

Certificate GIA 2548637874

Diamond specifications and retailer prices

From HK$15,677 HKD
$1,998 USD
As of November 2, 2026
Save HK$26,457 HKD (63%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$42,134 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 2548637874. Listed at 16 retailers as of October 30, 2026, with prices from HK$15,677 to HK$42,134, a HK$26,457 spread on the same certified stone. NZ Jewellers lists it at HK$42,134. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2548637874
Dimensions7.14 × 6.45 × 4.30 mm
L/W Ratio1.11
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Indented Natural
Top View
7.14 mm6.45 mm1.21 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2548637874
Side View
Table 61.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 60.2%

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 2
Current: HK$42,134 HKD|Low: HK$13,911 HKD|High: HK$42,134 HKD|Avg: HK$22,089 HKD|+1.0%
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
Retailer 14
Retailer 15
Retailer 16
November 2, 2026
Retailer 9HK$15,677 HKD
Retailer 4HK$15,755 HKD
Retailer 16HK$16,697 HKD
Retailer 12HK$18,258 HKD
Retailer 14HK$18,258 HKD
Retailer 13HK$19,097 HKD
Retailer 5HK$19,144 HKD
Retailer 10HK$19,925 HKD
Retailer 3HK$19,929 HKD
Retailer 7HK$21,028 HKD
Retailer 8HK$21,028 HKD
Retailer 15HK$21,067 HKD
Retailer 6HK$21,734 HKD
Retailer 11HK$25,160 HKD
Retailer 2HK$35,314 HKD
NZ JewellersHK$42,134 HKD

45 data points across 16 retailers

16 retailersHK$15,677 HKD to HK$42,134 HKD

A
Cheapest Retailer
-
HK$15,677 HKD
$1,998 USD
A
Retailer 2
-
HK$15,755 HKD
$2,008 USD
View
A
Retailer 3
-
HK$16,697 HKD
$2,128 USD
View
Final sale: no returns
B+
Retailer 4
-
HK$18,258 HKD
$2,327 USD
View
B+
Retailer 5
-
HK$18,258 HKD
$2,327 USD
View
B+
Retailer 6
-
HK$19,097 HKD
$2,434 USD
View
B+
Retailer 7
-
HK$19,144 HKD
$2,440 USD
View
B+
Retailer 8
-
HK$19,925 HKD
£2,000 GBP
View
B+
Retailer 9
-
HK$19,929 HKD
$2,540 USD
View
B+
Retailer 10
-
HK$21,028 HKD
$2,680 USD
View
B+
Retailer 11
-
HK$21,028 HKD
$2,680 USD
View
B+
Retailer 12
-
HK$21,067 HKD
$2,685 USD
View
B+
Retailer 13
-
HK$21,734 HKD
$2,770 USD
View
B+
Retailer 14
-
HK$25,160 HKD
€3,054 EUR
View
B
Retailer 15
-
HK$35,314 HKD
£3,544 GBP
View
Most Expensive
B
NZ Jewellers
16db4d77-b7d0-4106-b007-8ab322cb2121 · Oct 30
HK$42,134 HKD
$5,370 USD
View
15 more retailers have this diamond
Prices start from HK$15,677 HKDSave up to HK$26,457 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
1.21ct Heart
HK$15,677 HKD