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Heart|Natural|GIA

1.21ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 1539635227

Certificate GIA 1539635227

Diamond specifications and retailer prices

From HK$15,601 HKD
SGD 2,687 SGD
As of October 31, 2026
Save HK$20,240 HKD (56%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$35,841 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 1539635227. Listed at 7 retailers as of October 30, 2026, with prices from HK$15,601 to HK$35,841, a HK$20,240 spread on the same certified stone. NZ Jewellers lists it at HK$35,841. 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
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1539635227
Dimensions7.39 × 6.43 × 3.73 mm
L/W Ratio1.15
Key to symbols
Twinning Wisp, Crystal, Cloud, Feather, Needle, Indented Natural
Top View
7.39 mm6.43 mm1.21 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1539635227
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 58.0%

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 31
Current: HK$35,841 HKD|Low: HK$14,484 HKD|High: HK$40,258 HKD|Avg: HK$21,536 HKD|-2.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 6HK$15,601 HKD
Retailer 4HK$16,791 HKD
Retailer 9HK$17,771 HKD
Retailer 8HK$17,936 HKD
Retailer 2HK$17,991 HKD
Retailer 3HK$18,580 HKD
Retailer 7HK$18,675 HKD
Retailer 10HK$19,482 HKD
Retailer 12HK$19,529 HKD
Retailer 11HK$22,549 HKD
Retailer 5HK$30,033 HKD
NZ JewellersHK$35,841 HKD

30 data points across 12 retailers

7 retailersHK$15,601 HKD to HK$35,841 HKD

A
Cheapest Retailer
-
HK$15,601 HKD
SGD 2,687 SGD
B+
Retailer 2
-
HK$17,771 HKD
$2,265 USD
View
Final sale: no returns
B+
Retailer 3
-
HK$17,936 HKD
$2,286 USD
View
B+
Retailer 4
-
HK$17,991 HKD
$2,293 USD
View
B+
Retailer 5
-
HK$18,675 HKD
$2,380 USD
View
B
Retailer 6
-
HK$30,033 HKD
£3,014 GBP
View
Most Expensive
B
NZ Jewellers
b68ae1d6-3e41-4c83-a5b7-b706b500f6f1 · Oct 30
HK$35,841 HKD
$4,568 USD
View
6 more retailers have this diamond
Prices start from HK$15,601 HKDSave up to HK$20,240 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$15,601 HKD