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Heart|Natural|GIA

1.20ct K SI1 Heart Natural Diamond

EX • K/SI1 • GIA 2498419657

Certificate GIA 2498419657

Diamond specifications and retailer prices

From HK$15,236 HKD
As of November 6, 2026
Save HK$20,558 HKD (57%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$35,793 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural heart diamond

This 1.2ct natural heart sits in the classic one-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 GIA 2498419657. Listed at 8 retailers as of November 5, 2026, with prices from HK$15,236 to HK$35,793, a HK$20,558 spread on the same certified stone. NZ Jewellers lists it at HK$35,793. 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

1.20
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2498419657
Dimensions6.73 × 7.21 × 4.09 mm
L/W Ratio1.07
Top View
6.73 mm7.21 mm1.20 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2498419657
Side View
Table 58.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 56.7%

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 6
Current: HK$35,793 HKD|Low: HK$17,211 HKD|High: HK$35,793 HKD|Avg: HK$24,772 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5HK$17,211 HKD
Retailer 3HK$18,778 HKD
Retailer 2HK$21,247 HKD
Retailer 6HK$24,829 HKD
Retailer 4HK$29,908 HKD
NZ JewellersHK$35,793 HKD

44 data points across 6 retailers

8 retailersHK$15,236 HKD to HK$35,793 HKD

B+
Cheapest Retailer
-
HK$15,236 HKD
B+
Retailer 2
-
HK$16,929 HKD
View
B+
Retailer 3
-
HK$17,211 HKD
View
B+
Retailer 4
-
HK$18,778 HKD
View
B+
Retailer 5
-
HK$21,247 HKD
View
B
Retailer 6
-
HK$24,829 HKD
View
B
Retailer 7
-
HK$29,908 HKD
View
Most Expensive
B
NZ Jewellers
42e04ff4-d731-41b3-a91f-50d176a163f2 · Nov 5
HK$35,793 HKD
$4,567 USD
View
7 more retailers have this diamond
Prices start from HK$15,236 HKDSave up to HK$20,558 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+
1.20ct Heart
HK$15,236 HKD