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Heart|Natural|GIA

1.20ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 6535689578

Certificate GIA 6535689578

Diamond specifications and retailer prices

From HK$18,269 HKD
As of November 5, 2026
Save HK$24,374 HKD (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$42,643 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 G 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 6535689578. Listed at 13 retailers as of November 5, 2026, with prices from HK$18,269 to HK$42,643, a HK$24,374 spread on the same certified stone. NZ Jewellers lists it at HK$42,643. 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
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6535689578
Dimensions6.34 × 7.14 × 4.48 mm
L/W Ratio1.13
Girdle conditionFaceted
Cert comments
Additional clouds are not shown. pinpoints are not shown.
Key to symbols
Feather, Cloud, Crystal, Needle, Indented Natural, Cavity
Top View
6.34 mm7.14 mm1.20 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6535689578
Side View
Table 56.0%CrownGirdle: MED-THPavilionCulet: NoneDepth 62.7%

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 5
Current: HK$42,643 HKD|Low: HK$17,885 HKD|High: HK$42,643 HKD|Avg: HK$24,006 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11HK$18,269 HKD
Retailer 3HK$18,818 HKD
Retailer 9HK$18,927 HKD
Retailer 2HK$20,056 HKD
Retailer 6HK$20,393 HKD
Retailer 10HK$20,393 HKD
Retailer 8HK$21,184 HKD
Retailer 4HK$21,584 HKD
Retailer 5HK$23,536 HKD
Retailer 7HK$35,637 HKD
NZ JewellersHK$42,643 HKD

28 data points across 11 retailers

13 retailersHK$18,269 HKD to HK$42,643 HKD

A
Cheapest Retailer
-
HK$18,269 HKD
B+
Retailer 2
-
HK$18,818 HKD
View
Final sale: no returns
B+
Retailer 3
-
HK$18,927 HKD
View
B+
Retailer 4
-
HK$19,014 HKD
View
B+
Retailer 5
-
HK$20,056 HKD
View
B+
Retailer 6
-
HK$20,393 HKD
View
Retailer 7
-
HK$20,393 HKD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
HK$21,184 HKD
View
B+
Retailer 9
-
HK$21,498 HKD
View
B+
Retailer 10
-
HK$21,584 HKD
View
B+
Retailer 11
-
HK$23,536 HKD
View
B
Retailer 12
-
HK$35,637 HKD
View
Most Expensive
B
NZ Jewellers
58958387-f0a7-48e7-8645-93a7a99ed735 · Nov 5
HK$42,643 HKD
$5,441 USD
View
12 more retailers have this diamond
Prices start from HK$18,269 HKDSave up to HK$24,374 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
1.20ct Heart
HK$18,269 HKD