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Heart|Natural|GIA

1.23ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 6532310035

Certificate GIA 6532310035

Diamond specifications and retailer prices

From HK$14,617 HKD
As of November 7, 2026
Save HK$21,404 HKD (59%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$36,021 HKD at NZ Jewellers · As of November 7, 2026
View at NZ Jewellers

About this 1.23ct natural heart diamond

This 1.23ct natural heart sits in the classic one-carat band, graded I 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 6532310035. Listed at 5 retailers as of November 7, 2026, with prices from HK$14,617 to HK$36,021, a HK$21,404 spread on the same certified stone. NZ Jewellers lists it at HK$36,021. 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

1.23
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.43°
Pavilion angle41.77°
OriginNatural
Grading LabGIA
CertificateGIA 6532310035
Dimensions6.39 × 7.53 × 4.55 mm
L/W Ratio1.18
Top View
6.39 mm7.53 mm1.23 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6532310035
Side View
Table 59.0%Crown 36.43°GirdlePavilion 41.77°CuletDepth 60.4%

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 7
Current: HK$36,021 HKD|Low: HK$14,601 HKD|High: HK$36,836 HKD|Avg: HK$20,436 HKD|-2.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 2HK$14,617 HKD
Retailer 5HK$14,766 HKD
Retailer 3HK$15,448 HKD
Retailer 7HK$17,352 HKD
Retailer 6HK$17,642 HKD
Retailer 8HK$19,594 HKD
Retailer 4HK$25,738 HKD
NZ JewellersHK$36,021 HKD

27 data points across 8 retailers

5 retailersHK$14,617 HKD to HK$36,021 HKD

A
Cheapest Retailer
-
HK$14,617 HKD
A
Retailer 2
-
HK$14,766 HKD
View
A
Retailer 3
-
HK$15,448 HKD
View
B
Retailer 4
-
HK$25,738 HKD
View
Most Expensive
B
NZ Jewellers
5f390f7f-ec56-405f-9a3c-20af57692f84 · Nov 7
HK$36,021 HKD
$4,596 USD
View
4 more retailers have this diamond
Prices start from HK$14,617 HKDSave up to HK$21,404 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
1.23ct Heart
HK$14,617 HKD