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Heart|Natural|GIA

1.30ct I SI1 Heart Natural Diamond

ID • I/SI1 • GIA 6551291505

Certificate GIA 6551291505

Diamond specifications and retailer prices

From HK$20,589 HKD
As of November 6, 2026
Save HK$29,649 HKD (59%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$50,238 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.3ct natural heart diamond

This 1.3ct natural heart sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551291505. Listed at 18 retailers as of November 5, 2026, with prices from HK$20,589 to HK$50,238, a HK$29,649 spread on the same certified stone. NZ Jewellers lists it at HK$50,238. 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

1.30
Carat
I
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551291505
Dimensions7.59 × 6.42 × 4.42 mm
L/W Ratio1.18
Culet sizeNone
Key to symbols
Feather, Crystal, Pinpoint
Top View
7.59 mm6.42 mm1.30 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551291505
Side View
Table 57.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 58.3%

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 6
Current: HK$50,238 HKD|Low: HK$19,899 HKD|High: HK$50,238 HKD|Avg: HK$29,892 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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 8HK$20,589 HKD
Retailer 9HK$22,423 HKD
Retailer 7HK$23,881 HKD
Retailer 17HK$26,122 HKD
Retailer 19HK$26,122 HKD
Retailer 11HK$26,334 HKD
Retailer 10HK$27,039 HKD
Retailer 18HK$27,125 HKD
Retailer 12HK$27,650 HKD
Retailer 2HK$27,972 HKD
Retailer 4HK$28,027 HKD
Retailer 13HK$28,732 HKD
Retailer 3HK$29,625 HKD
Retailer 5HK$29,625 HKD
Retailer 20HK$30,143 HKD
Retailer 6HK$30,644 HKD
Retailer 14HK$33,560 HKD
Retailer 15HK$35,190 HKD
Retailer 16HK$48,090 HKD
NZ JewellersHK$50,238 HKD

35 data points across 20 retailers

18 retailersHK$20,589 HKD to HK$50,238 HKD

A
Cheapest Retailer
-
HK$20,589 HKD
A
Retailer 2
-
HK$22,423 HKD
View
B+
Retailer 3
-
HK$23,881 HKD
View
Final sale: no returns
B+
Retailer 4
-
HK$26,122 HKD
View
B+
Retailer 5
-
HK$27,039 HKD
View
B+
Retailer 6
-
HK$27,125 HKD
View
B+
Retailer 7
-
HK$27,972 HKD
View
B+
Retailer 8
-
HK$28,027 HKD
View
B+
Retailer 9
-
HK$28,732 HKD
View
B+
Retailer 10
-
HK$29,625 HKD
View
B+
Retailer 11
-
HK$29,625 HKD
View
Retailer 12
-
HK$29,853 HKD
View
Price last confirmed 29 days ago
B+
Retailer 13
-
HK$30,143 HKD
View
B
Retailer 14
-
HK$30,644 HKD
View
B+
Retailer 15
-
HK$33,560 HKD
View
B
Retailer 16
-
HK$35,190 HKD
View
B
Retailer 17
-
HK$48,090 HKD
View
Most Expensive
B
NZ Jewellers
37da4c9f-a3f6-417c-9436-265a43f6b7a6 · Nov 5
HK$50,238 HKD
$6,410 USD
View
17 more retailers have this diamond
Prices start from HK$20,589 HKDSave up to HK$29,649 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
1.30ct Heart
HK$20,589 HKD