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Heart|Natural|GIA

1.02ct J SI2 Heart Natural Diamond

EX • J/SI2 • GIA 5151454109

Certificate GIA 5151454109

Diamond specifications and retailer prices

From HK$19,539 HKD
As of November 5, 2026
Save HK$22,956 HKD (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$42,494 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.02ct natural heart diamond

This 1.02ct natural heart sits in the classic one-carat band, graded J 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 5151454109. Listed at 14 retailers as of November 5, 2026, with prices from HK$19,539 to HK$42,494, a HK$22,956 spread on the same certified stone. NZ Jewellers lists it at HK$42,494. 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

1.02
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5151454109
Dimensions6.64 × 7.26 × 3.34 mm
L/W Ratio1.09
Top View
6.64 mm7.26 mm1.02 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 5151454109
Side View
Table 61.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 46.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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$26,757 HKD|Low: HK$22,094 HKD|High: HK$41,272 HKD|Avg: HK$27,331 HKD|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5HK$22,094 HKD
Retailer 4HK$22,948 HKD
Retailer 6HK$23,810 HKD
Retailer 2HK$25,236 HKD
Retailer 1HK$26,757 HKD
Retailer 7HK$28,309 HKD
Retailer 3HK$40,676 HKD

43 data points across 7 retailers

14 retailersHK$19,539 HKD to HK$42,494 HKD

B
Cheapest Retailer
-
HK$19,539 HKD
B
Retailer 2
-
HK$19,782 HKD
View
B
Retailer 3
-
HK$22,094 HKD
View
Retailer 4
-
HK$22,094 HKD
View
Price last confirmed 9 days ago
B
Retailer 5
-
HK$22,556 HKD
View
B
Retailer 6
-
HK$22,948 HKD
View
B
Retailer 7
-
HK$23,810 HKD
View
B
Retailer 8
-
HK$23,982 HKD
View
B
Retailer 9
-
HK$25,236 HKD
View
B
Retailer 10
-
HK$25,495 HKD
View
B
Retailer 11
-
HK$26,757 HKD
View
Retailer 12
-
HK$28,309 HKD
View
Price last confirmed 15 days ago
B
Retailer 13
-
HK$40,676 HKD
View
Most Expensive
C
NZ Jewellers
3b2c707b-3a6a-46de-bee9-b6a6c4775601 · Nov 5
HK$42,494 HKD
$5,422 USD
View
13 more retailers have this diamond
Prices start from HK$19,539 HKDSave up to HK$22,956 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
1.02ct Heart
HK$19,539 HKD