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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 €2,233 EUR
As of November 5, 2026
Save €2,623 EUR (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €4,856 EUR 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 €2,233 to €4,856, a €2,623 spread on the same certified stone. NZ Jewellers lists it at €4,856. 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: €3,058 EUR|Low: €2,525 EUR|High: €4,717 EUR|Avg: €3,127 EUR|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5€2,525 EUR
Retailer 4€2,622 EUR
Retailer 6€2,721 EUR
Retailer 2€2,884 EUR
Retailer 1€3,058 EUR
Retailer 7€3,235 EUR
Retailer 3€4,648 EUR

44 data points across 7 retailers

14 retailers€2,233 EUR to €4,856 EUR

B
Cheapest Retailer
-
€2,233 EUR
B
Retailer 2
-
€2,261 EUR
View
B
Retailer 3
-
€2,525 EUR
View
Retailer 4
-
€2,525 EUR
View
Price last confirmed 8 days ago
B
Retailer 5
-
€2,578 EUR
View
B
Retailer 6
-
€2,622 EUR
View
B
Retailer 7
-
€2,721 EUR
View
B
Retailer 8
-
€2,741 EUR
View
B
Retailer 9
-
€2,884 EUR
View
B
Retailer 10
-
€2,914 EUR
View
B
Retailer 11
-
€3,058 EUR
View
Retailer 12
-
€3,235 EUR
View
Price last confirmed 14 days ago
B
Retailer 13
-
€4,648 EUR
View
Most Expensive
C
NZ Jewellers
3b2c707b-3a6a-46de-bee9-b6a6c4775601 · Nov 5
€4,856 EUR
$5,422 USD
View
13 more retailers have this diamond
Prices start from €2,233 EURSave up to €2,623 EUR

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
€2,233 EUR