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Heart|Natural|GIA

1.00ct I SI2 Heart Natural Diamond

ID • I/SI2 • GIA 5553588987

Certificate GIA 5553588987

Diamond specifications and retailer prices

From €1,219 EUR
As of November 6, 2026
Save €2,797 EUR (70%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €4,016 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural heart diamond

This 1ct 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 5553588987. Listed at 14 retailers as of November 5, 2026, with prices from €1,219 to €4,016, a €2,797 spread on the same certified stone. NZ Jewellers lists it at €4,016. 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

1.00
Carat
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5553588987
Dimensions6.86 × 5.79 × 4.15 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Cloud, Crystal, Feather, Needle
Top View
6.86 mm5.79 mm1.00 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553588987
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 60.5%

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: €4,016 EUR|Low: €1,137 EUR|High: €4,016 EUR|Avg: €1,840 EUR|+0.9%
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
November 6, 2026
Retailer 8€1,219 EUR
Retailer 6€1,314 EUR
Retailer 5€1,364 EUR
Retailer 14€1,492 EUR
Retailer 16€1,492 EUR
Retailer 7€1,541 EUR
Retailer 15€1,560 EUR
Retailer 2€1,618 EUR
Retailer 9€1,645 EUR
Retailer 17€1,652 EUR
Retailer 13€1,721 EUR
Retailer 3€1,755 EUR
Retailer 18€1,755 EUR
Retailer 4€1,809 EUR
Retailer 10€1,834 EUR
Retailer 11€2,236 EUR
Retailer 12€2,884 EUR
NZ Jewellers€4,016 EUR

35 data points across 18 retailers

14 retailers€1,219 EUR to €4,016 EUR

A
Cheapest Retailer
-
€1,219 EUR
A
Retailer 2
-
€1,314 EUR
View
A
Retailer 3
-
€1,492 EUR
View
B+
Retailer 4
-
€1,541 EUR
View
B+
Retailer 5
-
€1,560 EUR
View
B+
Retailer 6
-
€1,618 EUR
View
B+
Retailer 7
-
€1,652 EUR
View
B+
Retailer 8
-
€1,721 EUR
View
B+
Retailer 9
-
€1,755 EUR
View
B+
Retailer 10
-
€1,755 EUR
View
B+
Retailer 11
-
€1,809 EUR
View
B+
Retailer 12
-
€2,236 EUR
View
B
Retailer 13
-
€2,884 EUR
View
Most Expensive
B
NZ Jewellers
d5307ce0-16e2-407b-9e7e-13e2ee616e02 · Nov 5
€4,016 EUR
$4,484 USD
View
13 more retailers have this diamond
Prices start from €1,219 EURSave up to €2,797 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.

A
1.00ct Heart
€1,219 EUR