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Heart|Natural|GIA

1.01ct I SI2 Heart Natural Diamond

ID • I/SI2 • GIA 2558316220

Certificate GIA 2558316220

Diamond specifications and retailer prices

From €1,227 EUR
$1,376 USD
As of November 1, 2026
Save €1,469 EUR (54%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €3,717 EUR at NZ Jewellers · As of October 21, 2026
View at NZ Jewellers

About this 1.01ct natural heart diamond

This 1.01ct 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 2558316220. Listed at 13 retailers as of November 1, 2026, with a 120% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.01
Carat
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2558316220
Dimensions6.19 × 6.87 × 4.09 mm
L/W Ratio1.11
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal
Top View
6.19 mm6.87 mm1.01 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2558316220
Side View
Table 56.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 59.6%

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 1
Current: €3,717 EUR|Low: €1,062 EUR|High: €3,717 EUR|Avg: €1,764 EUR
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
November 2, 2026
Retailer 3€1,227 EUR
Retailer 16€1,275 EUR
Retailer 4€1,381 EUR
Retailer 15€1,381 EUR
Retailer 5€1,392 EUR
Retailer 6€1,435 EUR
Retailer 9€1,521 EUR
Retailer 7€1,532 EUR
Retailer 14€1,593 EUR
Retailer 8€1,637 EUR
Retailer 11€1,641 EUR
Retailer 12€1,641 EUR
Retailer 13€1,703 EUR
Retailer 10€2,101 EUR
Retailer 2€2,696 EUR
NZ Jewellers€3,717 EUR

34 data points across 16 retailers

13 retailers€1,227 EUR to €2,696 EUR

A
Cheapest Retailer
-
€1,227 EUR
$1,376 USD
Retailer 2
-
€1,381 EUR
$1,549 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
€1,392 EUR
$1,561 USD
View
A
Retailer 4
-
€1,435 EUR
$1,610 USD
View
Retailer 5
-
€1,444 EUR
$1,620 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
€1,521 EUR
£1,344 GBP
View
Retailer 7
-
€1,593 EUR
$1,787 USD
View
Price last confirmed 12 days ago
B+
Retailer 8
-
€1,641 EUR
$1,840 USD
View
B+
Retailer 9
-
€1,641 EUR
$1,840 USD
View
B+
Retailer 10
-
€1,703 EUR
$1,910 USD
View
B+
Retailer 11
-
€2,101 EUR
View
B
Retailer 12
-
€2,696 EUR
£2,381 GBP
View
Most Expensive
NZ Jewellers
453bf252-3c41-4c5e-9c5a-0c6a81eb154b · Oct 21
€3,717 EUR
$4,169 USD
View
Price last confirmed 12 days ago
12 more retailers have this diamond
Prices start from €1,227 EURSave up to €1,469 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
1.01ct Heart
€1,227 EUR