Heart|Natural|GIA

1.01ct I SI2 Heart Natural Diamond

ID • I/SI2 • GIA 2506819063

Certificate GIA 2506819063

Diamond specifications and retailer prices

From €1,123 EUR
As of November 6, 2026
Save €1,530 EUR (58%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €3,892 EUR at NZ Jewellers · As of September 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 2506819063. Listed at 19 retailers as of November 4, 2026, with a 136% 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
SymmetryVery Good
FluorescenceNone
Crown angle36.4°
Pavilion angle42.6°
OriginNatural
Grading LabGIA
CertificateGIA 2506819063
Dimensions5.82 × 6.97 × 4.31 mm
L/W Ratio1.20
Top View
5.82 mm6.97 mm1.01 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2506819063
Side View
Table 58.0%Crown 36.4°Girdle: MD-VTKPavilion 42.6°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €3,704 EUR|Low: €1,112 EUR|High: €3,892 EUR|Avg: €1,754 EUR|-4.8%
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
November 5, 2026
Retailer 8€1,123 EUR
Retailer 13€1,332 EUR
Retailer 3€1,385 EUR
Retailer 10€1,402 EUR
Retailer 14€1,491 EUR
Retailer 11€1,519 EUR
Retailer 4€1,567 EUR
Retailer 9€1,589 EUR
Retailer 6€1,595 EUR
Retailer 12€1,641 EUR
Retailer 2€1,685 EUR
Retailer 5€1,753 EUR
Retailer 7€2,653 EUR
NZ Jewellers€3,704 EUR

42 data points across 14 retailers

19 retailers€1,123 EUR to €2,653 EUR

A
Cheapest Retailer
-
€1,123 EUR
Retailer 2
-
€1,332 EUR
View
Price last confirmed 19 days ago
A
Retailer 3
-
€1,385 EUR
View
B+
Retailer 4
-
€1,402 EUR
View
Final sale: no returns
B+
Retailer 5
-
€1,491 EUR
View
Retailer 6
-
€1,519 EUR
View
Price last confirmed 17 days ago
Retailer 7
-
€1,519 EUR
View
Price last confirmed 21 days ago
Retailer 8
-
€1,567 EUR
View
Price last confirmed 10 days ago
Retailer 9
-
€1,589 EUR
View
Price last confirmed 21 days ago
Retailer 10
-
€1,595 EUR
View
Price last confirmed 47 days ago
Retailer 11
-
€1,595 EUR
View
Price last confirmed 49 days ago
B+
Retailer 12
-
€1,641 EUR
View
B+
Retailer 13
-
€1,685 EUR
View
Retailer 14
-
€1,753 EUR
View
Price last confirmed 16 days ago
Retailer 15
-
€1,841 EUR
View
Price last confirmed 48 days ago
B
Retailer 16
-
€2,653 EUR
View
Retailer 17
-
€3,704 EUR
View
Price last confirmed 16 days ago
Retailer 18
-
€3,892 EUR
View
Price last confirmed 49 days ago
Most Expensive
NZ Jewellers
1b3230bb-a038-4dea-b5f7-1637fda85752 · Sep 21
€3,892 EUR
$4,345 USD
View
Price last confirmed 46 days ago
18 more retailers have this diamond
Prices start from €1,123 EURSave up to €1,530 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
€1,123 EUR