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Heart|Natural|GIA

1.01ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 2426187670

Certificate GIA 2426187670

Diamond specifications and retailer prices

From €1,131 EUR
As of November 6, 2026
Save €2,768 EUR (71%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €3,899 EUR at NZ Jewellers · As of November 5, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2426187670. Listed at 18 retailers as of November 5, 2026, with prices from €1,131 to €3,899, a €2,768 spread on the same certified stone. NZ Jewellers lists it at €3,899. 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
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 2426187670
Dimensions6.06 × 6.46 × 4.09 mm
L/W Ratio1.07
Top View
6.06 mm6.46 mm1.01 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2426187670
Side View
Table 58.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 63.3%

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: €1,131 EUR|Low: €1,087 EUR|High: €2,834 EUR|Avg: €1,810 EUR|-3.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 1€1,131 EUR
Retailer 7€1,157 EUR
Retailer 9€1,474 EUR
Retailer 8€1,541 EUR
Retailer 2€1,672 EUR
Retailer 4€1,774 EUR
Retailer 5€1,951 EUR
Retailer 10€2,085 EUR
Retailer 3€2,169 EUR
Retailer 6€2,800 EUR

36 data points across 10 retailers

18 retailers€1,131 EUR to €3,899 EUR

A
Cheapest Retailer
-
€1,131 EUR
A
Retailer 2
-
€1,157 EUR
View
B+
Retailer 3
-
€1,467 EUR
View
B+
Retailer 4
-
€1,474 EUR
View
Final sale: no returns
B+
Retailer 5
-
€1,541 EUR
View
Retailer 6
-
€1,599 EUR
View
Price last confirmed 9 days ago
B+
Retailer 7
-
€1,599 EUR
View
B+
Retailer 8
-
€1,607 EUR
View
B+
Retailer 9
-
€1,672 EUR
View
B
Retailer 10
-
€1,743 EUR
View
B
Retailer 11
-
€1,774 EUR
View
B
Retailer 12
-
€1,844 EUR
View
B+
Retailer 13
-
€1,951 EUR
View
Retailer 14
-
€2,085 EUR
View
Price last confirmed 33 days ago
B
Retailer 15
-
€2,169 EUR
View
B
Retailer 16
-
€2,800 EUR
View
B
Retailer 17
-
€3,539 EUR
View
Most Expensive
C
NZ Jewellers
5dcfe42a-ebad-4a1a-8c6f-ecc666908a7a · Nov 5
€3,899 EUR
$4,353 USD
View
17 more retailers have this diamond
Prices start from €1,131 EURSave up to €2,768 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
€1,131 EUR