Round|Natural|GIA

1.00ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 7428069875

Certificate GIA 7428069875

Diamond specifications and retailer prices

From €1,532 EUR
As of November 6, 2026
Save €2,463 EUR (62%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €3,995 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7428069875. Listed at 18 retailers as of November 5, 2026, with prices from €1,532 to €3,995, a €2,463 spread on the same certified stone. NZ Jewellers lists it at €3,995. 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
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 7428069875
Dimensions6.41 × 6.44 × 3.94 mm
L/W Ratio1.00
Top View
6.41 mm6.44 mm1.00 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7428069875
Side View
Table 62.0%Crown 34°Girdle: Slightly ThickPavilion 41.6°Culet: NoneDepth 61.3%

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: €2,228 EUR|Low: €1,372 EUR|High: €3,388 EUR|Avg: €2,063 EUR|+0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 8€1,532 EUR
Retailer 9€1,564 EUR
Retailer 6€1,597 EUR
Retailer 7€1,811 EUR
Retailer 4€1,996 EUR
Retailer 3€2,063 EUR
Retailer 1€2,228 EUR
Retailer 2€2,423 EUR
Retailer 5€3,347 EUR

42 data points across 9 retailers

18 retailers€1,532 EUR to €3,995 EUR

A
Cheapest Retailer
-
€1,532 EUR
B+
Retailer 2
-
€1,559 EUR
View
B+
Retailer 3
-
€1,564 EUR
View
B+
Retailer 4
-
€1,597 EUR
View
Final sale: no returns
B+
Retailer 5
-
€1,628 EUR
View
B+
Retailer 6
-
€1,670 EUR
View
B+
Retailer 7
-
€1,731 EUR
View
Retailer 8
-
€1,731 EUR
View
Price last confirmed 8 days ago
B+
Retailer 9
-
€1,811 EUR
View
B
Retailer 10
-
€1,996 EUR
View
B
Retailer 11
-
€1,998 EUR
View
B+
Retailer 12
-
€2,063 EUR
View
B
Retailer 13
-
€2,200 EUR
View
B+
Retailer 14
-
€2,228 EUR
View
B
Retailer 15
-
€2,423 EUR
View
B
Retailer 16
-
€2,744 EUR
View
B
Retailer 17
-
€3,347 EUR
View
Most Expensive
B
NZ Jewellers
c5deb422-8764-4927-9c8c-61607f5a480d · Nov 5
€3,995 EUR
$4,484 USD
View
17 more retailers have this diamond
Prices start from €1,532 EURSave up to €2,463 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 Round
€1,532 EUR