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1.04ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2454565443

Certificate GIA 2454565443

Diamond specifications and retailer prices

From €1,907 EUR
As of November 6, 2026
Save €3,044 EUR (61%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €4,951 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.04ct natural round diamond

This 1.04ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2454565443. Listed at 10 retailers as of November 5, 2026, with prices from €1,907 to €4,951, a €3,044 spread on the same certified stone. NZ Jewellers lists it at €4,951. 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

1.04
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2454565443
Dimensions6.48 × 6.45 × 4.04 mm
L/W Ratio1.00
Top View
6.48 mm6.45 mm1.04 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2454565443
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 62.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €4,951 EUR|Low: €1,651 EUR|High: €4,951 EUR|Avg: €2,997 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5€1,907 EUR
Retailer 6€1,980 EUR
Retailer 7€2,245 EUR
Retailer 2€2,515 EUR
Retailer 3€2,938 EUR
Retailer 4€4,138 EUR
NZ Jewellers€4,951 EUR

43 data points across 7 retailers

10 retailers€1,907 EUR to €4,951 EUR

B+
Cheapest Retailer
-
€1,907 EUR
B+
Retailer 2
-
€1,980 EUR
View
Final sale: no returns
B+
Retailer 3
-
€2,145 EUR
View
B
Retailer 4
-
€2,245 EUR
View
B
Retailer 5
-
€2,476 EUR
View
B+
Retailer 6
-
€2,515 EUR
View
B
Retailer 7
-
€2,938 EUR
View
B
Retailer 8
-
€3,442 EUR
View
B
Retailer 9
-
€4,138 EUR
View
Most Expensive
B
NZ Jewellers
957a97db-ebf9-4a1a-8701-582946eb55b2 · Nov 5
€4,951 EUR
$5,528 USD
View
9 more retailers have this diamond
Prices start from €1,907 EURSave up to €3,044 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.

B+
1.04ct Round
€1,907 EUR