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Round|Natural|IGI

1.00ct J IF Round Natural Diamond

EX • J/IF • IGI 680566575

Shape and cutting style on the report: Round brilliant

Certificate IGI 680566575

Diamond specifications and retailer prices

From €1,703 EUR
As of November 6, 2026
Save €1,636 EUR (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €4,220 EUR at NZ Jewellers · As of September 28, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 680566575. Listed at 14 retailers as of November 4, 2026, with a 96% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 680566575
Dimensions6.41 × 6.38 × 3.99 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.41 mm6.38 mm1.00 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 680566575
Side View
Table 56.0%Crown 35.8°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.3%

Caratlytics Score

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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: €1,703 EUR|Low: €1,701 EUR|High: €3,388 EUR|Avg: €2,136 EUR|-7.0%
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€1,703 EUR
Retailer 2€1,726 EUR
Retailer 8€1,777 EUR
Retailer 9€1,873 EUR
Retailer 10€1,929 EUR
Retailer 6€2,100 EUR
Retailer 3€2,194 EUR
Retailer 5€2,333 EUR
Retailer 4€2,421 EUR
Retailer 7€3,338 EUR

34 data points across 10 retailers

14 retailers€1,703 EUR to €3,338 EUR

A
Cheapest Retailer
-
€1,703 EUR
A
Retailer 2
-
€1,726 EUR
View
A
Retailer 3
-
€1,777 EUR
View
A
Retailer 4
-
€1,873 EUR
View
Retailer 5
-
€1,911 EUR
View
Price last confirmed 30 days ago
A
Retailer 6
-
€1,929 EUR
View
A
Retailer 7
-
€2,100 EUR
View
Retailer 8
-
€2,112 EUR
View
Price last confirmed 38 days ago
A
Retailer 9
-
€2,194 EUR
View
Retailer 10
-
€2,205 EUR
View
Price last confirmed 30 days ago
A
Retailer 11
-
€2,333 EUR
View
A
Retailer 12
-
€2,421 EUR
View
B
Retailer 13
-
€3,338 EUR
View
Most Expensive
NZ Jewellers
cc7705a2-a196-408d-8802-f0c4b19ed7da · Sep 28
€4,220 EUR
$4,737 USD
View
Price last confirmed 39 days ago
13 more retailers have this diamond
Prices start from €1,703 EURSave up to €1,636 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
€1,703 EUR