CaratHunter
Plans
Round|Natural|IGI

1.00ct J IF Round Natural Diamond

EX • J/IF • IGI 811689190

Shape and cutting style on the report: Round brilliant

Certificate IGI 811689190

Diamond specifications and retailer prices

From €1,543 EUR
As of November 6, 2026
Save €2,749 EUR (64%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €4,292 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 811689190. Listed at 16 retailers as of November 5, 2026, with prices from €1,543 to €4,292, a €2,749 spread on the same certified stone. NZ Jewellers lists it at €4,292. 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
SymmetryVery Good
FluorescenceNone
Crown angle35.2°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 811689190
Dimensions6.28 × 6.37 × 4.01 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.28 mm6.37 mm1.00 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 811689190
Side View
Table 59.0%Crown 35.2°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.4%

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: €4,292 EUR|Low: €1,543 EUR|High: €4,292 EUR|Avg: €2,312 EUR
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
Retailer 15
November 6, 2026
Retailer 2€1,543 EUR
Retailer 11€1,760 EUR
Retailer 14€1,813 EUR
Retailer 9€1,872 EUR
Retailer 4€1,894 EUR
Retailer 3€2,047 EUR
Retailer 6€2,053 EUR
Retailer 5€2,147 EUR
Retailer 12€2,278 EUR
Retailer 10€2,353 EUR
Retailer 15€2,368 EUR
Retailer 8€2,414 EUR
Retailer 7€2,979 EUR
Retailer 13€3,586 EUR
NZ Jewellers€4,292 EUR

29 data points across 15 retailers

16 retailers€1,543 EUR to €4,292 EUR

A
Cheapest Retailer
-
€1,543 EUR
A
Retailer 2
-
€1,760 EUR
View
A
Retailer 3
-
€1,813 EUR
View
A
Retailer 4
-
€1,872 EUR
View
A
Retailer 5
-
€1,894 EUR
View
Final sale: no returns
A
Retailer 6
-
€2,047 EUR
View
A
Retailer 7
-
€2,053 EUR
View
A
Retailer 8
-
€2,078 EUR
View
A
Retailer 9
-
€2,147 EUR
View
A
Retailer 10
-
€2,278 EUR
View
A
Retailer 11
-
€2,353 EUR
View
B+
Retailer 12
-
€2,368 EUR
View
A
Retailer 13
-
€2,414 EUR
View
B+
Retailer 14
-
€2,979 EUR
View
B
Retailer 15
-
€3,586 EUR
View
Most Expensive
B
NZ Jewellers
ae31ed70-5468-4f17-8e74-24f0cd9eaf8c · Nov 5
€4,292 EUR
$4,817 USD
View
15 more retailers have this diamond
Prices start from €1,543 EURSave up to €2,749 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
€1,543 EUR