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1.01ct J SI2 Round Natural Diamond

EX • J/SI2 • IGI 623457656

Shape and cutting style on the report: Round brilliant

Certificate IGI 623457656

Diamond specifications and retailer prices

From €1,046 EUR
$1,169 USD
As of October 31, 2026
Save €1,720 EUR (62%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €2,767 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct 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 IGI 623457656. Listed at 15 retailers as of October 30, 2026, with prices from €1,046 to €2,767, a €1,720 spread on the same certified stone. NZ Jewellers lists it at €2,767. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.4°
Pavilion angle40.3°
OriginNatural
Grading LabIGI
CertificateIGI 623457656
Dimensions6.40 × 6.36 × 3.93 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.40 mm6.36 mm1.01 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 623457656
Side View
Table 59.0%Crown 36.4°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.6%

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: Oct 31
Current: €2,767 EUR|Low: €960 EUR|High: €2,767 EUR|Avg: €1,392 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 1, 2026
Retailer 13€1,046 EUR
Retailer 11€1,079 EUR
Retailer 2€1,092 EUR
Retailer 3€1,134 EUR
Retailer 5€1,134 EUR
Retailer 14€1,178 EUR
Retailer 15€1,205 EUR
Retailer 12€1,216 EUR
Retailer 6€1,255 EUR
Retailer 4€1,309 EUR
Retailer 10€1,347 EUR
Retailer 7€1,350 EUR
Retailer 9€1,502 EUR
Retailer 8€2,078 EUR
NZ Jewellers€2,767 EUR

43 data points across 15 retailers

15 retailers€1,046 EUR to €2,767 EUR

A
Cheapest Retailer
-
€1,046 EUR
$1,169 USD
Final sale: no returns
A
Retailer 2
-
€1,079 EUR
$1,205 USD
View
A
Retailer 3
-
€1,087 EUR
$1,214 USD
View
A
Retailer 4
-
€1,092 EUR
£960 GBP
View
A
Retailer 5
-
€1,134 EUR
$1,267 USD
View
A
Retailer 6
-
€1,134 EUR
$1,267 USD
View
A
Retailer 7
-
€1,178 EUR
$1,316 USD
View
A
Retailer 8
-
€1,205 EUR
$1,347 USD
View
A
Retailer 9
-
€1,216 EUR
$1,358 USD
View
A
Retailer 10
-
€1,255 EUR
$1,402 USD
View
B+
Retailer 11
-
€1,309 EUR
$1,462 USD
View
B+
Retailer 12
-
€1,347 EUR
£1,185 GBP
View
B+
Retailer 13
-
€1,502 EUR
View
B
Retailer 14
-
€2,078 EUR
£1,828 GBP
View
Most Expensive
B
NZ Jewellers
1f95bea9-c9c5-410d-9912-8116841d46d3 · Oct 30
€2,767 EUR
$3,091 USD
View
14 more retailers have this diamond
Prices start from €1,046 EURSave up to €1,720 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 Round
€1,046 EUR