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Round|Natural|GIA

1.00ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2486841401

Certificate GIA 2486841401

Diamond specifications and retailer prices

From €1,220 EUR
As of November 6, 2026
Save €2,766 EUR (69%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €3,986 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2486841401. Listed at 19 retailers as of November 5, 2026, with prices from €1,220 to €3,986, a €2,766 spread on the same certified stone. NZ Jewellers lists it at €3,986. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle33.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2486841401
Dimensions6.41 × 6.38 × 3.98 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
6.41 mm6.38 mm1.00 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2486841401
Side View
Table 55.0%Crown 33.5°Girdle: ThickPavilion 41.2°Culet: NoneDepth 62.3%

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: €1,542 EUR|Low: €1,208 EUR|High: €2,897 EUR|Avg: €1,777 EUR|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 12€1,220 EUR
Retailer 3€1,308 EUR
Retailer 2€1,508 EUR
Retailer 11€1,515 EUR
Retailer 1€1,542 EUR
Retailer 5€1,697 EUR
Retailer 4€1,710 EUR
Retailer 8€1,785 EUR
Retailer 7€1,803 EUR
Retailer 9€1,895 EUR
Retailer 6€2,090 EUR
Retailer 10€2,855 EUR

40 data points across 12 retailers

19 retailers€1,220 EUR to €3,986 EUR

A
Cheapest Retailer
-
€1,220 EUR
A
Retailer 2
-
€1,308 EUR
View
A
Retailer 3
-
€1,489 EUR
View
A
Retailer 4
-
€1,508 EUR
View
Final sale: no returns
A
Retailer 5
-
€1,515 EUR
View
A
Retailer 6
-
€1,542 EUR
View
Retailer 7
-
€1,634 EUR
View
Price last confirmed 8 days ago
A
Retailer 8
-
€1,634 EUR
View
A
Retailer 9
-
€1,636 EUR
View
A
Retailer 10
-
€1,697 EUR
View
A
Retailer 11
-
€1,710 EUR
View
A
Retailer 12
-
€1,727 EUR
View
A
Retailer 13
-
€1,785 EUR
View
A
Retailer 14
-
€1,803 EUR
View
A
Retailer 15
-
€1,886 EUR
View
A
Retailer 16
-
€1,895 EUR
View
B+
Retailer 17
-
€2,090 EUR
View
B
Retailer 18
-
€2,855 EUR
View
Most Expensive
B
NZ Jewellers
d8db8af8-f61f-4148-a18a-e8705c5fc50d · Nov 5
€3,986 EUR
$4,474 USD
View
18 more retailers have this diamond
Prices start from €1,220 EURSave up to €2,766 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
€1,220 EUR