Round|Natural|GIA

1.00ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2239108432

Certificate GIA 2239108432

Diamond specifications and retailer prices

From €1,491 EUR
As of November 6, 2026
Save €2,383 EUR (62%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €3,875 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2239108432. Listed at 20 retailers as of November 5, 2026, with prices from €1,491 to €3,875, a €2,383 spread on the same certified stone. NZ Jewellers lists it at €3,875. 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2239108432
Dimensions6.39 × 6.33 × 4.02 mm
L/W Ratio1.01
Top View
6.39 mm6.33 mm1.00 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2239108432
Side View
Table 55.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.2%

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: €2,167 EUR|Low: €1,491 EUR|High: €3,286 EUR|Avg: €2,062 EUR|+0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 2€1,491 EUR
Retailer 10€1,530 EUR
Retailer 8€1,554 EUR
Retailer 3€1,724 EUR
Retailer 11€1,756 EUR
Retailer 9€1,935 EUR
Retailer 6€2,001 EUR
Retailer 1€2,167 EUR
Retailer 5€2,262 EUR
Retailer 4€2,348 EUR
Retailer 7€3,238 EUR

41 data points across 11 retailers

20 retailers€1,491 EUR to €3,875 EUR

A
Cheapest Retailer
-
€1,491 EUR
A
Retailer 2
-
€1,512 EUR
View
A
Retailer 3
-
€1,530 EUR
View
A
Retailer 4
-
€1,554 EUR
View
B+
Retailer 5
-
€1,577 EUR
View
B+
Retailer 6
-
€1,619 EUR
View
Retailer 7
-
€1,679 EUR
View
Price last confirmed 8 days ago
B+
Retailer 8
-
€1,679 EUR
View
B+
Retailer 9
-
€1,724 EUR
View
B+
Retailer 10
-
€1,756 EUR
View
B+
Retailer 11
-
€1,935 EUR
View
Retailer 12
-
€1,935 EUR
View
Price last confirmed 28 days ago
Retailer 13
-
€1,935 EUR
View
Price last confirmed 8 days ago
B+
Retailer 14
-
€1,937 EUR
View
B+
Retailer 15
-
€2,001 EUR
View
B
Retailer 16
-
€2,167 EUR
View
B+
Retailer 17
-
€2,262 EUR
View
B+
Retailer 18
-
€2,348 EUR
View
B
Retailer 19
-
€3,238 EUR
View
Most Expensive
B
NZ Jewellers
968c877d-6101-4c10-8795-2a9be30a4d4a · Nov 5
€3,875 EUR
$4,326 USD
View
19 more retailers have this diamond
Prices start from €1,491 EURSave up to €2,383 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
€1,491 EUR