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Round|Natural|GIA

2.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6561216159

Certificate GIA 6561216159

Diamond specifications and retailer prices

From €7,651 EUR
As of November 4, 2026
Save €6,973 EUR (48%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €14,624 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 2.5ct natural round diamond

This 2.5ct natural round sits in the two to three carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561216159. Listed at 17 retailers as of November 4, 2026, with prices from €7,651 to €14,624, a €6,973 spread on the same certified stone. NZ Jewellers lists it at €14,624. 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

2.50
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6561216159
Dimensions8.61 × 8.66 × 5.41 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Knot, Crystal, Needle
Top View
8.61 mm8.66 mm2.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561216159
Side View
Table 58.0%Crown 35°Girdle: Slightly ThickPavilion 41.4°Culet: NoneDepth 62.6%

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: Nov 4
Current: €10,041 EUR|Low: €7,640 EUR|High: €13,869 EUR|Avg: €10,525 EUR|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 6€7,651 EUR
Retailer 4€9,448 EUR
Retailer 7€10,001 EUR
Retailer 1€10,041 EUR
Retailer 3€10,498 EUR
Retailer 2€12,048 EUR
Retailer 5€13,667 EUR

29 data points across 7 retailers

17 retailers€7,651 EUR to €14,624 EUR

A
Cheapest Retailer
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€7,651 EUR
A
Retailer 2
-
€8,986 EUR
View
A
Retailer 3
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€9,213 EUR
View
A
Retailer 4
-
€9,448 EUR
View
A
Retailer 5
-
€9,560 EUR
View
Retailer 6
-
€9,686 EUR
View
Price last confirmed 12 days ago
A
Retailer 7
-
€9,805 EUR
View
A
Retailer 8
-
€10,001 EUR
View
A
Retailer 9
-
€10,041 EUR
View
A
Retailer 10
-
€10,493 EUR
View
A
Retailer 11
-
€10,498 EUR
View
A
Retailer 12
-
€10,654 EUR
View
A
Retailer 13
-
€10,740 EUR
View
B+
Retailer 14
-
€12,048 EUR
View
B+
Retailer 15
-
€12,107 EUR
View
B+
Retailer 16
-
€13,667 EUR
View
Most Expensive
B
NZ Jewellers
d27d4636-6f5d-43e4-a4e7-2bc26c05caff · Nov 5
€14,624 EUR
$16,414 USD
View
16 more retailers have this diamond
Prices start from €7,651 EURSave up to €6,973 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
2.50ct Round
€7,651 EUR