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Round|Natural|GIA

2.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6555439015

Certificate GIA 6555439015

Diamond specifications and retailer prices

From €10,660 EUR
As of November 6, 2026
Save €6,051 EUR (36%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €16,712 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 6555439015. Listed at 11 retailers as of November 5, 2026, with prices from €10,660 to €16,712, a €6,051 spread on the same certified stone. NZ Jewellers lists it at €16,712. 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
OriginNatural
Grading LabGIA
CertificateGIA 6555439015
Dimensions8.65 × 8.71 × 5.36 mm
L/W Ratio1.01
Culet sizeNone
Top View
8.65 mm8.71 mm2.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555439015
Side View
Table 55.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 61.8%

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: €16,712 EUR|Low: €10,660 EUR|High: €16,712 EUR|Avg: €12,733 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 5€10,660 EUR
Retailer 9€11,068 EUR
Retailer 8€11,070 EUR
Retailer 2€11,474 EUR
Retailer 3€11,806 EUR
Retailer 11€11,990 EUR
Retailer 10€12,451 EUR
Retailer 6€12,537 EUR
Retailer 4€13,768 EUR
Retailer 7€15,617 EUR
NZ Jewellers€16,712 EUR

29 data points across 11 retailers

11 retailers€10,660 EUR to €16,712 EUR

A
Cheapest Retailer
-
€10,660 EUR
Retailer 2
-
€11,068 EUR
View
Price last confirmed 8 days ago
A
Retailer 3
-
€11,070 EUR
View
A
Retailer 4
-
€11,474 EUR
View
B+
Retailer 5
-
€11,806 EUR
View
B+
Retailer 6
-
€11,990 EUR
View
B+
Retailer 7
-
€12,451 EUR
View
B+
Retailer 8
-
€12,537 EUR
View
B+
Retailer 9
-
€13,768 EUR
View
B
Retailer 10
-
€15,617 EUR
View
Most Expensive
B
NZ Jewellers
cc57180c-0f92-4f30-aad4-34c218e72643 · Nov 5
€16,712 EUR
$18,757 USD
View
10 more retailers have this diamond
Prices start from €10,660 EURSave up to €6,051 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
€10,660 EUR