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Round|Natural|GIA

2.50ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6565412056

Certificate GIA 6565412056

Diamond specifications and retailer prices

From €11,714 EUR
As of November 4, 2026
Save €6,170 EUR (35%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €17,885 EUR at MOH London · As of November 2, 2026
View at MOH London

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6565412056. Listed at 8 retailers as of November 2, 2026, with prices from €11,714 to €17,885, a €6,170 spread on the same certified stone. MOH London lists it at €17,885. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6565412056
Dimensions8.58 × 8.62 × 5.39 mm
L/W Ratio1.00
Girdle conditionSlightly Thick
Key to symbols
Feather, Twinning Wisp, Cloud, Crystal
Top View
8.58 mm8.62 mm2.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565412056
Side View
Table 57.0%Crown 36°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.7%

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 4
Current: €17,885 EUR|Low: €11,714 EUR|High: €18,652 EUR|Avg: €15,172 EUR|-4.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 8€11,714 EUR
Retailer 4€13,484 EUR
Retailer 6€13,516 EUR
Retailer 7€13,694 EUR
Retailer 2€15,708 EUR
Retailer 5€16,223 EUR
Retailer 3€16,355 EUR
MOH London€17,885 EUR

41 data points across 8 retailers

8 retailers€11,714 EUR to €17,885 EUR

A
Cheapest Retailer
-
€11,714 EUR
B+
Retailer 2
-
€13,484 EUR
View
B+
Retailer 3
-
€13,516 EUR
View
B+
Retailer 4
-
€13,694 EUR
View
B
Retailer 5
-
€15,708 EUR
View
B
Retailer 6
-
€16,223 EUR
View
B
Retailer 7
-
€16,355 EUR
View
Most Expensive
B
MOH London
B76C1D77D · Nov 2
€17,885 EUR
£15,806 GBP
View
7 more retailers have this diamond
Prices start from €11,714 EURSave up to €6,170 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
€11,714 EUR