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Round|Natural|GIA

2.55ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2534799398

Certificate GIA 2534799398

Diamond specifications and retailer prices

From €9,551 EUR
As of November 1, 2026
Save €7,121 EUR (43%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €16,672 EUR at MOH London · As of November 4, 2026
View at MOH London

About this 2.55ct natural round diamond

This 2.55ct 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 2534799398. Listed at 16 retailers as of November 1, 2026, with prices from €9,551 to €16,672, a €7,121 spread on the same certified stone. MOH London lists it at €16,672. 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

2.55
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2534799398
Dimensions8.98 × 8.94 × 5.27 mm
L/W Ratio1.00
Top View
8.98 mm8.94 mm2.55 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2534799398
Side View
Table 59.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 58.9%

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 1
Current: €16,672 EUR|Low: €9,551 EUR|High: €16,917 EUR|Avg: €12,747 EUR|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7€9,551 EUR
Retailer 2€9,806 EUR
Retailer 6€11,394 EUR
Retailer 3€12,129 EUR
Retailer 4€12,855 EUR
Retailer 5€14,697 EUR
MOH London€16,672 EUR

27 data points across 7 retailers

16 retailers€9,551 EUR to €16,672 EUR

A
Cheapest Retailer
-
€9,551 EUR
A
Retailer 2
-
€9,806 EUR
View
A
Retailer 3
-
€9,931 EUR
View
A
Retailer 4
-
€10,342 EUR
View
A
Retailer 5
-
€10,540 EUR
View
A
Retailer 6
-
€10,951 EUR
View
A
Retailer 7
-
€11,394 EUR
View
A
Retailer 8
-
€11,423 EUR
View
Retailer 9
-
€12,098 EUR
View
Price last confirmed 38 days ago
A
Retailer 10
-
€12,129 EUR
View
Retailer 11
-
€12,287 EUR
View
Price last confirmed 36 days ago
Retailer 12
-
€12,760 EUR
View
Price last confirmed 38 days ago
B+
Retailer 13
-
€12,855 EUR
View
B+
Retailer 14
-
€14,697 EUR
View
Retailer 15
-
€16,068 EUR
View
Price last confirmed 39 days ago
Most Expensive
B
MOH London
0B55DEA6F · Nov 4
€16,672 EUR
£14,734 GBP
View
15 more retailers have this diamond
Prices start from €9,551 EURSave up to €7,121 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
2.55ct Round
€9,551 EUR