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Round|Natural|GIA

2.57ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6555358168

Certificate GIA 6555358168

Diamond specifications and retailer prices

From €11,513 EUR
As of November 6, 2026
Save €3,602 EUR (24%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €15,115 EUR at Yorxs · As of November 5, 2026
View at Yorxs

About this 2.57ct natural round diamond

This 2.57ct 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 6555358168. Listed at 3 retailers as of November 5, 2026, with prices from €11,513 to €15,115, a €3,602 spread on the same certified stone. Yorxs lists it at €15,115. 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

2.57
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555358168
Dimensions8.70 × 8.74 × 5.40 mm
L/W Ratio1.00
Top View
8.70 mm8.74 mm2.57 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555358168
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 62.0%

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: €11,513 EUR|Low: €11,513 EUR|High: €15,532 EUR|Avg: €13,872 EUR|-4.2%
Retailer 1
Retailer 2
Yorxs
November 6, 2026
Retailer 1€11,513 EUR
Retailer 2€14,248 EUR
Yorxs€15,115 EUR

44 data points across 3 retailers

3 retailers€11,513 EUR to €15,115 EUR

A
Cheapest Retailer
-
€11,513 EUR
B+
Retailer 2
-
€14,248 EUR
View
Most Expensive
B
Yorxs
D4919901 · Nov 5
€15,115 EUR
View
2 more retailers have this diamond
Prices start from €11,513 EURSave up to €3,602 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
2.57ct Round
€11,513 EUR