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Round|Natural|GIA

2.51ct K VS1 Round Natural Diamond

EX • K/VS1 • GIA 6551658112

Certificate GIA 6551658112

Diamond specifications and retailer prices

From €10,261 EUR
As of November 3, 2026
Save €8,133 EUR (44%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €18,395 EUR at With Clarity · As of November 5, 2026
View at With Clarity

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 6551658112. Listed at 11 retailers as of November 3, 2026, with prices from €10,261 to €18,395, a €8,133 spread on the same certified stone. With Clarity lists it at €18,395. At this carat range, natural pricing varies dramatically across retailers, so the cross-retailer spread on this exact stone is your single best indicator of fair price.

The 4Cs

2.51
Carat
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6551658112
Dimensions8.60 × 5.41 × 5.41 mm
L/W Ratio1.59
Culet sizeNone
Top View
8.60 mm5.41 mm2.51 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551658112
Side View
Table 58.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.8%

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 3
Current: €11,172 EUR|Low: €10,261 EUR|High: €19,347 EUR|Avg: €12,793 EUR|-3.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
With Clarity
November 5, 2026
Retailer 6€10,261 EUR
Retailer 8€10,595 EUR
Retailer 2€10,915 EUR
Retailer 1€11,172 EUR
Retailer 7€11,346 EUR
Retailer 5€12,277 EUR
Retailer 9€12,717 EUR
Retailer 4€13,069 EUR
Retailer 3€13,330 EUR
With Clarity€18,395 EUR

43 data points across 10 retailers

11 retailers€10,261 EUR to €18,395 EUR

A
Cheapest Retailer
-
€10,261 EUR
A
Retailer 2
-
€10,595 EUR
View
A
Retailer 3
-
€10,915 EUR
View
A
Retailer 4
-
€11,172 EUR
View
A
Retailer 5
-
€11,346 EUR
View
Retailer 6
-
€12,277 EUR
View
Price last confirmed 9 days ago
A
Retailer 7
-
€12,717 EUR
View
A
Retailer 8
-
€13,069 EUR
View
A
Retailer 9
-
€13,330 EUR
View
B+
Retailer 10
-
€14,595 EUR
View
Most Expensive
B
With Clarity
6551658112 · Nov 5
€18,395 EUR
$20,646 USD
View
10 more retailers have this diamond
Prices start from €10,261 EURSave up to €8,133 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
2.51ct Round
€10,261 EUR