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Round|Natural|GIA

2.51ct K VS1 Round Natural Diamond

EX • K/VS1 • GIA 6502421991

Certificate GIA 6502421991

Diamond specifications and retailer prices

From €13,259 EUR
As of November 6, 2026
Save €9,245 EUR (41%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €22,505 EUR at MOH London · As of November 4, 2026
View at MOH London

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 6502421991. Listed at 7 retailers as of November 4, 2026, with prices from €13,259 to €22,505, a €9,245 spread on the same certified stone. MOH London lists it at €22,505. 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 angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6502421991
Dimensions8.64 × 8.69 × 5.41 mm
L/W Ratio1.01
Top View
8.64 mm8.69 mm2.51 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6502421991
Side View
Table 58.0%Crown 35°Girdle: Slightly ThickPavilion 41.2°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €22,505 EUR|Low: €13,259 EUR|High: €22,837 EUR|Avg: €17,319 EUR|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 6€13,259 EUR
Retailer 3€14,767 EUR
Retailer 5€15,059 EUR
Retailer 4€17,472 EUR
Retailer 2€19,841 EUR
MOH London€22,505 EUR

42 data points across 6 retailers

7 retailers€13,259 EUR to €22,505 EUR

A
Cheapest Retailer
-
€13,259 EUR
A
Retailer 2
-
€14,767 EUR
View
B+
Retailer 3
-
€15,059 EUR
View
B+
Retailer 4
-
€17,472 EUR
View
B
Retailer 5
-
€19,841 EUR
View
B
Retailer 6
-
€20,469 EUR
View
Most Expensive
B
MOH London
13F37865C · Nov 4
€22,505 EUR
£19,889 GBP
View
6 more retailers have this diamond
Prices start from €13,259 EURSave up to €9,245 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
€13,259 EUR