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Round|Natural|GIA

2.51ct K VS1 Round Natural Diamond

EX • K/VS1 • GIA 6541936606

Certificate GIA 6541936606

Diamond specifications and retailer prices

From £8,388 GBP
As of November 5, 2026
Save £6,533 GBP (44%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £14,921 GBP at MOH London · As of November 2, 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 6541936606. Listed at 12 retailers as of November 2, 2026, with prices from £8,388 to £14,921, a £6,533 spread on the same certified stone. MOH London lists it at £14,921. 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°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6541936606
Dimensions8.61 × 8.67 × 5.47 mm
L/W Ratio1.01
Top View
8.61 mm8.67 mm2.51 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541936606
Side View
Table 56.0%Crown 36°Girdle: MediumPavilion 41.2°Culet: NoneDepth 63.3%

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 5
Current: £14,921 GBP|Low: £8,388 GBP|High: £15,355 GBP|Avg: £11,318 GBP|-2.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 7£8,388 GBP
Retailer 11£9,632 GBP
Retailer 9£9,784 GBP
Retailer 5£10,024 GBP
Retailer 10£10,350 GBP
Retailer 2£10,706 GBP
Retailer 6£11,584 GBP
Retailer 3£11,710 GBP
Retailer 4£13,119 GBP
Retailer 8£13,534 GBP
MOH London£14,921 GBP

27 data points across 11 retailers

12 retailers£8,388 GBP to £14,921 GBP

A
Cheapest Retailer
-
£8,388 GBP
Retailer 2
-
£8,968 GBP
View
Price last confirmed 50 days ago
A
Retailer 3
-
£9,632 GBP
View
A
Retailer 4
-
£9,784 GBP
View
A
Retailer 5
-
£10,024 GBP
View
A
Retailer 6
-
£10,350 GBP
View
A
Retailer 7
-
£10,706 GBP
View
A
Retailer 8
-
£11,584 GBP
View
A
Retailer 9
-
£11,710 GBP
View
B+
Retailer 10
-
£13,119 GBP
View
B+
Retailer 11
-
£13,534 GBP
View
Most Expensive
B+
MOH London
671605899 · Nov 2
£14,921 GBP
View
11 more retailers have this diamond
Prices start from £8,388 GBPSave up to £6,533 GBP

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
£8,388 GBP