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Round|Natural|GIA

2.51ct K VS1 Round Natural Diamond

EX • K/VS1 • GIA 3555540510

Certificate GIA 3555540510

Diamond specifications and retailer prices

From £10,585 GBP
As of November 5, 2026
Save £7,431 GBP (41%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £18,015 GBP 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 3555540510. Listed at 21 retailers as of November 4, 2026, with prices from £10,585 to £18,015, a £7,431 spread on the same certified stone. MOH London lists it at £18,015. 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 3555540510
Dimensions8.60 × 8.63 × 5.45 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Twinning Wisp, Indented Natural
Top View
8.60 mm8.63 mm2.51 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555540510
Side View
Table 56.0%Crown 36.5°Girdle: STK-STKPavilion 41°Culet: NoneDepth 63.2%

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 5
Current: £18,015 GBP|Low: £9,334 GBP|High: £18,360 GBP|Avg: £12,597 GBP|-1.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 6£10,585 GBP
Retailer 3£10,634 GBP
Retailer 7£10,844 GBP
Retailer 13£10,874 GBP
Retailer 14£11,044 GBP
Retailer 12£11,256 GBP
Retailer 15£11,691 GBP
Retailer 11£11,894 GBP
Retailer 9£12,266 GBP
Retailer 5£12,327 GBP
Retailer 2£12,872 GBP
Retailer 8£13,190 GBP
Retailer 16£13,756 GBP
Retailer 4£13,866 GBP
Retailer 10£15,771 GBP
MOH London£18,015 GBP

22 data points across 16 retailers

21 retailers£10,585 GBP to £18,015 GBP

A
Cheapest Retailer
-
£10,585 GBP
A
Retailer 2
-
£10,634 GBP
View
A
Retailer 3
-
£10,844 GBP
View
A
Retailer 4
-
£10,874 GBP
View
A
Retailer 5
-
£11,044 GBP
View
A
Retailer 6
-
£11,256 GBP
View
Retailer 7
-
£11,646 GBP
View
Price last confirmed 29 days ago
A
Retailer 8
-
£11,691 GBP
View
A
Retailer 9
-
£11,894 GBP
View
A
Retailer 10
-
£12,266 GBP
View
A
Retailer 11
-
£12,327 GBP
View
Retailer 12
-
£12,509 GBP
View
Price last confirmed 38 days ago
Retailer 13
-
£12,617 GBP
View
Price last confirmed 30 days ago
B+
Retailer 14
-
£12,872 GBP
View
Retailer 15
-
£13,103 GBP
View
Price last confirmed 30 days ago
Retailer 16
-
£13,190 GBP
View
Price last confirmed 14 days ago
B+
Retailer 17
-
£13,756 GBP
View
B+
Retailer 18
-
£13,866 GBP
View
B
Retailer 19
-
£15,771 GBP
View
Retailer 20
-
£16,613 GBP
View
Price last confirmed 41 days ago
Most Expensive
B
MOH London
D9BAEB9C3 · Nov 4
£18,015 GBP
View
20 more retailers have this diamond
Prices start from £10,585 GBPSave up to £7,431 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
£10,585 GBP