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Round|Natural|GIA

2.51ct K VS1 Round Natural Diamond

VG • K/VS1 • GIA 1555116981

Certificate GIA 1555116981

Diamond specifications and retailer prices

From £6,201 GBP
As of November 5, 2026
Save £5,697 GBP (48%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £11,898 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 very-good cut grade and certified by GIA 1555116981. Listed at 13 retailers as of November 5, 2026, with prices from £6,201 to £11,898, a £5,697 spread on the same certified stone. NZ Jewellers lists it at £11,898. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.51
Carat
K
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
Crown angle38°
Pavilion angle40°
OriginNatural
Grading LabGIA
CertificateGIA 1555116981
Dimensions8.46 × 8.39 × 5.43 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Feather, Needle, Pinpoint
Top View
8.46 mm8.39 mm2.51 ctK / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
CertificateGIA 1555116981
Side View
Table 57.0%Crown 38°Girdle: STK-THKPavilion 40°Culet: NoneDepth 64.5%

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: £7,685 GBP|Low: £6,201 GBP|High: £11,283 GBP|Avg: £8,345 GBP|-2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 3£6,201 GBP
Retailer 1£7,685 GBP
Retailer 5£8,151 GBP
Retailer 2£8,536 GBP
Retailer 6£8,668 GBP
Retailer 4£11,119 GBP

39 data points across 6 retailers

13 retailers£6,201 GBP to £11,898 GBP

A
Cheapest Retailer
-
£6,201 GBP
A
Retailer 2
-
£7,312 GBP
View
A
Retailer 3
-
£7,498 GBP
View
A
Retailer 4
-
£7,685 GBP
View
A
Retailer 5
-
£7,783 GBP
View
Retailer 6
-
£7,880 GBP
View
Price last confirmed 12 days ago
A
Retailer 7
-
£8,151 GBP
View
A
Retailer 8
-
£8,536 GBP
View
B+
Retailer 9
-
£8,537 GBP
View
B+
Retailer 10
-
£8,668 GBP
View
B+
Retailer 11
-
£9,850 GBP
View
B+
Retailer 12
-
£11,119 GBP
View
Most Expensive
B+
NZ Jewellers
a86f0f15-1934-438f-ac9b-80aa12c0771e · Nov 5
£11,898 GBP
$16,014 USD
View
12 more retailers have this diamond
Prices start from £6,201 GBPSave up to £5,697 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
£6,201 GBP