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Round|Natural|GIA

2.50ct K SI2 Round Natural Diamond

VG • K/SI2 • GIA 2554594678

Certificate GIA 2554594678

Diamond specifications and retailer prices

From £7,723 GBP
As of November 4, 2026
Save £6,384 GBP (45%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £14,107 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 2.5ct natural round diamond

This 2.5ct natural round sits in the two to three carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 2554594678. Listed at 13 retailers as of November 4, 2026, with prices from £7,723 to £14,107, a £6,384 spread on the same certified stone. NZ Jewellers lists it at £14,107. 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

2.50
Carat
K
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 2554594678
Dimensions8.52 × 8.58 × 5.32 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Cloud, Crystal, Cavity, Needle
Top View
8.52 mm8.58 mm2.50 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2554594678
Side View
Table 60.0%Crown 36.5°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 62.2%

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 4
Current: £14,107 GBP|Low: £7,707 GBP|High: £14,107 GBP|Avg: £10,046 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 7£7,723 GBP
Retailer 10£7,799 GBP
Retailer 4£7,853 GBP
Retailer 12£8,464 GBP
Retailer 2£9,000 GBP
Retailer 11£9,170 GBP
Retailer 9£9,311 GBP
Retailer 3£10,581 GBP
Retailer 5£10,582 GBP
Retailer 8£12,236 GBP
Retailer 6£13,184 GBP
NZ Jewellers£14,107 GBP

44 data points across 12 retailers

13 retailers£7,723 GBP to £14,107 GBP

A
Cheapest Retailer
-
£7,723 GBP
A
Retailer 2
-
£7,799 GBP
View
A
Retailer 3
-
£7,853 GBP
View
Retailer 4
-
£8,464 GBP
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£8,613 GBP
View
A
Retailer 6
-
£9,000 GBP
View
B+
Retailer 7
-
£9,032 GBP
View
B+
Retailer 8
-
£9,170 GBP
View
B+
Retailer 9
-
£9,311 GBP
View
B+
Retailer 10
-
£10,581 GBP
View
B+
Retailer 11
-
£10,582 GBP
View
B
Retailer 12
-
£13,184 GBP
View
Most Expensive
B
NZ Jewellers
aee4b6a7-3fae-4ab6-8f15-f568a73d405e · Nov 5
£14,107 GBP
$18,987 USD
View
12 more retailers have this diamond
Prices start from £7,723 GBPSave up to £6,384 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
2.50ct Round
£7,723 GBP