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Round|Natural|GIA

2.50ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6545080169

Certificate GIA 6545080169

Diamond specifications and retailer prices

From £4,774 GBP
As of November 5, 2026
Save £1,469 GBP (24%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £6,243 GBP at GemTrove · As of November 6, 2026
View at GemTrove

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 top-tier cut grade and certified by GIA 6545080169. Listed at 5 retailers as of November 5, 2026, with prices from £4,774 to £6,243, a £1,469 spread on the same certified stone. GemTrove lists it at £6,243. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.50
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6545080169
Dimensions8.64 × 8.68 × 5.43 mm
L/W Ratio1.00
Top View
8.64 mm8.68 mm2.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6545080169
Side View
Table 54.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

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: £6,243 GBP|Low: £4,713 GBP|High: £7,121 GBP|Avg: £5,674 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 2£4,774 GBP
Retailer 3£4,962 GBP
Retailer 4£5,114 GBP
Retailer 5£5,324 GBP
GemTrove£6,243 GBP
Retailer 6£7,121 GBP

45 data points across 6 retailers

5 retailers£4,774 GBP to £6,243 GBP

A
Cheapest Retailer
-
£4,774 GBP
A
Retailer 2
-
£4,962 GBP
View
A
Retailer 3
-
£5,114 GBP
View
A
Retailer 4
-
£5,324 GBP
View
Final sale: no returns
Most Expensive
B+
GemTrove
GT-N-01368626-98 · Nov 6
£6,243 GBP
A$12,928 AUD
View
4 more retailers have this diamond
Prices start from £4,774 GBPSave up to £1,469 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
£4,774 GBP