CaratHunter
Plans
Round|Natural|GIA

2.50ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 2554643904

Certificate GIA 2554643904

Diamond specifications and retailer prices

From £7,353 GBP
$9,896 USD
As of November 6, 2026
3 retailers carry this diamond
Most expensive: £7,353 GBP at The Diamond Guys
View at The Diamond Guys

About this 2.5ct natural round diamond

This 2.5ct natural round sits in the two to three carat band, graded M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2554643904. Listed at 3 retailers as of November 6, 2026. 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
M
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2554643904
Dimensions8.63 × 8.68 × 5.43 mm
L/W Ratio1.01
Culet sizeNone
Top View
8.63 mm8.68 mm2.50 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2554643904
Side View
Table 57.0%Crown 35°Girdle: THN-STKPavilion 41.6°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £8,153 GBP|Low: £4,745 GBP|High: £8,637 GBP|Avg: £7,183 GBP|-2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
The Diamond Guys
October 11, 2026
Retailer 8£4,745 GBP
Retailer 3£6,170 GBP
Retailer 5£7,115 GBP
Retailer 6£7,181 GBP
Retailer 2£7,308 GBP
Retailer 4£7,322 GBP
The Diamond Guys£7,353 GBP
Retailer 1£8,153 GBP
Retailer 7£8,637 GBP

18 data points across 9 retailers

3 retailers

Retailer 1
-
£6,170 GBP
Price last confirmed 25 days ago
Retailer 2
-
£7,322 GBP
View
Price last confirmed 28 days ago
Most Expensive
B
The Diamond Guys
1964688627 · Nov 6
£7,353 GBP
$9,896 USD
View
2 more retailers have this diamond

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.

B
2.50ct Round
£7,353 GBP