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Round|Natural|GIA

2.50ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2554902783

Certificate GIA 2554902783

Diamond specifications and retailer prices

From £12,333 GBP
SGD 22,194 SGD
As of October 29, 2026
Save £11,282 GBP (48%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £23,614 GBP at With Clarity · As of October 29, 2026
View at With Clarity

About this 2.5ct natural round diamond

This 2.5ct natural round sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2554902783. Listed at 9 retailers as of October 29, 2026, with prices from £12,333 to £23,614, a £11,282 spread on the same certified stone. With Clarity lists it at £23,614. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2554902783
Dimensions8.54 × 5.46 × 5.46 mm
L/W Ratio1.56
Culet sizeNone
Top View
8.54 mm5.46 mm2.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
CertificateGIA 2554902783
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.6%

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: Oct 29
Current: £13,772 GBP|Low: £12,333 GBP|High: £25,211 GBP|Avg: £16,109 GBP|-7.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
With Clarity
October 30, 2026
Retailer 6£12,333 GBP
Retailer 3£13,176 GBP
Retailer 5£13,592 GBP
Retailer 1£13,772 GBP
Retailer 4£14,434 GBP
Retailer 8£16,268 GBP
Retailer 2£16,272 GBP
Retailer 7£17,253 GBP
With Clarity£23,614 GBP

44 data points across 9 retailers

9 retailers£12,333 GBP to £23,614 GBP

A
Cheapest Retailer
-
£12,333 GBP
SGD 22,194 SGD
A
Retailer 2
-
£13,176 GBP
SGD 23,711 SGD
View
A
Retailer 3
-
£13,592 GBP
$18,100 USD
View
A
Retailer 4
-
£13,772 GBP
View
A
Retailer 5
-
£14,434 GBP
$19,221 USD
View
A
Retailer 6
-
£16,268 GBP
$21,664 USD
View
A
Retailer 7
-
£16,272 GBP
€20,637 EUR
View
A
Retailer 8
-
£17,253 GBP
$22,976 USD
View
Most Expensive
B+
With Clarity
2554902783 · Oct 29
£23,614 GBP
$31,447 USD
View
8 more retailers have this diamond
Prices start from £12,333 GBPSave up to £11,282 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
£12,333 GBP