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Emerald|Natural|GIA

2.50ct E SI1 Emerald Natural Diamond

EX • E/SI1

Diamond specifications and retailer prices

From £20,303 GBP
CA$37,551 CAD
As of October 27, 2026
Save £4,875 GBP (19%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £25,177 GBP at The Diamond Guys · As of October 29, 2026
View at The Diamond Guys

About this 2.5ct natural emerald diamond

This 2.5ct natural emerald sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 6 retailers as of October 27, 2026, with prices from £20,303 to £25,177, a £4,875 spread on the same certified stone. The Diamond Guys lists it at £25,177. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions9.22 × 6.31 × 4.34 mm
L/W Ratio1.46
Top View
9.22 mm6.31 mm2.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 67.0%CrownGirdle: ThinPavilionCulet: NoneDepth 68.8%

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 27
Current: £23,203 GBP|Low: £20,303 GBP|High: £25,177 GBP|Avg: £22,495 GBP|+1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
The Diamond Guys
October 30, 2026
Retailer 8£20,303 GBP
Retailer 5£20,973 GBP
Retailer 3£21,409 GBP
Retailer 4£21,848 GBP
Retailer 2£22,023 GBP
Retailer 7£22,722 GBP
Retailer 1£23,203 GBP
Retailer 9£23,440 GBP
Retailer 6£23,596 GBP
The Diamond Guys£25,177 GBP

33 data points across 10 retailers

6 retailers£20,303 GBP to £25,177 GBP

A
Cheapest Retailer
-
£20,303 GBP
CA$37,551 CAD
B+
Retailer 2
-
£21,409 GBP
$28,510 USD
View
Retailer 3
-
£22,722 GBP
$30,258 USD
View
Price last confirmed 48 days ago
B+
Retailer 4
-
£23,203 GBP
View
B+
Retailer 5
-
£23,440 GBP
$31,215 USD
View
Most Expensive
B
The Diamond Guys
1931236368 · Oct 29
£25,177 GBP
$33,528 USD
View
5 more retailers have this diamond
Prices start from £20,303 GBPSave up to £4,875 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 Emerald
£20,303 GBP