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Round|Natural|GIA

2.50ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2537885049

Certificate GIA 2537885049

Diamond specifications and retailer prices

From £12,969 GBP
$17,270 USD
As of October 25, 2026
Save £10,214 GBP (44%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £23,182 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 2.5ct natural round diamond

This 2.5ct natural round sits in the two to three carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2537885049. Listed at 15 retailers as of October 25, 2026, with prices from £12,969 to £23,182, a £10,214 spread on the same certified stone. MOH London lists it at £23,182. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2537885049
Dimensions8.63 × 8.59 × 5.38 mm
L/W Ratio1.00
Top View
8.63 mm8.59 mm2.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2537885049
Side View
Table 59.0%Crown 36°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.5%

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 25
Current: £23,182 GBP|Low: £12,969 GBP|High: £23,337 GBP|Avg: £16,682 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 12£12,969 GBP
Retailer 5£13,407 GBP
Retailer 11£15,093 GBP
Retailer 3£15,503 GBP
Retailer 4£15,624 GBP
Retailer 2£15,935 GBP
Retailer 8£15,935 GBP
Retailer 10£16,468 GBP
Retailer 7£17,915 GBP
Retailer 9£17,991 GBP
Retailer 6£20,660 GBP
MOH London£23,182 GBP

40 data points across 12 retailers

15 retailers£12,969 GBP to £23,182 GBP

A
Cheapest Retailer
-
£12,969 GBP
$17,270 USD
A
Retailer 2
-
£13,407 GBP
$17,854 USD
View
B+
Retailer 3
-
£14,765 GBP
$19,662 USD
View
B+
Retailer 4
-
£15,093 GBP
View
B+
Retailer 5
-
£15,503 GBP
$20,645 USD
View
B+
Retailer 6
-
£15,624 GBP
$20,806 USD
View
B+
Retailer 7
-
£15,935 GBP
$21,220 USD
View
B+
Retailer 8
-
£15,935 GBP
$21,220 USD
View
B+
Retailer 9
-
£15,995 GBP
$21,300 USD
View
B+
Retailer 10
-
£16,468 GBP
$21,930 USD
View
B+
Retailer 11
-
£16,610 GBP
$22,119 USD
View
B+
Retailer 12
-
£17,915 GBP
€22,721 EUR
View
B+
Retailer 13
-
£17,991 GBP
View
B
Retailer 14
-
£20,660 GBP
$27,513 USD
View
Most Expensive
B
MOH London
8DAA37E63 · Oct 29
£23,182 GBP
View
14 more retailers have this diamond
Prices start from £12,969 GBPSave up to £10,214 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
£12,969 GBP