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2.53ct F SI2 Round Natural Diamond

EX • F/SI2 • IGI 520215823

Shape and cutting style on the report: Round brilliant

Certificate IGI 520215823

Diamond specifications and retailer prices

From £11,190 GBP
$14,993 USD
As of October 31, 2026
Save £10,860 GBP (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £22,050 GBP at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 2.53ct natural round diamond

This 2.53ct natural round sits in the two to three carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 520215823. Listed at 14 retailers as of October 29, 2026, with prices from £11,190 to £22,050, a £10,860 spread on the same certified stone. Diamond Quarter lists it at £22,050. 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

2.53
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 520215823
Dimensions8.66 × 8.61 × 5.40 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.66 mm8.61 mm2.53 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 520215823
Side View
Table 58.5%Crown 36.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.6%

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 31
Current: £15,057 GBP|Low: £10,893 GBP|High: £20,463 GBP|Avg: £14,014 GBP|+6.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 3£11,190 GBP
Retailer 13£11,408 GBP
Retailer 14£11,902 GBP
Retailer 5£11,946 GBP
Retailer 4£12,153 GBP
Retailer 2£12,406 GBP
Retailer 8£12,947 GBP
Retailer 12£13,809 GBP
Retailer 11£14,026 GBP
Retailer 10£14,565 GBP
Retailer 1£15,057 GBP
Retailer 6£17,065 GBP
Retailer 9£18,341 GBP
Retailer 7£20,219 GBP

32 data points across 14 retailers

14 retailers£11,190 GBP to £22,050 GBP

A
Cheapest Retailer
-
£11,190 GBP
$14,993 USD
A
Retailer 2
-
£11,408 GBP
$15,285 USD
View
A
Retailer 3
-
£11,902 GBP
$15,948 USD
View
A
Retailer 4
-
£11,946 GBP
$16,006 USD
View
A
Retailer 5
-
£12,153 GBP
$16,284 USD
View
A
Retailer 6
-
£12,406 GBP
$16,623 USD
View
Final sale: no returns
A
Retailer 7
-
£12,947 GBP
$17,347 USD
View
A
Retailer 8
-
£13,809 GBP
$18,503 USD
View
A
Retailer 9
-
£14,026 GBP
$18,793 USD
View
A
Retailer 10
-
£14,565 GBP
$19,515 USD
View
A
Retailer 11
-
£15,057 GBP
€19,214 EUR
View
B+
Retailer 12
-
£18,341 GBP
$24,575 USD
View
B+
Retailer 13
-
£20,219 GBP
View
Most Expensive
B
Diamond Quarter
2.53SI2F52231C45N · Oct 29
£22,050 GBP
View
13 more retailers have this diamond
Prices start from £11,190 GBPSave up to £10,860 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
2.53ct Round
£11,190 GBP