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Round|Natural|GIA

5.53ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2225867942

Certificate GIA 2225867942

Diamond specifications and retailer prices

From £42,356 GBP
As of November 6, 2026
Save £31,040 GBP (42%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £73,396 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 5.53ct natural round diamond

This 5.53ct natural round sits in the over five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2225867942. Listed at 16 retailers as of November 4, 2026, with prices from £42,356 to £73,396, a £31,040 spread on the same certified stone. MOH London lists it at £73,396. 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

5.53
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2225867942
Dimensions11.33 × 11.25 × 7.01 mm
L/W Ratio1.01
Key to symbols
Cloud, Feather, Crystal, Needle
Top View
11.33 mm11.25 mm5.53 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2225867942
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.1%

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: Nov 6
Current: £73,396 GBP|Low: £42,356 GBP|High: £74,480 GBP|Avg: £52,355 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 10£42,356 GBP
Retailer 5£46,381 GBP
Retailer 3£46,703 GBP
Retailer 8£47,122 GBP
Retailer 2£47,601 GBP
Retailer 7£49,085 GBP
Retailer 9£49,085 GBP
Retailer 6£51,049 GBP
Retailer 11£53,012 GBP
Retailer 4£56,620 GBP
MOH London£73,396 GBP

35 data points across 11 retailers

16 retailers£42,356 GBP to £73,396 GBP

Retailer 1
-
£41,613 GBP
Price last confirmed 9 days ago
A
Retailer 2
-
£42,356 GBP
View
A
Retailer 3
-
£42,704 GBP
View
Retailer 4
-
£42,846 GBP
View
Price last confirmed 58 days ago
A
Retailer 5
-
£45,590 GBP
View
A
Retailer 6
-
£46,381 GBP
View
B+
Retailer 7
-
£46,703 GBP
View
Retailer 8
-
£47,122 GBP
View
Price last confirmed 8 days ago
A
Retailer 9
-
£47,601 GBP
View
B+
Retailer 10
-
£49,085 GBP
View
B+
Retailer 11
-
£49,085 GBP
View
B+
Retailer 12
-
£50,410 GBP
View
B+
Retailer 13
-
£51,049 GBP
View
B+
Retailer 14
-
£53,012 GBP
View
B+
Retailer 15
-
£56,620 GBP
View
Most Expensive
B
MOH London
AE05FB083 · Nov 4
£73,396 GBP
View
15 more retailers have this diamond
Prices start from £42,356 GBPSave up to £31,040 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
5.53ct Round
£42,356 GBP