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Round|Natural|GIA

5.55ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 7531937422

Certificate GIA 7531937422

Diamond specifications and retailer prices

From £43,440 GBP
As of November 6, 2026
Save £32,573 GBP (43%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £76,013 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 5.55ct natural round diamond

This 5.55ct 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 7531937422. Listed at 16 retailers as of November 4, 2026, with prices from £43,440 to £76,013, a £32,573 spread on the same certified stone. MOH London lists it at £76,013. 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

5.55
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7531937422
Dimensions11.29 × 11.22 × 7.05 mm
L/W Ratio1.01
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
11.29 mm11.22 mm5.55 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7531937422
Side View
Table 56.0%CrownGirdlePavilionCulet: 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: Nov 6
Current: £76,013 GBP|Low: £43,440 GBP|High: £81,114 GBP|Avg: £56,065 GBP|-6.3%
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 3£43,440 GBP
Retailer 9£44,226 GBP
Retailer 7£47,210 GBP
Retailer 5£47,752 GBP
Retailer 10£48,802 GBP
Retailer 8£49,209 GBP
Retailer 2£49,299 GBP
Retailer 11£52,208 GBP
Retailer 4£58,640 GBP
Retailer 6£58,753 GBP
MOH London£76,013 GBP

38 data points across 11 retailers

16 retailers£43,440 GBP to £76,013 GBP

A
Cheapest Retailer
-
£43,440 GBP
A
Retailer 2
-
£44,226 GBP
View
A
Retailer 3
-
£47,210 GBP
View
A
Retailer 4
-
£47,752 GBP
View
Retailer 5
-
£48,802 GBP
View
Price last confirmed 8 days ago
Retailer 6
-
£49,209 GBP
View
Price last confirmed 9 days ago
B+
Retailer 7
-
£49,299 GBP
View
Retailer 8
-
£51,319 GBP
View
Price last confirmed 29 days ago
B+
Retailer 9
-
£52,208 GBP
View
Retailer 10
-
£53,457 GBP
View
Price last confirmed 40 days ago
Retailer 11
-
£53,457 GBP
View
Price last confirmed 38 days ago
Retailer 12
-
£55,596 GBP
View
Price last confirmed 29 days ago
Retailer 13
-
£57,734 GBP
View
Price last confirmed 38 days ago
B+
Retailer 14
-
£58,640 GBP
View
B+
Retailer 15
-
£58,753 GBP
View
Most Expensive
B
MOH London
627661A39 · Nov 4
£76,013 GBP
View
15 more retailers have this diamond
Prices start from £43,440 GBPSave up to £32,573 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
5.55ct Round
£43,440 GBP