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Round|Natural|GIA

0.55ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7561450005

Certificate GIA 7561450005

Diamond specifications and retailer prices

From £360 GBP
As of November 6, 2026
Save £720 GBP (67%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,080 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 0.55ct natural round diamond

This 0.55ct natural round sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7561450005. Listed at 14 retailers as of November 4, 2026, with prices from £360 to £1,080, a £720 spread on the same certified stone. MOH London lists it at £1,080. 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

0.55
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7561450005
Dimensions5.25 × 5.23 × 3.26 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal
Top View
5.25 mm5.23 mm0.55 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7561450005
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.3%

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: £1,080 GBP|Low: £360 GBP|High: £1,087 GBP|Avg: £597 GBP|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2£360 GBP
Retailer 9£431 GBP
Retailer 7£468 GBP
Retailer 4£491 GBP
Retailer 5£567 GBP
Retailer 3£602 GBP
Retailer 6£684 GBP
Retailer 8£722 GBP
MOH London£1,080 GBP

28 data points across 9 retailers

14 retailers£360 GBP to £1,080 GBP

A
Cheapest Retailer
-
£360 GBP
A
Retailer 2
-
£401 GBP
View
A
Retailer 3
-
£418 GBP
View
A
Retailer 4
-
£431 GBP
View
Final sale: no returns
A
Retailer 5
-
£468 GBP
View
A
Retailer 6
-
£491 GBP
View
B+
Retailer 7
-
£566 GBP
View
B+
Retailer 8
-
£567 GBP
View
B+
Retailer 9
-
£602 GBP
View
B+
Retailer 10
-
£609 GBP
View
B+
Retailer 11
-
£684 GBP
View
Retailer 12
-
£704 GBP
View
Price last confirmed 33 days ago
B+
Retailer 13
-
£722 GBP
View
Most Expensive
B
MOH London
E79EA0538 · Nov 4
£1,080 GBP
View
13 more retailers have this diamond
Prices start from £360 GBPSave up to £720 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
0.55ct Round
£360 GBP