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0.55ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6561703817

Certificate GIA 6561703817

Diamond specifications and retailer prices

From £344 GBP
As of November 6, 2026
Save £999 GBP (74%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,344 GBP at Diamond Exchange Canada · As of November 5, 2026
View at Diamond Exchange Canada

About this 0.55ct natural round diamond

This 0.55ct natural round sits in the half to three-quarter carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561703817. Listed at 14 retailers as of November 5, 2026, with prices from £344 to £1,344, a £999 spread on the same certified stone. Diamond Exchange Canada lists it at £1,344. 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
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6561703817
Dimensions5.25 × 5.28 × 3.24 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
5.25 mm5.28 mm0.55 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561703817
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,344 GBP|Low: £333 GBP|High: £1,344 GBP|Avg: £593 GBP
Diamond Exchange Canada
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 6, 2026
Retailer 2£344 GBP
Retailer 4£391 GBP
Retailer 14£401 GBP
Retailer 5£429 GBP
Retailer 3£452 GBP
Retailer 12£486 GBP
Retailer 8£489 GBP
Retailer 9£569 GBP
Retailer 11£574 GBP
Retailer 7£583 GBP
Retailer 10£628 GBP
Retailer 6£651 GBP
Retailer 13£1,073 GBP
Diamond Exchange Canada£1,344 GBP

15 data points across 14 retailers

14 retailers£344 GBP to £1,344 GBP

A
Cheapest Retailer
-
£344 GBP
A
Retailer 2
-
£391 GBP
View
A
Retailer 3
-
£401 GBP
View
A
Retailer 4
-
£429 GBP
View
Final sale: no returns
A
Retailer 5
-
£452 GBP
View
A
Retailer 6
-
£486 GBP
View
A
Retailer 7
-
£489 GBP
View
A
Retailer 8
-
£569 GBP
View
A
Retailer 9
-
£574 GBP
View
A
Retailer 10
-
£583 GBP
View
A
Retailer 11
-
£628 GBP
View
B+
Retailer 12
-
£651 GBP
View
B
Retailer 13
-
£1,073 GBP
View
Most Expensive
B
Diamond Exchange Canada
1995967567 · Nov 5
£1,344 GBP
CA$2,498 CAD
View
13 more retailers have this diamond
Prices start from £344 GBPSave up to £999 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
£344 GBP