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0.55ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 2566560739

Certificate GIA 2566560739

Diamond specifications and retailer prices

From £352 GBP
₹44,998 INR
As of November 2, 2026
Save £1,007 GBP (74%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,359 GBP at Diamond Exchange Canada · As of November 2, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566560739. Listed at 8 retailers as of November 2, 2026, with prices from £352 to £1,359, a £1,007 spread on the same certified stone. Diamond Exchange Canada lists it at £1,359. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2566560739
Dimensions5.22 × 5.26 × 3.26 mm
L/W Ratio1.01
Top View
5.22 mm5.26 mm0.55 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2566560739
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: 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 2
Current: £1,359 GBP|Low: £352 GBP|High: £1,438 GBP|Avg: £656 GBP|-5.5%
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 2£352 GBP
Retailer 5£401 GBP
Retailer 6£408 GBP
Retailer 8£475 GBP
Retailer 3£635 GBP
Retailer 7£674 GBP
Retailer 4£696 GBP
Diamond Exchange Canada£1,359 GBP

25 data points across 8 retailers

8 retailers£352 GBP to £1,359 GBP

A
Cheapest Retailer
-
£352 GBP
₹44,998 INR
A
Retailer 2
-
£401 GBP
HK$4,200 HKD
View
A
Retailer 3
-
£408 GBP
SGD 739 SGD
View
Retailer 4
-
£475 GBP
€607 EUR
View
Price last confirmed 7 days ago
A
Retailer 5
-
£635 GBP
€812 EUR
View
Retailer 6
-
£674 GBP
$905 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
£696 GBP
View
Most Expensive
B
Diamond Exchange Canada
1990144985 · Nov 2
£1,359 GBP
CA$2,533 CAD
View
7 more retailers have this diamond
Prices start from £352 GBPSave up to £1,007 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
£352 GBP