Oval|Natural|GIA

0.55ct F SI1 Oval Natural Diamond

EX • F/SI1 • GIA 6561056618

Certificate GIA 6561056618

Diamond specifications and retailer prices

From £553 GBP
As of November 6, 2026
Save £314 GBP (36%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £867 GBP at Frank Darling · As of November 6, 2026
View at Frank Darling

About this 0.55ct natural oval diamond

This 0.55ct natural oval sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6561056618. Listed at 12 retailers as of November 6, 2026, with prices from £553 to £867, a £314 spread on the same certified stone. Frank Darling lists it at £867. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39.79°
Pavilion angle39.43°
OriginNatural
Grading LabGIA
CertificateGIA 6561056618
Dimensions6.48 × 4.56 × 2.85 mm
L/W Ratio1.42
Culet sizeNone
Top View
6.48 mm4.56 mm0.55 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6561056618
Side View
Table 59.0%Crown 39.79°Girdle: STK-THKPavilion 39.43°Culet: NoneDepth 62.4%

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: £867 GBP|Low: £551 GBP|High: £867 GBP|Avg: £706 GBP
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 9£553 GBP
Retailer 4£554 GBP
Retailer 7£554 GBP
Retailer 8£567 GBP
Retailer 12£582 GBP
Retailer 6£610 GBP
Retailer 10£720 GBP
Retailer 5£743 GBP
Retailer 11£776 GBP
Retailer 2£813 GBP
Retailer 3£829 GBP
Frank Darling£867 GBP

39 data points across 12 retailers

12 retailers£553 GBP to £867 GBP

A
Cheapest Retailer
-
£553 GBP
A
Retailer 2
-
£554 GBP
View
A
Retailer 3
-
£554 GBP
View
A
Retailer 4
-
£567 GBP
View
B+
Retailer 5
-
£582 GBP
View
B+
Retailer 6
-
£610 GBP
View
B
Retailer 7
-
£720 GBP
View
B+
Retailer 8
-
£743 GBP
View
B+
Retailer 9
-
£776 GBP
View
B+
Retailer 10
-
£813 GBP
View
B
Retailer 11
-
£829 GBP
View
Most Expensive
B
Frank Darling
2673454HK · Nov 6
£867 GBP
$1,160 USD
View
11 more retailers have this diamond
Prices start from £553 GBPSave up to £314 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 Oval
£553 GBP