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0.55ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6562598404

Certificate GIA 6562598404

Diamond specifications and retailer prices

From £507 GBP
As of November 5, 2026
Save £317 GBP (38%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £824 GBP at Frank Darling · As of November 6, 2026
View at Frank Darling

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 6562598404. Listed at 12 retailers as of November 5, 2026, with prices from £507 to £824, a £317 spread on the same certified stone. Frank Darling lists it at £824. 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 angle33.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6562598404
Dimensions5.27 × 5.30 × 3.24 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.27 mm5.30 mm0.55 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562598404
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.3%

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 5
Current: £824 GBP|Low: £507 GBP|High: £824 GBP|Avg: £658 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 7£507 GBP
Retailer 9£509 GBP
Retailer 4£511 GBP
Retailer 3£542 GBP
Retailer 5£565 GBP
Retailer 10£665 GBP
Retailer 8£689 GBP
Retailer 6£707 GBP
Retailer 11£716 GBP
Retailer 2£750 GBP
Retailer 12£759 GBP
Frank Darling£824 GBP

13 data points across 12 retailers

12 retailers£507 GBP to £824 GBP

A
Cheapest Retailer
-
£507 GBP
A
Retailer 2
-
£509 GBP
View
A
Retailer 3
-
£511 GBP
View
B+
Retailer 4
-
£542 GBP
View
B+
Retailer 5
-
£565 GBP
View
B+
Retailer 6
-
£665 GBP
View
B+
Retailer 7
-
£689 GBP
View
B+
Retailer 8
-
£707 GBP
View
B
Retailer 9
-
£716 GBP
View
B+
Retailer 10
-
£750 GBP
View
B
Retailer 11
-
£759 GBP
View
Most Expensive
B
Frank Darling
2709127HK · Nov 6
£824 GBP
$1,109 USD
View
11 more retailers have this diamond
Prices start from £507 GBPSave up to £317 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
£507 GBP