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Round|Natural|GIA

0.55ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 5242000389

Certificate GIA 5242000389

Diamond specifications and retailer prices

From £301 GBP
As of November 5, 2026
Save £325 GBP (52%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £626 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5242000389. Listed at 8 retailers as of November 5, 2026, with prices from £301 to £626, a £325 spread on the same certified stone. Frank Darling lists it at £626. 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
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5242000389
Dimensions5.22 × 3.26 × 3.26 mm
L/W Ratio1.60
Culet sizeNone
Top View
5.22 mm3.26 mm0.55 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5242000389
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.2%

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 5
Current: £626 GBP|Low: £214 GBP|High: £664 GBP|Avg: £436 GBP|-5.7%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 10£214 GBP
Retailer 3£301 GBP
Retailer 7£305 GBP
Retailer 5£396 GBP
Retailer 9£400 GBP
Retailer 6£461 GBP
Retailer 4£476 GBP
Retailer 2£521 GBP
Retailer 8£558 GBP
Frank Darling£626 GBP

31 data points across 10 retailers

8 retailers£301 GBP to £626 GBP

A
Cheapest Retailer
-
£301 GBP
A
Retailer 2
-
£305 GBP
View
A
Retailer 3
-
£396 GBP
View
A
Retailer 4
-
£400 GBP
View
A
Retailer 5
-
£461 GBP
View
A
Retailer 6
-
£476 GBP
View
A
Retailer 7
-
£521 GBP
View
Most Expensive
B+
Frank Darling
2662476HK · Nov 6
£626 GBP
$843 USD
View
7 more retailers have this diamond
Prices start from £301 GBPSave up to £325 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
£301 GBP