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Round|Natural|GIA

0.55ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6227172988

Certificate GIA 6227172988

Diamond specifications and retailer prices

From £531 GBP
$712 USD
As of October 31, 2026
Save £1,459 GBP (73%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,990 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 6227172988. Listed at 12 retailers as of October 30, 2026, with prices from £531 to £1,990, a £1,459 spread on the same certified stone. NZ Jewellers lists it at £1,990. 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
FluorescenceFaint
Crown angle34.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6227172988
Dimensions5.27 × 5.26 × 3.28 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
5.27 mm5.26 mm0.55 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6227172988
Side View
Table 54.0%Crown 34.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 62.4%

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: Oct 31
Current: £1,990 GBP|Low: £443 GBP|High: £1,990 GBP|Avg: £830 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 7£531 GBP
Retailer 6£575 GBP
Retailer 9£575 GBP
Retailer 11£575 GBP
Retailer 8£597 GBP
Retailer 10£663 GBP
Retailer 3£670 GBP
Retailer 2£761 GBP
Retailer 4£896 GBP
Retailer 5£1,164 GBP
NZ Jewellers£1,990 GBP

42 data points across 11 retailers

12 retailers£531 GBP to £1,990 GBP

A
Cheapest Retailer
-
£531 GBP
$712 USD
Final sale: no returns
Retailer 2
-
£564 GBP
$756 USD
View
Price last confirmed 12 days ago
A
Retailer 3
-
£575 GBP
$770 USD
View
A
Retailer 4
-
£575 GBP
$770 USD
View
Retailer 5
-
£575 GBP
$770 USD
View
Price last confirmed 10 days ago
A
Retailer 6
-
£597 GBP
$800 USD
View
B+
Retailer 7
-
£663 GBP
$889 USD
View
B+
Retailer 8
-
£761 GBP
View
B+
Retailer 9
-
£896 GBP
€1,144 EUR
View
B
Retailer 10
-
£1,164 GBP
View
B
Retailer 11
-
£1,417 GBP
View
Most Expensive
B
NZ Jewellers
39b292ed-813c-4ea5-ba1a-492a1b8e6203 · Oct 30
£1,990 GBP
$2,667 USD
View
11 more retailers have this diamond
Prices start from £531 GBPSave up to £1,459 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
£531 GBP