Radiant|Natural|GIA

0.55ct G SI1 Radiant Natural Diamond

ID • G/SI1 • GIA 7431390050

Certificate GIA 7431390050

Diamond specifications and retailer prices

From £430 GBP
As of November 6, 2026
Save £1,393 GBP (76%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,823 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.55ct natural radiant diamond

This 0.55ct natural radiant sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7431390050. Listed at 19 retailers as of November 5, 2026, with prices from £430 to £1,823, a £1,393 spread on the same certified stone. NZ Jewellers lists it at £1,823. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7431390050
Dimensions5.61 × 3.87 × 2.68 mm
L/W Ratio1.45
Top View
5.61 mm3.87 mm0.55 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7431390050
Side View
Table 68.0%CrownGirdlePavilionCulet: NoneDepth 69.3%

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: £1,823 GBP|Low: £430 GBP|High: £1,823 GBP|Avg: £744 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 7, 2026
Retailer 7£430 GBP
Retailer 9£490 GBP
Retailer 8£523 GBP
Retailer 16£581 GBP
Retailer 17£581 GBP
Retailer 4£590 GBP
Retailer 15£604 GBP
Retailer 5£660 GBP
Retailer 3£671 GBP
Retailer 2£692 GBP
Retailer 6£710 GBP
Retailer 10£710 GBP
Retailer 14£728 GBP
Retailer 11£819 GBP
Retailer 12£897 GBP
Retailer 13£1,063 GBP
NZ Jewellers£1,823 GBP

32 data points across 17 retailers

19 retailers£430 GBP to £1,823 GBP

A
Cheapest Retailer
-
£430 GBP
A
Retailer 2
-
£523 GBP
View
Retailer 3
-
£581 GBP
View
Price last confirmed 9 days ago
B+
Retailer 4
-
£581 GBP
View
B+
Retailer 5
-
£590 GBP
View
B+
Retailer 6
-
£604 GBP
View
B+
Retailer 7
-
£604 GBP
View
B+
Retailer 8
-
£660 GBP
View
B+
Retailer 9
-
£671 GBP
View
B+
Retailer 10
-
£680 GBP
View
B+
Retailer 11
-
£692 GBP
View
B+
Retailer 12
-
£710 GBP
View
B+
Retailer 13
-
£710 GBP
View
B+
Retailer 14
-
£728 GBP
View
B+
Retailer 15
-
£787 GBP
View
B+
Retailer 16
-
£819 GBP
View
B
Retailer 17
-
£897 GBP
View
B
Retailer 18
-
£1,063 GBP
View
Most Expensive
B
NZ Jewellers
f3233606-98c7-4f2d-ba6e-9e2f54a68c70 · Nov 5
£1,823 GBP
$2,440 USD
View
18 more retailers have this diamond
Prices start from £430 GBPSave up to £1,393 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 Radiant
£430 GBP