Round|Natural|GIA

0.55ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 1439221140

Certificate GIA 1439221140

Diamond specifications and retailer prices

From £499 GBP
$668 USD
As of October 31, 2026
Save £1,448 GBP (74%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,946 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 1439221140. Listed at 14 retailers as of October 30, 2026, with prices from £499 to £1,946, a £1,448 spread on the same certified stone. NZ Jewellers lists it at £1,946. 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
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1439221140
Dimensions5.24 × 5.28 × 3.22 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
5.24 mm5.28 mm0.55 ctG / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1439221140
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.1%

Caratlytics Score

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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: Oct 31
Current: £1,946 GBP|Low: £499 GBP|High: £1,946 GBP|Avg: £929 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 6£499 GBP
Retailer 7£584 GBP
Retailer 8£605 GBP
Retailer 4£740 GBP
Retailer 3£751 GBP
Retailer 5£836 GBP
Retailer 2£1,137 GBP
NZ Jewellers£1,946 GBP

44 data points across 8 retailers

14 retailers£499 GBP to £1,946 GBP

A
Cheapest Retailer
-
£499 GBP
$668 USD
Final sale: no returns
A
Retailer 2
-
£536 GBP
$718 USD
View
A
Retailer 3
-
£563 GBP
$754 USD
View
A
Retailer 4
-
£576 GBP
$772 USD
View
A
Retailer 5
-
£579 GBP
A$1,194 AUD
View
A
Retailer 6
-
£584 GBP
$783 USD
View
B+
Retailer 7
-
£605 GBP
$811 USD
View
B+
Retailer 8
-
£649 GBP
$869 USD
View
B+
Retailer 9
-
£740 GBP
View
B+
Retailer 10
-
£751 GBP
View
B+
Retailer 11
-
£836 GBP
€1,067 EUR
View
B
Retailer 12
-
£1,137 GBP
View
B
Retailer 13
-
£1,744 GBP
View
Most Expensive
B
NZ Jewellers
3869501a-3e41-43ff-99fa-c45d9ecd08d0 · Oct 30
£1,946 GBP
$2,608 USD
View
13 more retailers have this diamond
Prices start from £499 GBPSave up to £1,448 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
£499 GBP