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Round|Natural|GIA

0.55ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 1545298329

Certificate GIA 1545298329

Diamond specifications and retailer prices

From £391 GBP
As of November 6, 2026
Save £1,041 GBP (73%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,432 GBP at NZ Jewellers · As of November 4, 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1545298329. Listed at 13 retailers as of November 4, 2026, with prices from £391 to £1,432, a £1,041 spread on the same certified stone. NZ Jewellers lists it at £1,432. 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
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1545298329
Dimensions5.23 × 5.25 × 3.27 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
5.23 mm5.25 mm0.55 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1545298329
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.5%

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: £1,432 GBP|Low: £391 GBP|High: £1,540 GBP|Avg: £650 GBP|-7.0%
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
November 6, 2026
Retailer 5£391 GBP
Retailer 13£421 GBP
Retailer 8£451 GBP
Retailer 12£456 GBP
Retailer 2£479 GBP
Retailer 11£492 GBP
Retailer 3£527 GBP
Retailer 6£554 GBP
Retailer 7£564 GBP
Retailer 10£616 GBP
Retailer 4£639 GBP
Retailer 9£1,053 GBP
NZ Jewellers£1,432 GBP

35 data points across 13 retailers

13 retailers£391 GBP to £1,432 GBP

A
Cheapest Retailer
-
£391 GBP
A
Retailer 2
-
£421 GBP
View
Final sale: no returns
A
Retailer 3
-
£451 GBP
View
A
Retailer 4
-
£456 GBP
View
A
Retailer 5
-
£479 GBP
View
A
Retailer 6
-
£492 GBP
View
A
Retailer 7
-
£527 GBP
View
A
Retailer 8
-
£554 GBP
View
A
Retailer 9
-
£564 GBP
View
A
Retailer 10
-
£616 GBP
View
A
Retailer 11
-
£639 GBP
View
B
Retailer 12
-
£1,053 GBP
View
Most Expensive
B
NZ Jewellers
607f8983-6fd1-4c43-8a36-2b8bbc2fcfe4 · Nov 4
£1,432 GBP
$1,917 USD
View
12 more retailers have this diamond
Prices start from £391 GBPSave up to £1,041 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
£391 GBP