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Round|Natural|GIA

0.55ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6565389549

Certificate GIA 6565389549

Diamond specifications and retailer prices

From £361 GBP
As of November 6, 2026
Save £1,165 GBP (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,526 GBP at NZ Jewellers · As of November 2, 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 6565389549. Listed at 16 retailers as of November 2, 2026, with prices from £361 to £1,526, a £1,165 spread on the same certified stone. NZ Jewellers lists it at £1,526. 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 angle34.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6565389549
Dimensions5.28 × 5.31 × 3.25 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
5.28 mm5.31 mm0.55 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565389549
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.4%

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: £1,526 GBP|Low: £361 GBP|High: £1,567 GBP|Avg: £614 GBP|-2.6%
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
November 6, 2026
Retailer 2£361 GBP
Retailer 5£411 GBP
Retailer 16£421 GBP
Retailer 6£449 GBP
Retailer 4£486 GBP
Retailer 3£506 GBP
Retailer 13£507 GBP
Retailer 7£510 GBP
Retailer 8£562 GBP
Retailer 10£596 GBP
Retailer 12£598 GBP
Retailer 9£610 GBP
Retailer 11£656 GBP
Retailer 14£683 GBP
Retailer 15£1,122 GBP
NZ Jewellers£1,526 GBP

20 data points across 16 retailers

16 retailers£361 GBP to £1,526 GBP

A
Cheapest Retailer
-
£361 GBP
A
Retailer 2
-
£411 GBP
View
Retailer 3
-
£421 GBP
View
Price last confirmed 7 days ago
A
Retailer 4
-
£449 GBP
View
Final sale: no returns
A
Retailer 5
-
£486 GBP
View
A
Retailer 6
-
£506 GBP
View
A
Retailer 7
-
£507 GBP
View
A
Retailer 8
-
£510 GBP
View
A
Retailer 9
-
£562 GBP
View
A
Retailer 10
-
£596 GBP
View
A
Retailer 11
-
£598 GBP
View
A
Retailer 12
-
£610 GBP
View
B+
Retailer 13
-
£656 GBP
View
B+
Retailer 14
-
£683 GBP
View
B
Retailer 15
-
£1,122 GBP
View
Most Expensive
B
NZ Jewellers
ad402ceb-e7a0-42f2-9073-347675bdd277 · Nov 2
£1,526 GBP
$2,043 USD
View
15 more retailers have this diamond
Prices start from £361 GBPSave up to £1,165 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
£361 GBP