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Round|Natural|GIA

0.55ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 7552140145

Certificate GIA 7552140145

Diamond specifications and retailer prices

From £564 GBP
$757 USD
As of November 2, 2026
Save £1,353 GBP (71%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,917 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7552140145. Listed at 18 retailers as of November 2, 2026, with prices from £564 to £1,917, a £1,353 spread on the same certified stone. NZ Jewellers lists it at £1,917. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7552140145
Dimensions5.22 × 3.23 × 3.23 mm
L/W Ratio1.62
Culet sizeNone
Top View
5.22 mm3.23 mm0.55 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7552140145
Side View
Table 58.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.8%

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 2
Current: £1,917 GBP|Low: £553 GBP|High: £2,082 GBP|Avg: £875 GBP|-7.9%
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 2, 2026
Retailer 14£564 GBP
Retailer 5£568 GBP
Retailer 13£611 GBP
Retailer 2£635 GBP
Retailer 7£648 GBP
Retailer 15£682 GBP
Retailer 4£706 GBP
Retailer 9£726 GBP
Retailer 12£734 GBP
Retailer 11£759 GBP
Retailer 10£790 GBP
Retailer 3£952 GBP
Retailer 8£999 GBP
Retailer 16£1,048 GBP
Retailer 6£1,136 GBP
NZ Jewellers£1,917 GBP

32 data points across 16 retailers

18 retailers£564 GBP to £1,917 GBP

Retailer 1
-
£496 GBP
HK$5,200 HKD
Price last confirmed 59 days ago
A
Retailer 2
-
£564 GBP
$757 USD
View
Final sale: no returns
A
Retailer 3
-
£568 GBP
$762 USD
View
A
Retailer 4
-
£607 GBP
$815 USD
View
A
Retailer 5
-
£611 GBP
$820 USD
View
A
Retailer 6
-
£635 GBP
$852 USD
View
B+
Retailer 7
-
£648 GBP
$870 USD
View
B+
Retailer 8
-
£682 GBP
$915 USD
View
B+
Retailer 9
-
£706 GBP
$947 USD
View
B+
Retailer 10
-
£726 GBP
View
B+
Retailer 11
-
£734 GBP
$985 USD
View
B+
Retailer 12
-
£759 GBP
$1,018 USD
View
B+
Retailer 13
-
£790 GBP
€1,010 EUR
View
B+
Retailer 14
-
£952 GBP
ZAR 20,636 ZAR
View
Retailer 15
-
£999 GBP
A$2,061 AUD
View
Price last confirmed 29 days ago
B
Retailer 16
-
£1,048 GBP
€1,340 EUR
View
B
Retailer 17
-
£1,136 GBP
View
Most Expensive
B
NZ Jewellers
70e0bad0-6649-4dd3-bdb8-296147b9b1f6 · Nov 2
£1,917 GBP
$2,573 USD
View
17 more retailers have this diamond
Prices start from £564 GBPSave up to £1,353 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
£564 GBP