Round|Natural|GIA

0.54ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 2426166245

Certificate GIA 2426166245

Diamond specifications and retailer prices

From £485 GBP
As of October 31, 2026
Save £1,065 GBP (69%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £2,105 GBP at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.54ct natural round diamond

This 0.54ct 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 2426166245. Listed at 23 retailers as of October 31, 2026, with a 220% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.54
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2426166245
Dimensions5.21 × 5.19 × 3.22 mm
L/W Ratio1.00
Top View
5.21 mm5.19 mm0.54 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2426166245
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £927 GBP|Low: £483 GBP|High: £1,236 GBP|Avg: £820 GBP|+55.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11£485 GBP
Retailer 9£646 GBP
Retailer 5£684 GBP
Retailer 2£749 GBP
Retailer 8£773 GBP
Retailer 3£788 GBP
Retailer 6£840 GBP
Retailer 4£864 GBP
Retailer 1£927 GBP
Retailer 7£1,035 GBP
Retailer 10£1,229 GBP

27 data points across 11 retailers

23 retailers£485 GBP to £1,550 GBP

A
Cheapest Retailer
-
£485 GBP
A
Retailer 2
-
£487 GBP
View
A
Retailer 3
-
£599 GBP
View
B+
Retailer 4
-
£619 GBP
View
Final sale: no returns
A
Retailer 5
-
£646 GBP
View
B+
Retailer 6
-
£671 GBP
View
B+
Retailer 7
-
£684 GBP
View
B+
Retailer 8
-
£697 GBP
View
B+
Retailer 9
-
£749 GBP
View
B+
Retailer 10
-
£770 GBP
View
B+
Retailer 11
-
£773 GBP
View
B+
Retailer 12
-
£775 GBP
View
B
Retailer 13
-
£788 GBP
View
B+
Retailer 14
-
£820 GBP
View
B+
Retailer 15
-
£840 GBP
View
B+
Retailer 16
-
£864 GBP
View
B
Retailer 17
-
£927 GBP
View
Retailer 18
-
£1,009 GBP
View
Price last confirmed 32 days ago
B
Retailer 19
-
£1,009 GBP
View
B
Retailer 20
-
£1,035 GBP
View
B
Retailer 21
-
£1,229 GBP
View
B
Retailer 22
-
£1,550 GBP
View
Most Expensive
NZ Jewellers
7c5602d6-dff6-423e-a075-49b6c6d1b786 · Nov 4
£2,105 GBP
$2,817 USD
View
Price under review
22 more retailers have this diamond
Prices start from £485 GBPSave up to £1,065 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
0.54ct Round
£485 GBP