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Round|Natural|GIA

0.54ct K I1 Round Natural Diamond

EX • K/I1 • GIA 6271886300

Certificate GIA 6271886300

Diamond specifications and retailer prices

From £397 GBP
As of November 5, 2026
Save £979 GBP (71%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,376 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 K colour (faint-tinted) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6271886300. Listed at 6 retailers as of November 4, 2026, with prices from £397 to £1,376, a £979 spread on the same certified stone. NZ Jewellers lists it at £1,376. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.54
Carat
K
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6271886300
Dimensions5.21 × 5.24 × 3.20 mm
L/W Ratio1.01
Star length55%
Lower girdle80%
Top View
5.21 mm5.24 mm0.54 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6271886300
Side View
Table 60.0%Crown 35.5°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 61.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £1,376 GBP|Low: £325 GBP|High: £1,376 GBP|Avg: £580 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 3£325 GBP
Retailer 6£397 GBP
Retailer 4£428 GBP
Retailer 8£428 GBP
Retailer 7£458 GBP
Retailer 5£484 GBP
Retailer 9£519 GBP
Retailer 11£642 GBP
Retailer 2£644 GBP
Retailer 10£660 GBP
NZ Jewellers£1,376 GBP

16 data points across 11 retailers

6 retailers£397 GBP to £1,376 GBP

B+
Cheapest Retailer
-
£397 GBP
Retailer 2
-
£428 GBP
View
Price last confirmed 8 days ago
B
Retailer 3
-
£428 GBP
View
B
Retailer 4
-
£458 GBP
View
B
Retailer 5
-
£644 GBP
View
Most Expensive
C
NZ Jewellers
d3d59750-c47e-4fdf-8e3d-9d34af618266 · Nov 4
£1,376 GBP
$1,852 USD
View
5 more retailers have this diamond
Prices start from £397 GBPSave up to £979 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.

B+
0.54ct Round
£397 GBP