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Round|Natural|GIA

0.53ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 6541901095

Certificate GIA 6541901095

Diamond specifications and retailer prices

From £221 GBP
As of November 4, 2026
Save £155 GBP (41%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £904 GBP at NZ Jewellers · As of September 25, 2026
View at NZ Jewellers

About this 0.53ct natural round diamond

This 0.53ct natural round sits in the half to three-quarter carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6541901095. Listed at 6 retailers as of November 4, 2026, with a 70% 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

0.53
Carat
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle32.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6541901095
Dimensions5.21 × 5.23 × 3.23 mm
L/W Ratio1.00
Top View
5.21 mm5.23 mm0.53 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6541901095
Side View
Table 54.0%Crown 32.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.9%

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 4
Current: £904 GBP|Low: £221 GBP|High: £904 GBP|Avg: £405 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5£221 GBP
Retailer 6£252 GBP
Retailer 2£286 GBP
Retailer 4£357 GBP
Retailer 3£376 GBP
NZ Jewellers£904 GBP

44 data points across 6 retailers

6 retailers£221 GBP to £376 GBP

A
Cheapest Retailer
-
£221 GBP
A
Retailer 2
-
£223 GBP
View
A
Retailer 3
-
£286 GBP
View
B+
Retailer 4
-
£357 GBP
View
B+
Retailer 5
-
£376 GBP
View
Most Expensive
NZ Jewellers
eb928064-855e-481b-ae07-0d257623eb58 · Sep 25
£904 GBP
$1,217 USD
View
Price last confirmed 41 days ago
5 more retailers have this diamond
Prices start from £221 GBPSave up to £155 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
0.53ct Round
£221 GBP