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0.53ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2557496584

Certificate GIA 2557496584

Diamond specifications and retailer prices

From £276 GBP
As of November 5, 2026
Save £860 GBP (76%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,137 GBP at NZ Jewellers · As of November 4, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557496584. Listed at 6 retailers as of November 4, 2026, with prices from £276 to £1,137, a £860 spread on the same certified stone. NZ Jewellers lists it at £1,137. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2557496584
Dimensions5.16 × 5.17 × 3.23 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Cloud
Top View
5.16 mm5.17 mm0.53 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557496584
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.6%

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 5
Current: £1,137 GBP|Low: £276 GBP|High: £1,178 GBP|Avg: £469 GBP|-3.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3£276 GBP
Retailer 5£288 GBP
Retailer 6£290 GBP
Retailer 7£336 GBP
Retailer 4£382 GBP
Retailer 2£533 GBP
NZ Jewellers£1,137 GBP

43 data points across 7 retailers

6 retailers£276 GBP to £1,137 GBP

A
Cheapest Retailer
-
£276 GBP
A
Retailer 2
-
£288 GBP
View
Retailer 3
-
£290 GBP
View
Price last confirmed 24 days ago
A
Retailer 4
-
£382 GBP
View
B+
Retailer 5
-
£533 GBP
View
Most Expensive
B
NZ Jewellers
e36e9908-f65b-4bd8-90e9-6754d0ea43db · Nov 4
£1,137 GBP
$1,530 USD
View
5 more retailers have this diamond
Prices start from £276 GBPSave up to £860 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
£276 GBP