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Round|Natural|GIA

0.53ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6542606234

Certificate GIA 6542606234

Diamond specifications and retailer prices

From £245 GBP
As of November 6, 2026
Save £1,037 GBP (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,282 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6542606234. Listed at 11 retailers as of November 4, 2026, with prices from £245 to £1,282, a £1,037 spread on the same certified stone. NZ Jewellers lists it at £1,282. 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6542606234
Dimensions5.17 × 5.21 × 3.25 mm
L/W Ratio1.01
Girdle conditionFaceted
Key to symbols
Crystal, Needle
Top View
5.17 mm5.21 mm0.53 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542606234
Side View
Table 56.0%Crown 35.5°Girdle: THN-MEDPavilion 41.2°Culet: NoneDepth 62.6%

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: Nov 6
Current: £1,282 GBP|Low: £245 GBP|High: £1,282 GBP|Avg: £506 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 2£245 GBP
Retailer 3£296 GBP
Retailer 8£303 GBP
Retailer 4£344 GBP
Retailer 11£385 GBP
Retailer 6£409 GBP
Retailer 5£430 GBP
Retailer 12£432 GBP
Retailer 7£518 GBP
Retailer 10£541 GBP
Retailer 9£771 GBP
NZ Jewellers£1,282 GBP

18 data points across 12 retailers

11 retailers£245 GBP to £1,282 GBP

A
Cheapest Retailer
-
£245 GBP
Retailer 2
-
£296 GBP
View
Price last confirmed 38 days ago
A
Retailer 3
-
£303 GBP
View
A
Retailer 4
-
£385 GBP
View
B+
Retailer 5
-
£409 GBP
View
B+
Retailer 6
-
£430 GBP
View
B+
Retailer 7
-
£432 GBP
View
B+
Retailer 8
-
£518 GBP
View
B+
Retailer 9
-
£541 GBP
View
B
Retailer 10
-
£771 GBP
View
Most Expensive
B
NZ Jewellers
920a65a3-e7c4-4746-ba5e-9f0617407e8c · Nov 4
£1,282 GBP
$1,716 USD
View
10 more retailers have this diamond
Prices start from £245 GBPSave up to £1,037 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
£245 GBP