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0.45ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6525634970

Certificate GIA 6525634970

Diamond specifications and retailer prices

From £196 GBP
As of November 6, 2026
Save £858 GBP (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,054 GBP at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.45ct natural round diamond

This 0.45ct natural round sits in the sub-half-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6525634970. Listed at 14 retailers as of November 4, 2026, with prices from £196 to £1,054, a £858 spread on the same certified stone. NZ Jewellers lists it at £1,054. 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

0.45
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6525634970
Dimensions4.93 × 4.90 × 3.01 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
4.93 mm4.90 mm0.45 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6525634970
Side View
Table 61.0%Crown 34.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.1%

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 6
Current: £1,054 GBP|Low: £196 GBP|High: £1,100 GBP|Avg: £418 GBP|-4.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 2£196 GBP
Retailer 6£238 GBP
Retailer 14£275 GBP
Retailer 3£295 GBP
Retailer 5£295 GBP
Retailer 4£300 GBP
Retailer 12£307 GBP
Retailer 7£350 GBP
Retailer 11£370 GBP
Retailer 13£371 GBP
Retailer 10£372 GBP
Retailer 8£500 GBP
Retailer 9£634 GBP
NZ Jewellers£1,054 GBP

28 data points across 14 retailers

14 retailers£196 GBP to £1,054 GBP

A
Cheapest Retailer
-
£196 GBP
A
Retailer 2
-
£238 GBP
View
A
Retailer 3
-
£275 GBP
View
Retailer 4
-
£295 GBP
View
Price last confirmed 13 days ago
Retailer 5
-
£295 GBP
View
Price last confirmed 11 days ago
Retailer 6
-
£300 GBP
View
Price last confirmed 8 days ago
A
Retailer 7
-
£307 GBP
View
B+
Retailer 8
-
£350 GBP
View
B+
Retailer 9
-
£370 GBP
View
B+
Retailer 10
-
£371 GBP
View
B+
Retailer 11
-
£372 GBP
View
B+
Retailer 12
-
£500 GBP
View
B
Retailer 13
-
£634 GBP
View
Most Expensive
B
NZ Jewellers
169d1c33-e0d1-4e39-8a91-66574572a036 · Nov 4
£1,054 GBP
$1,419 USD
View
13 more retailers have this diamond
Prices start from £196 GBPSave up to £858 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
0.45ct Round
£196 GBP