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Round|Natural|GIA

0.45ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1563713803

Certificate GIA 1563713803

Diamond specifications and retailer prices

From £191 GBP
As of November 6, 2026
Save £841 GBP (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,032 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1563713803. Listed at 14 retailers as of November 4, 2026, with prices from £191 to £1,032, a £841 spread on the same certified stone. NZ Jewellers lists it at £1,032. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1563713803
Dimensions4.85 × 4.88 × 3.04 mm
L/W Ratio1.01
Girdle conditionFaceted
Key to symbols
Crystal, Cloud
Top View
4.85 mm4.88 mm0.45 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1563713803
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

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: £1,032 GBP|Low: £191 GBP|High: £1,051 GBP|Avg: £407 GBP|-1.8%
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£191 GBP
Retailer 6£228 GBP
Retailer 3£269 GBP
Retailer 8£283 GBP
Retailer 14£290 GBP
Retailer 12£300 GBP
Retailer 4£351 GBP
Retailer 10£357 GBP
Retailer 13£380 GBP
Retailer 5£393 GBP
Retailer 9£439 GBP
Retailer 7£542 GBP
Retailer 11£621 GBP
NZ Jewellers£1,032 GBP

14 data points across 14 retailers

14 retailers£191 GBP to £1,032 GBP

A
Cheapest Retailer
-
£191 GBP
A
Retailer 2
-
£228 GBP
View
A
Retailer 3
-
£269 GBP
View
A
Retailer 4
-
£283 GBP
View
A
Retailer 5
-
£290 GBP
View
A
Retailer 6
-
£300 GBP
View
B+
Retailer 7
-
£351 GBP
View
B+
Retailer 8
-
£357 GBP
View
B+
Retailer 9
-
£380 GBP
View
B+
Retailer 10
-
£393 GBP
View
B+
Retailer 11
-
£439 GBP
View
B
Retailer 12
-
£542 GBP
View
B
Retailer 13
-
£621 GBP
View
Most Expensive
B
NZ Jewellers
88a58af6-0888-4c5a-bf1b-21e607b3299a · Nov 4
£1,032 GBP
$1,389 USD
View
13 more retailers have this diamond
Prices start from £191 GBPSave up to £841 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
£191 GBP