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0.45ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6481858730

Certificate GIA 6481858730

Diamond specifications and retailer prices

From £434 GBP
As of November 4, 2026
Save £927 GBP (68%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,361 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6481858730. Listed at 15 retailers as of November 4, 2026, with prices from £434 to £1,361, a £927 spread on the same certified stone. NZ Jewellers lists it at £1,361. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6481858730
Dimensions4.92 × 4.89 × 3.05 mm
L/W Ratio1.01
Star length55%
Lower girdle80%
Top View
4.92 mm4.89 mm0.45 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6481858730
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.1%

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 4
Current: £603 GBP|Low: £459 GBP|High: £1,014 GBP|Avg: £607 GBP|+2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 7£467 GBP
Retailer 9£478 GBP
Retailer 3£484 GBP
Retailer 8£530 GBP
Retailer 2£575 GBP
Retailer 1£603 GBP
Retailer 6£652 GBP
Retailer 4£672 GBP
Retailer 5£1,001 GBP

45 data points across 9 retailers

15 retailers£434 GBP to £1,361 GBP

A
Cheapest Retailer
-
£434 GBP
A
Retailer 2
-
£437 GBP
View
A
Retailer 3
-
£467 GBP
View
A
Retailer 4
-
£484 GBP
View
A
Retailer 5
-
£494 GBP
View
B+
Retailer 6
-
£501 GBP
View
B+
Retailer 7
-
£530 GBP
View
B+
Retailer 8
-
£561 GBP
View
B+
Retailer 9
-
£575 GBP
View
B+
Retailer 10
-
£603 GBP
View
Retailer 11
-
£652 GBP
View
Price last confirmed 33 days ago
B+
Retailer 12
-
£672 GBP
View
B
Retailer 13
-
£976 GBP
View
B
Retailer 14
-
£1,001 GBP
View
Most Expensive
B
NZ Jewellers
da56ff39-5a04-448e-b7b5-04e6b2156d9f · Nov 4
£1,361 GBP
$1,832 USD
View
14 more retailers have this diamond
Prices start from £434 GBPSave up to £927 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
£434 GBP