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0.45ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 5563322258

Certificate GIA 5563322258

Diamond specifications and retailer prices

From £299 GBP
As of November 5, 2026
Save £621 GBP (68%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £920 GBP at MOH London · As of November 4, 2026
View at MOH London

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 5563322258. Listed at 10 retailers as of November 4, 2026, with prices from £299 to £920, a £621 spread on the same certified stone. MOH London lists it at £920. 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
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5563322258
Dimensions4.92 × 4.93 × 3.02 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather
Top View
4.92 mm4.93 mm0.45 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5563322258
Side View
Table 58.0%Crown 35.5°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 61.3%

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: £920 GBP|Low: £299 GBP|High: £1,010 GBP|Avg: £529 GBP|-8.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 4£299 GBP
Retailer 9£351 GBP
Retailer 8£412 GBP
Retailer 7£438 GBP
Retailer 2£493 GBP
Retailer 6£532 GBP
Retailer 3£553 GBP
Retailer 5£556 GBP
MOH London£920 GBP

32 data points across 9 retailers

10 retailers£299 GBP to £920 GBP

A
Cheapest Retailer
-
£299 GBP
A
Retailer 2
-
£351 GBP
View
A
Retailer 3
-
£412 GBP
View
A
Retailer 4
-
£438 GBP
View
A
Retailer 5
-
£493 GBP
View
B+
Retailer 6
-
£532 GBP
View
B+
Retailer 7
-
£553 GBP
View
B+
Retailer 8
-
£556 GBP
View
Retailer 9
-
£651 GBP
View
Price last confirmed 33 days ago
Most Expensive
B
MOH London
BF24D3EC5 · Nov 4
£920 GBP
View
9 more retailers have this diamond
Prices start from £299 GBPSave up to £621 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
£299 GBP