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0.55ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 5523994764

Certificate GIA 5523994764

Diamond specifications and retailer prices

From £389 GBP
As of November 5, 2026
Save £1,245 GBP (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,633 GBP at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.55ct natural round diamond

This 0.55ct natural round sits in the half to three-quarter carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5523994764. Listed at 18 retailers as of November 4, 2026, with prices from £389 to £1,633, a £1,245 spread on the same certified stone. NZ Jewellers lists it at £1,633. 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

0.55
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5523994764
Dimensions5.25 × 5.23 × 3.24 mm
L/W Ratio1.00
Top View
5.25 mm5.23 mm0.55 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5523994764
Side View
Table 58.0%Crown 35.5°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 61.9%

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: £1,633 GBP|Low: £389 GBP|High: £1,679 GBP|Avg: £738 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
Retailer 15
Retailer 16
November 6, 2026
Retailer 12£389 GBP
Retailer 16£435 GBP
Retailer 13£477 GBP
Retailer 7£481 GBP
Retailer 8£497 GBP
Retailer 14£513 GBP
Retailer 9£545 GBP
Retailer 6£550 GBP
Retailer 11£632 GBP
Retailer 10£640 GBP
Retailer 15£649 GBP
Retailer 2£687 GBP
Retailer 4£733 GBP
Retailer 3£1,201 GBP
Retailer 5£1,513 GBP
NZ Jewellers£1,633 GBP

21 data points across 16 retailers

18 retailers£389 GBP to £1,633 GBP

A
Cheapest Retailer
-
£389 GBP
A
Retailer 2
-
£435 GBP
View
A
Retailer 3
-
£447 GBP
View
Retailer 4
-
£460 GBP
View
Price last confirmed 19 days ago
A
Retailer 5
-
£477 GBP
View
A
Retailer 6
-
£481 GBP
View
Final sale: no returns
A
Retailer 7
-
£497 GBP
View
A
Retailer 8
-
£513 GBP
View
A
Retailer 9
-
£545 GBP
View
A
Retailer 10
-
£550 GBP
View
A
Retailer 11
-
£632 GBP
View
A
Retailer 12
-
£640 GBP
View
A
Retailer 13
-
£649 GBP
View
A
Retailer 14
-
£687 GBP
View
B+
Retailer 15
-
£733 GBP
View
B
Retailer 16
-
£1,201 GBP
View
B
Retailer 17
-
£1,513 GBP
View
Most Expensive
B
NZ Jewellers
75e57207-2a4c-4a5b-8256-71dd2d12f3ae · Nov 4
£1,633 GBP
$2,198 USD
View
17 more retailers have this diamond
Prices start from £389 GBPSave up to £1,245 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
0.55ct Round
£389 GBP