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Round|Natural|GIA

0.55ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6442376846

Certificate GIA 6442376846

Diamond specifications and retailer prices

From £610 GBP
As of November 4, 2026
Save £1,534 GBP (72%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £2,144 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 6442376846. Listed at 18 retailers as of November 4, 2026, with prices from £610 to £2,144, a £1,534 spread on the same certified stone. NZ Jewellers lists it at £2,144. 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 angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6442376846
Dimensions5.25 × 5.21 × 3.25 mm
L/W Ratio1.01
Top View
5.25 mm5.21 mm0.55 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6442376846
Side View
Table 57.0%Crown 36.5°Girdle: THN-STKPavilion 40.6°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: £674 GBP|Low: £526 GBP|High: £1,238 GBP|Avg: £831 GBP|+4.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 5£632 GBP
Retailer 3£658 GBP
Retailer 1£674 GBP
Retailer 2£956 GBP
Retailer 4£1,221 GBP

40 data points across 5 retailers

18 retailers£610 GBP to £2,144 GBP

A
Cheapest Retailer
-
£610 GBP
A
Retailer 2
-
£623 GBP
View
A
Retailer 3
-
£632 GBP
View
Final sale: no returns
A
Retailer 4
-
£658 GBP
View
A
Retailer 5
-
£674 GBP
View
B+
Retailer 6
-
£684 GBP
View
Retailer 7
-
£684 GBP
View
Price last confirmed 8 days ago
B+
Retailer 8
-
£692 GBP
View
B+
Retailer 9
-
£710 GBP
View
B+
Retailer 10
-
£728 GBP
View
B+
Retailer 11
-
£728 GBP
View
B+
Retailer 12
-
£750 GBP
View
B+
Retailer 13
-
£782 GBP
View
B+
Retailer 14
-
£789 GBP
View
B+
Retailer 15
-
£956 GBP
View
B
Retailer 16
-
£1,221 GBP
View
B
Retailer 17
-
£1,525 GBP
View
Most Expensive
B
NZ Jewellers
c86dd0f2-128e-4e24-85a4-09056f3a4634 · Nov 4
£2,144 GBP
$2,886 USD
View
17 more retailers have this diamond
Prices start from £610 GBPSave up to £1,534 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
£610 GBP