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Round|Natural|GIA

0.55ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 7556270490

Certificate GIA 7556270490

Diamond specifications and retailer prices

From £425 GBP
As of November 5, 2026
Save £627 GBP (60%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,052 GBP at MOH London · As of November 4, 2026
View at MOH London

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 7556270490. Listed at 7 retailers as of November 4, 2026, with prices from £425 to £1,052, a £627 spread on the same certified stone. MOH London lists it at £1,052. 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
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7556270490
Dimensions5.27 × 5.26 × 3.28 mm
L/W Ratio1.00
Star length50%
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather
Top View
5.27 mm5.26 mm0.55 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7556270490
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.2%

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 5
Current: £1,052 GBP|Low: £425 GBP|High: £1,066 GBP|Avg: £678 GBP|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 3£425 GBP
Retailer 5£428 GBP
Retailer 6£661 GBP
Retailer 2£681 GBP
Retailer 4£809 GBP
MOH London£1,052 GBP

42 data points across 6 retailers

7 retailers£425 GBP to £1,052 GBP

A
Cheapest Retailer
-
£425 GBP
A
Retailer 2
-
£428 GBP
View
B+
Retailer 3
-
£661 GBP
View
B+
Retailer 4
-
£673 GBP
View
B+
Retailer 5
-
£681 GBP
View
B+
Retailer 6
-
£809 GBP
View
Most Expensive
B
MOH London
1676C28B4 · Nov 4
£1,052 GBP
View
6 more retailers have this diamond
Prices start from £425 GBPSave up to £627 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
£425 GBP