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Round|Natural|GIA

0.55ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 7513318805

Certificate GIA 7513318805

Diamond specifications and retailer prices

From £561 GBP
As of November 6, 2026
Save £1,638 GBP (74%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £2,199 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7513318805. Listed at 24 retailers as of November 4, 2026, with prices from £561 to £2,199, a £1,638 spread on the same certified stone. NZ Jewellers lists it at £2,199. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7513318805
Dimensions5.26 × 5.24 × 3.24 mm
L/W Ratio1.00
Star length45%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud
Top View
5.26 mm5.24 mm0.55 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7513318805
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.8%

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 6
Current: £902 GBP|Low: £661 GBP|High: £1,299 GBP|Avg: £944 GBP|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10£661 GBP
Retailer 3£808 GBP
Retailer 8£828 GBP
Retailer 5£877 GBP
Retailer 1£902 GBP
Retailer 4£905 GBP
Retailer 9£1,009 GBP
Retailer 2£1,054 GBP
Retailer 6£1,082 GBP
Retailer 7£1,284 GBP

34 data points across 10 retailers

24 retailers£561 GBP to £2,199 GBP

A
Cheapest Retailer
-
£561 GBP
A
Retailer 2
-
£638 GBP
View
Retailer 3
-
£659 GBP
View
Price last confirmed 82 days ago
A
Retailer 4
-
£661 GBP
View
Final sale: no returns
Retailer 5
-
£667 GBP
View
Price last confirmed 57 days ago
B+
Retailer 6
-
£702 GBP
View
B+
Retailer 7
-
£717 GBP
View
B+
Retailer 8
-
£744 GBP
View
Retailer 9
-
£770 GBP
View
Price last confirmed 60 days ago
B+
Retailer 10
-
£799 GBP
View
B+
Retailer 11
-
£808 GBP
View
B+
Retailer 12
-
£827 GBP
View
B+
Retailer 13
-
£828 GBP
View
B+
Retailer 14
-
£877 GBP
View
B+
Retailer 15
-
£902 GBP
View
B+
Retailer 16
-
£905 GBP
View
B+
Retailer 17
-
£1,009 GBP
View
Retailer 18
-
£1,054 GBP
View
Price last confirmed 32 days ago
B+
Retailer 19
-
£1,082 GBP
View
B
Retailer 20
-
£1,193 GBP
View
B
Retailer 21
-
£1,284 GBP
View
B
Retailer 22
-
£1,426 GBP
View
Retailer 23
-
£2,092 GBP
View
Price last confirmed 56 days ago
Most Expensive
B
NZ Jewellers
807e9239-6c79-4943-8760-ceb6cf39ea68 · Nov 4
£2,199 GBP
$2,959 USD
View
23 more retailers have this diamond
Prices start from £561 GBPSave up to £1,638 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
£561 GBP