Round|Natural|GIA

0.56ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6511109850

Certificate GIA 6511109850

Diamond specifications and retailer prices

From £548 GBP
$730 USD
As of October 28, 2026
Save £541 GBP (50%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,862 GBP at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 0.56ct natural round diamond

This 0.56ct natural round sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6511109850. Listed at 20 retailers as of October 25, 2026, with a 99% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.56
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6511109850
Dimensions5.27 × 5.23 × 3.30 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
5.27 mm5.23 mm0.56 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6511109850
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.8%

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: Oct 28
Current: £708 GBP|Low: £418 GBP|High: £1,101 GBP|Avg: £743 GBP|+5.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 7£548 GBP
Retailer 9£594 GBP
Retailer 10£672 GBP
Retailer 2£693 GBP
Retailer 1£708 GBP
Retailer 6£721 GBP
Retailer 3£766 GBP
Retailer 8£893 GBP
Retailer 4£914 GBP
Retailer 5£1,089 GBP

44 data points across 10 retailers

20 retailers£548 GBP to £1,089 GBP

A
Cheapest Retailer
-
£548 GBP
$730 USD
Final sale: no returns
A
Retailer 2
-
£553 GBP
A$1,133 AUD
View
A
Retailer 3
-
£566 GBP
$754 USD
View
Price last confirmed 71 days ago
A
Retailer 4
-
£594 GBP
$791 USD
View
Price last confirmed 35 days ago
A
Retailer 5
-
£594 GBP
$791 USD
View
Price last confirmed 22 days ago
A
Retailer 6
-
£594 GBP
$791 USD
View
Price last confirmed 13 days ago
A
Retailer 7
-
£602 GBP
$802 USD
View
A
Retailer 8
-
£617 GBP
$821 USD
View
Price last confirmed 14 days ago
A
Retailer 9
-
£672 GBP
$895 USD
View
A
Retailer 10
-
£685 GBP
$912 USD
View
Price last confirmed 37 days ago
A
Retailer 11
-
£685 GBP
$912 USD
View
Price last confirmed 20 days ago
B+
Retailer 12
-
£693 GBP
$923 USD
View
B+
Retailer 13
-
£708 GBP
View
B+
Retailer 14
-
£721 GBP
$960 USD
View
B+
Retailer 15
-
£766 GBP
€972 EUR
View
B+
Retailer 16
-
£893 GBP
A$1,830 AUD
View
Price last confirmed 25 days ago
B+
Retailer 17
-
£914 GBP
ZAR 19,673 ZAR
View
B+
Retailer 18
-
£1,089 GBP
View
B
Retailer 19
-
£1,862 GBP
$2,480 USD
View
Price last confirmed 35 days ago
Most Expensive
B
NZ Jewellers
fd451533-1b0d-4e11-9332-89bd3bea9d7f · Sep 28
£1,862 GBP
$2,480 USD
View
Price last confirmed 31 days ago
19 more retailers have this diamond
Prices start from £548 GBPSave up to £541 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
0.56ct Round
£548 GBP