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0.63ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2556184456

Certificate GIA 2556184456

Diamond specifications and retailer prices

From £531 GBP
$707 USD
As of October 28, 2026
Save £361 GBP (40%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £891 GBP at Frank Darling · As of October 29, 2026
View at Frank Darling

About this 0.63ct natural round diamond

This 0.63ct 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 2556184456. Listed at 14 retailers as of October 28, 2026, with prices from £531 to £891, a £361 spread on the same certified stone. Frank Darling lists it at £891. 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

0.63
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2556184456
Dimensions5.47 × 5.49 × 3.43 mm
L/W Ratio1.00
Top View
5.47 mm5.49 mm0.63 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2556184456
Side View
Table 57.0%Crown 36.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.6%

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: Oct 28
Current: £891 GBP|Low: £531 GBP|High: £926 GBP|Avg: £707 GBP|-3.7%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 8£531 GBP
Retailer 11£541 GBP
Retailer 13£562 GBP
Retailer 3£578 GBP
Retailer 9£591 GBP
Retailer 10£601 GBP
Retailer 6£641 GBP
Retailer 7£666 GBP
Retailer 2£780 GBP
Retailer 5£782 GBP
Retailer 12£809 GBP
Retailer 4£869 GBP
Frank Darling£891 GBP

33 data points across 13 retailers

14 retailers£531 GBP to £891 GBP

A
Cheapest Retailer
-
£531 GBP
$707 USD
A
Retailer 2
-
£541 GBP
$720 USD
View
A
Retailer 3
-
£562 GBP
SGD 1,011 SGD
View
A
Retailer 4
-
£578 GBP
SGD 1,040 SGD
View
A
Retailer 5
-
£591 GBP
$787 USD
View
A
Retailer 6
-
£601 GBP
$800 USD
View
A
Retailer 7
-
£641 GBP
View
A
Retailer 8
-
£666 GBP
$887 USD
View
A
Retailer 9
-
£717 GBP
$955 USD
View
B+
Retailer 10
-
£780 GBP
€989 EUR
View
B+
Retailer 11
-
£782 GBP
View
B+
Retailer 12
-
£809 GBP
$1,077 USD
View
B+
Retailer 13
-
£869 GBP
$1,157 USD
View
Most Expensive
B+
Frank Darling
2633355HK · Oct 29
£891 GBP
$1,187 USD
View
13 more retailers have this diamond
Prices start from £531 GBPSave up to £361 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
0.63ct Round
£531 GBP