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Round|Natural|GIA

0.63ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 7402406051

Certificate GIA 7402406051

Diamond specifications and retailer prices

From £614 GBP
$817 USD
As of October 29, 2026
Save £1,058 GBP (63%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,671 GBP at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

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 7402406051. Listed at 15 retailers as of October 29, 2026, with prices from £614 to £1,671, a £1,058 spread on the same certified stone. Diamond Quarter lists it at £1,671. 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
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7402406051
Dimensions5.48 × 5.46 × 3.44 mm
L/W Ratio1.00
Top View
5.48 mm5.46 mm0.63 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7402406051
Side View
Table 56.0%Crown 36°Girdle: MED-MEDPavilion 41°Culet: NoneDepth 62.8%

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: Oct 29
Current: £1,246 GBP|Low: £574 GBP|High: £1,279 GBP|Avg: £828 GBP|-1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 29, 2026
Retailer 9£608 GBP
Retailer 13£614 GBP
Retailer 14£622 GBP
Retailer 3£691 GBP
Retailer 2£699 GBP
Retailer 4£712 GBP
Retailer 10£766 GBP
Retailer 12£766 GBP
Retailer 11£788 GBP
Retailer 7£952 GBP
Retailer 6£1,001 GBP
Retailer 8£1,008 GBP
Retailer 5£1,037 GBP
Retailer 1£1,246 GBP

35 data points across 14 retailers

15 retailers£614 GBP to £1,671 GBP

A
Retailer 1
-
£608 GBP
$810 USD
Price last confirmed 8 days ago
A
Retailer 2
-
£614 GBP
$817 USD
View
A
Retailer 3
-
£622 GBP
$828 USD
View
A
Retailer 4
-
£691 GBP
$920 USD
View
A
Retailer 5
-
£699 GBP
$931 USD
View
A
Retailer 6
-
£712 GBP
$948 USD
View
A
Retailer 7
-
£766 GBP
$1,020 USD
View
A
Retailer 8
-
£766 GBP
$1,020 USD
View
B+
Retailer 9
-
£788 GBP
$1,050 USD
View
B+
Retailer 10
-
£952 GBP
€1,208 EUR
View
B+
Retailer 11
-
£1,008 GBP
ZAR 21,691 ZAR
View
B+
Retailer 12
-
£1,037 GBP
A$2,125 AUD
View
Price last confirmed 24 days ago
B+
Retailer 13
-
£1,087 GBP
€1,378 EUR
View
B+
Retailer 14
-
£1,246 GBP
View
Most Expensive
B
Diamond Quarter
0.63SI1E7451650CN · Oct 29
£1,671 GBP
View
14 more retailers have this diamond
Prices start from £614 GBPSave up to £1,058 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
£614 GBP