CaratHunter
Plans
Round|Natural|GIA

0.63ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6452109345

Certificate GIA 6452109345

Diamond specifications and retailer prices

From £578 GBP
$770 USD
As of October 29, 2026
Save £1,067 GBP (65%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,645 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 6452109345. Listed at 15 retailers as of October 29, 2026, with prices from £578 to £1,645, a £1,067 spread on the same certified stone. Diamond Quarter lists it at £1,645. 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
FluorescenceFaint
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6452109345
Dimensions5.48 × 5.44 × 3.45 mm
L/W Ratio1.01
Top View
5.48 mm5.44 mm0.63 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6452109345
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.2%

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: Oct 29
Current: £1,175 GBP|Low: £541 GBP|High: £1,206 GBP|Avg: £771 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£541 GBP
Retailer 13£578 GBP
Retailer 14£587 GBP
Retailer 3£657 GBP
Retailer 2£658 GBP
Retailer 4£674 GBP
Retailer 10£728 GBP
Retailer 12£728 GBP
Retailer 11£751 GBP
Retailer 6£776 GBP
Retailer 7£900 GBP
Retailer 8£951 GBP
Retailer 5£979 GBP
Retailer 1£1,175 GBP

30 data points across 14 retailers

15 retailers£578 GBP to £1,645 GBP

A
Retailer 1
-
£541 GBP
$720 USD
Price last confirmed 8 days ago
A
Retailer 2
-
£578 GBP
$770 USD
View
A
Retailer 3
-
£587 GBP
$782 USD
View
A
Retailer 4
-
£657 GBP
$875 USD
View
A
Retailer 5
-
£658 GBP
$876 USD
View
A
Retailer 6
-
£674 GBP
$897 USD
View
A
Retailer 7
-
£728 GBP
$970 USD
View
A
Retailer 8
-
£728 GBP
$970 USD
View
A
Retailer 9
-
£751 GBP
$1,000 USD
View
B+
Retailer 10
-
£900 GBP
€1,141 EUR
View
B+
Retailer 11
-
£951 GBP
ZAR 20,453 ZAR
View
B+
Retailer 12
-
£979 GBP
A$2,006 AUD
View
Price last confirmed 25 days ago
B+
Retailer 13
-
£1,052 GBP
€1,334 EUR
View
B+
Retailer 14
-
£1,175 GBP
View
Most Expensive
B
Diamond Quarter
0.63SI1E644576F0N · Oct 29
£1,645 GBP
View
14 more retailers have this diamond
Prices start from £578 GBPSave up to £1,067 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
£578 GBP