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0.63ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6515303496

Certificate GIA 6515303496

Diamond specifications and retailer prices

From £416 GBP
$557 USD
As of November 1, 2026
Save £638 GBP (61%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,054 GBP at Diamond Quarter · As of November 2, 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6515303496. Listed at 9 retailers as of November 1, 2026, with prices from £416 to £1,054, a £638 spread on the same certified stone. Diamond Quarter lists it at £1,054. 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
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6515303496
Dimensions5.46 × 5.42 × 3.43 mm
L/W Ratio1.01
Top View
5.46 mm5.42 mm0.63 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6515303496
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.2%

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: Nov 1
Current: £571 GBP|Low: £392 GBP|High: £809 GBP|Avg: £543 GBP|-4.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 4£416 GBP
Retailer 2£426 GBP
Retailer 5£448 GBP
Retailer 6£476 GBP
Retailer 3£515 GBP
Retailer 1£571 GBP
Retailer 8£592 GBP
Retailer 7£809 GBP

42 data points across 8 retailers

9 retailers£416 GBP to £1,054 GBP

A
Cheapest Retailer
-
£416 GBP
$557 USD
A
Retailer 2
-
£426 GBP
$571 USD
View
Final sale: no returns
A
Retailer 3
-
£448 GBP
$600 USD
View
Retailer 4
-
£475 GBP
$637 USD
View
Price last confirmed 77 days ago
A
Retailer 5
-
£476 GBP
MYR 2,596 MYR
View
A
Retailer 6
-
£515 GBP
SGD 933 SGD
View
A
Retailer 7
-
£571 GBP
View
B+
Retailer 8
-
£809 GBP
A$1,668 AUD
View
Most Expensive
B
Diamond Quarter
0.63SI2F65969790KG · Nov 2
£1,054 GBP
View
8 more retailers have this diamond
Prices start from £416 GBPSave up to £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
0.63ct Round
£416 GBP