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Round|Natural|GIA

0.63ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 5513914949

Certificate GIA 5513914949

Diamond specifications and retailer prices

From £492 GBP
$659 USD
As of November 2, 2026
Save £738 GBP (60%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,699 GBP at NZ Jewellers · As of September 24, 2026
View at NZ Jewellers

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 5513914949. Listed at 10 retailers as of November 1, 2026, with a 150% 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

0.63
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5513914949
Dimensions5.46 × 5.48 × 3.42 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
5.46 mm5.48 mm0.63 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5513914949
Side View
Table 58.0%Crown 36.5°Girdle: Sli. ThickPavilion 41°Culet: NoneDepth 62.6%

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 2
Current: £636 GBP|Low: £458 GBP|High: £1,237 GBP|Avg: £709 GBP|+4.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 4£492 GBP
Retailer 5£552 GBP
Retailer 1£636 GBP
Retailer 2£755 GBP
Retailer 7£758 GBP
Retailer 6£789 GBP
Retailer 3£1,230 GBP

41 data points across 7 retailers

10 retailers£492 GBP to £1,230 GBP

A
Cheapest Retailer
-
£492 GBP
$659 USD
Final sale: no returns
Retailer 2
-
£542 GBP
$726 USD
View
Price last confirmed 25 days ago
Retailer 3
-
£542 GBP
$726 USD
View
Price last confirmed 25 days ago
A
Retailer 4
-
£552 GBP
$740 USD
View
Retailer 5
-
£563 GBP
$754 USD
View
Price last confirmed 33 days ago
Retailer 6
-
£625 GBP
$838 USD
View
Price last confirmed 33 days ago
A
Retailer 7
-
£636 GBP
View
B+
Retailer 8
-
£755 GBP
€963 EUR
View
B
Retailer 9
-
£1,230 GBP
View
Most Expensive
NZ Jewellers
7d154c6d-3c22-415b-8a3d-582fe8990050 · Sep 24
£1,699 GBP
$2,276 USD
View
Price last confirmed 38 days ago
9 more retailers have this diamond
Prices start from £492 GBPSave up to £738 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
£492 GBP