Round|Natural|GIA

0.63ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6492437733

Certificate GIA 6492437733

Diamond specifications and retailer prices

From £720 GBP
$965 USD
As of November 1, 2026
Save £967 GBP (57%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,687 GBP at Diamond Quarter · As of October 31, 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 6492437733. Listed at 9 retailers as of October 31, 2026, with prices from £720 to £1,687, a £967 spread on the same certified stone. Diamond Quarter lists it at £1,687. 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 angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6492437733
Dimensions5.47 × 5.43 × 3.42 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
5.47 mm5.43 mm0.63 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6492437733
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.7%

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: Nov 1
Current: £1,121 GBP|Low: £720 GBP|High: £1,410 GBP|Avg: £984 GBP|-9.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 2£720 GBP
Retailer 5£755 GBP
Retailer 6£948 GBP
Retailer 7£948 GBP
Retailer 4£979 GBP
Retailer 8£985 GBP
Retailer 1£1,121 GBP
Retailer 3£1,410 GBP

19 data points across 8 retailers

9 retailers£720 GBP to £1,687 GBP

A
Cheapest Retailer
-
£720 GBP
$965 USD
B+
Retailer 2
-
£755 GBP
$1,012 USD
View
B
Retailer 3
-
£948 GBP
$1,270 USD
View
B
Retailer 4
-
£948 GBP
$1,270 USD
View
B+
Retailer 5
-
£979 GBP
$1,312 USD
View
B+
Retailer 6
-
£985 GBP
$1,320 USD
View
B
Retailer 7
-
£1,121 GBP
€1,430 EUR
View
B
Retailer 8
-
£1,410 GBP
CA$2,624 CAD
View
Most Expensive
B
Diamond Quarter
0.63SI2F6433189CN · Oct 31
£1,687 GBP
View
8 more retailers have this diamond
Prices start from £720 GBPSave up to £967 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
£720 GBP