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Round|Natural|GIA

3.17ct F SI1 Round Natural Diamond

GD • F/SI1 • GIA 5231194856

Certificate GIA 5231194856

Diamond specifications and retailer prices

From £29,896 GBP
As of November 1, 2026
Save £18,923 GBP (39%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £48,818 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 3.17ct natural round diamond

This 3.17ct natural round sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by GIA 5231194856. Listed at 5 retailers as of November 1, 2026, with prices from £29,896 to £48,818, a £18,923 spread on the same certified stone. MOH London lists it at £48,818. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.17
Carat
F
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceMedium
Crown angle36°
Pavilion angle42°
OriginNatural
Grading LabGIA
CertificateGIA 5231194856
Dimensions9.36 × 9.27 × 5.92 mm
L/W Ratio1.01
Star length55%
Lower girdle85%
Top View
9.36 mm9.27 mm3.17 ctF / SI1
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5231194856
Side View
Table 60.0%Crown 36°Girdle: THN-THKPavilion 42°Culet: NoneDepth 63.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: £48,818 GBP|Low: £29,766 GBP|High: £49,539 GBP|Avg: £35,896 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 4£29,896 GBP
Retailer 5£30,138 GBP
Retailer 2£30,971 GBP
Retailer 3£37,876 GBP
MOH London£48,818 GBP

44 data points across 5 retailers

5 retailers£29,896 GBP to £48,818 GBP

B+
Cheapest Retailer
-
£29,896 GBP
Retailer 2
-
£30,138 GBP
View
Price last confirmed 33 days ago
B+
Retailer 3
-
£30,971 GBP
View
B
Retailer 4
-
£37,876 GBP
View
Most Expensive
B
MOH London
90AE4D25C · Nov 4
£48,818 GBP
View
4 more retailers have this diamond
Prices start from £29,896 GBPSave up to £18,923 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.

B+
3.17ct Round
£29,896 GBP