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Round|Natural|GIA

0.31ct F I1 Round Natural Diamond

EX • F/I1 • GIA 2506715723

Certificate GIA 2506715723

Diamond specifications and retailer prices

From £162 GBP
HK$1,700 HKD
As of November 1, 2026
Save £679 GBP (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £841 GBP at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 0.31ct natural round diamond

This 0.31ct natural round sits in the sub-half-carat band, graded F colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 2506715723. Listed at 9 retailers as of November 1, 2026, with prices from £162 to £841, a £679 spread on the same certified stone. NZ Jewellers lists it at £841. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.31
Carat
F
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2506715723
Dimensions4.34 × 4.37 × 2.72 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
4.34 mm4.37 mm0.31 ctF / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2506715723
Side View
Table 54.0%Crown 33.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.4%

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: £317 GBP|Low: £162 GBP|High: £337 GBP|Avg: £255 GBP|+3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 5£162 GBP
Retailer 2£193 GBP
Retailer 4£248 GBP
Retailer 6£280 GBP
Retailer 1£317 GBP
Retailer 3£337 GBP

19 data points across 6 retailers

9 retailers£162 GBP to £841 GBP

A
Cheapest Retailer
-
£162 GBP
HK$1,700 HKD
A
Retailer 2
-
£186 GBP
$249 USD
View
A
Retailer 3
-
£200 GBP
$268 USD
View
A
Retailer 4
-
£207 GBP
$277 USD
View
B+
Retailer 5
-
£248 GBP
$332 USD
View
B+
Retailer 6
-
£250 GBP
$335 USD
View
B+
Retailer 7
-
£317 GBP
€405 EUR
View
B+
Retailer 8
-
£337 GBP
$452 USD
View
Most Expensive
B
NZ Jewellers
3671de0a-6a2b-4322-9282-37abb066de32 · Nov 2
£841 GBP
$1,127 USD
View
8 more retailers have this diamond
Prices start from £162 GBPSave up to £679 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
0.31ct Round
£162 GBP