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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 €194 EUR
HK$1,700 HKD
As of November 1, 2026
Save €811 EUR (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €1,005 EUR 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 €194 to €1,005, a €811 spread on the same certified stone. NZ Jewellers lists it at €1,005. 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: €379 EUR|Low: €194 EUR|High: €403 EUR|Avg: €305 EUR|+3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 5€194 EUR
Retailer 2€231 EUR
Retailer 4€296 EUR
Retailer 6€335 EUR
Retailer 1€379 EUR
Retailer 3€403 EUR

18 data points across 6 retailers

9 retailers€194 EUR to €1,005 EUR

A
Cheapest Retailer
-
€194 EUR
HK$1,700 HKD
A
Retailer 2
-
€222 EUR
$249 USD
View
A
Retailer 3
-
€239 EUR
$268 USD
View
A
Retailer 4
-
€247 EUR
$277 USD
View
B+
Retailer 5
-
€296 EUR
$332 USD
View
B+
Retailer 6
-
€299 EUR
$335 USD
View
B+
Retailer 7
-
€379 EUR
View
B+
Retailer 8
-
€403 EUR
$452 USD
View
Most Expensive
B
NZ Jewellers
3671de0a-6a2b-4322-9282-37abb066de32 · Nov 2
€1,005 EUR
$1,127 USD
View
8 more retailers have this diamond
Prices start from €194 EURSave up to €811 EUR

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
€194 EUR