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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 $218 USD
HK$1,700 HKD
As of November 1, 2026
Save $909 USD (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,127 USD at NZ Jewellers · As of October 30, 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 October 30, 2026, with prices from $218 to $1,127, a $909 spread on the same certified stone. NZ Jewellers lists it at $1,127. 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
Color
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: $425 USD|Low: $218 USD|High: $452 USD|Avg: $342 USD|+3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 5$218 USD
Retailer 2$259 USD
Retailer 4$332 USD
Retailer 6$376 USD
Retailer 1$425 USD
Retailer 3$452 USD

19 data points across 6 retailers

9 retailers$218 USD to $1,127 USD

A
Cheapest Retailer
-
$218 USD
HK$1,700 HKD
A
Retailer 2
-
$249 USD
View
A
Retailer 3
-
$268 USD
View
A
Retailer 4
-
$277 USD
View
B+
Retailer 5
-
$332 USD
View
B+
Retailer 6
-
$335 USD
View
B+
Retailer 7
-
$425 USD
€405 EUR
View
B+
Retailer 8
-
$452 USD
View
Most Expensive
B
NZ Jewellers
3671de0a-6a2b-4322-9282-37abb066de32 · Oct 30
$1,127 USD
View
8 more retailers have this diamond
Prices start from $218 USDSave up to $909 USD

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
$218 USD