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0.31ct F I1 Round Natural Diamond

VG • F/I1 • IGI 485165849

Shape and cutting style on the report: Round brilliant

Certificate IGI 485165849

Diamond specifications and retailer prices

From $294 AUD
$206 USD
As of November 2, 2026
Save $1,035 AUD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,328 AUD 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 very-good cut grade and certified by IGI 485165849. Listed at 8 retailers as of November 2, 2026, with prices from $294 to $1,328, a $1,035 spread on the same certified stone. NZ Jewellers lists it at $1,328. 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

0.31
Carat
F
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishGood
SymmetryVery Good
FluorescenceNone
Crown angle37.4°
Pavilion angle40.5°
OriginNatural
Grading LabIGI
CertificateIGI 485165849
Dimensions4.26 × 4.28 × 2.69 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
4.26 mm4.28 mm0.31 ctF / I1
OriginNatural
CutVery Good
PolishGood
SymmetryVery Good
FluorescenceNone
CertificateIGI 485165849
Side View
Table 57.5%Crown 37.4°Girdle: UNDPavilion 40.5°Culet: NoneDepth 63.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $512 AUD|Low: $294 AUD|High: $515 AUD|Avg: $407 AUD|+3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 2$297 AUD
Retailer 3$385 AUD
Retailer 4$443 AUD
Retailer 1$512 AUD

13 data points across 4 retailers

8 retailers$294 AUD to $1,328 AUD

B+
Cheapest Retailer
-
$294 AUD
$206 USD
B+
Retailer 2
-
$315 AUD
$221 USD
View
B+
Retailer 3
-
$327 AUD
$229 USD
View
Retailer 4
-
$374 AUD
$262 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
$385 AUD
$270 USD
View
B+
Retailer 6
-
$395 AUD
$277 USD
View
B
Retailer 7
-
$512 AUD
€342 EUR
View
Most Expensive
C
NZ Jewellers
aa2c7983-d02a-4e31-b1cb-5b569127e32e · Nov 2
$1,328 AUD
$931 USD
View
7 more retailers have this diamond
Prices start from $294 AUDSave up to $1,035 AUD

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+
0.31ct Round
$294 AUD