Round|Natural|IGI

0.31ct K VS1 Round Natural Diamond

EX • K/VS1 • IGI 575383564

Shape and cutting style on the report: Round brilliant

Certificate IGI 575383564

Diamond specifications and retailer prices

From $307 AUD
As of November 1, 2026
Save $360 AUD (54%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,310 AUD at NZ Jewellers · As of October 23, 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 K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 575383564. Listed at 16 retailers as of November 1, 2026, with a 117% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.31
Carat
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.7°
Pavilion angle41.5°
OriginNatural
Grading LabIGI
CertificateIGI 575383564
Dimensions4.33 × 4.30 × 2.73 mm
L/W Ratio1.01
Culet sizePointed
Top View
4.33 mm4.30 mm0.31 ctK / VS1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 575383564
Side View
Table 58.0%Crown 36.7°Girdle: THN-MEDPavilion 41.5°Culet: NoneDepth 63.4%

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: $1,310 AUD|Low: $290 AUD|High: $1,310 AUD|Avg: $530 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 8$290 AUD
Retailer 10$291 AUD
Retailer 7$323 AUD
Retailer 9$390 AUD
Retailer 3$447 AUD
Retailer 6$447 AUD
Retailer 2$576 AUD
Retailer 4$591 AUD
Retailer 5$667 AUD
NZ Jewellers$1,310 AUD

39 data points across 10 retailers

16 retailers$307 AUD to $667 AUD

Retailer 1
-
$290 AUD
Price last confirmed 44 days ago
Retailer 2
-
$290 AUD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$307 AUD
View
Retailer 4
-
$311 AUD
View
Price last confirmed 21 days ago
Retailer 5
-
$323 AUD
View
Price last confirmed 16 days ago
Retailer 6
-
$390 AUD
View
Price last confirmed 45 days ago
Retailer 7
-
$390 AUD
View
Price last confirmed 14 days ago
B+
Retailer 8
-
$447 AUD
View
Retailer 9
-
$447 AUD
View
Price last confirmed 7 days ago
B+
Retailer 10
-
$474 AUD
View
B+
Retailer 11
-
$550 AUD
View
B+
Retailer 12
-
$576 AUD
View
B+
Retailer 13
-
$591 AUD
View
B
Retailer 14
-
$667 AUD
View
Retailer 15
-
$1,310 AUD
View
Price last confirmed 43 days ago
Most Expensive
NZ Jewellers
93d3a10b-1a72-4a91-8029-8cf64c3c8fdd · Oct 23
$1,310 AUD
$917 USD
View
Price last confirmed 14 days ago
15 more retailers have this diamond
Prices start from $307 AUDSave up to $360 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.

A
0.31ct Round
$307 AUD