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 $215 USD
As of November 1, 2026
Save $252 USD (54%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $917 USD 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
Color
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

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $917 USD|Low: $203 USD|High: $917 USD|Avg: $371 USD
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$203 USD
Retailer 10$204 USD
Retailer 7$226 USD
Retailer 9$273 USD
Retailer 3$313 USD
Retailer 6$313 USD
Retailer 2$403 USD
Retailer 4$414 USD
Retailer 5$467 USD
NZ Jewellers$917 USD

39 data points across 10 retailers

16 retailers$215 USD to $467 USD

Retailer 1
-
$203 USD
Price last confirmed 44 days ago
Retailer 2
-
$203 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$215 USD
View
Retailer 4
-
$218 USD
View
Price last confirmed 21 days ago
Retailer 5
-
$226 USD
View
Price last confirmed 16 days ago
Retailer 6
-
$273 USD
View
Price last confirmed 45 days ago
Retailer 7
-
$273 USD
View
Price last confirmed 14 days ago
B+
Retailer 8
-
$313 USD
View
Retailer 9
-
$313 USD
View
Price last confirmed 7 days ago
B+
Retailer 10
-
$332 USD
View
B+
Retailer 11
-
$385 USD
View
B+
Retailer 12
-
$403 USD
View
B+
Retailer 13
-
$414 USD
View
B
Retailer 14
-
$467 USD
View
Retailer 15
-
$917 USD
View
Price last confirmed 43 days ago
Most Expensive
NZ Jewellers
93d3a10b-1a72-4a91-8029-8cf64c3c8fdd · Oct 23
$917 USD
View
Price last confirmed 14 days ago
15 more retailers have this diamond
Prices start from $215 USDSave up to $252 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
$215 USD