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 £160 GBP
As of November 1, 2026
Save £187 GBP (54%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £681 GBP 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £681 GBP|Low: £151 GBP|High: £681 GBP|Avg: £276 GBP
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£151 GBP
Retailer 10£152 GBP
Retailer 7£168 GBP
Retailer 9£203 GBP
Retailer 3£233 GBP
Retailer 6£233 GBP
Retailer 2£299 GBP
Retailer 4£308 GBP
Retailer 5£347 GBP
NZ Jewellers£681 GBP

39 data points across 10 retailers

16 retailers£160 GBP to £347 GBP

Retailer 1
-
£151 GBP
Price last confirmed 44 days ago
Retailer 2
-
£151 GBP
View
Price last confirmed 15 days ago
A
Retailer 3
-
£160 GBP
View
Retailer 4
-
£162 GBP
View
Price last confirmed 21 days ago
Retailer 5
-
£168 GBP
View
Price last confirmed 16 days ago
Retailer 6
-
£203 GBP
View
Price last confirmed 45 days ago
Retailer 7
-
£203 GBP
View
Price last confirmed 14 days ago
B+
Retailer 8
-
£233 GBP
View
Retailer 9
-
£233 GBP
View
Price last confirmed 7 days ago
B+
Retailer 10
-
£247 GBP
View
B+
Retailer 11
-
£286 GBP
View
B+
Retailer 12
-
£299 GBP
View
B+
Retailer 13
-
£308 GBP
View
B
Retailer 14
-
£347 GBP
View
Retailer 15
-
£681 GBP
View
Price last confirmed 43 days ago
Most Expensive
NZ Jewellers
93d3a10b-1a72-4a91-8029-8cf64c3c8fdd · Oct 23
£681 GBP
$917 USD
View
Price last confirmed 14 days ago
15 more retailers have this diamond
Prices start from £160 GBPSave up to £187 GBP

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
£160 GBP