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Round|Natural|IGI

0.30ct M VS1 Round Natural Diamond

EX • M/VS1 • IGI 365916328

Shape and cutting style on the report: Round brilliant

Certificate IGI 365916328

Diamond specifications and retailer prices

From £318 GBP
As of November 4, 2026
Save £311 GBP (49%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £629 GBP at Moon Ocean · As of November 6, 2026
View at Moon Ocean

About this 0.3ct natural round diamond

This 0.3ct natural round sits in the sub-half-carat band, graded M colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 365916328. Listed at 9 retailers as of November 4, 2026, with prices from £318 to £629, a £311 spread on the same certified stone. Moon Ocean lists it at £629. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.30
Carat
M
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.2°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 365916328
Dimensions4.30 × 4.33 × 2.68 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
4.30 mm4.33 mm0.30 ctM / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 365916328
Side View
Table 57.5%Crown 34.2°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £629 GBP|Low: £318 GBP|High: £1,219 GBP|Avg: £516 GBP|-0.8%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8£318 GBP
Retailer 4£343 GBP
Retailer 6£343 GBP
Retailer 5£367 GBP
Retailer 9£424 GBP
Retailer 3£482 GBP
Retailer 2£495 GBP
Moon Ocean£629 GBP
Retailer 7£1,219 GBP

43 data points across 9 retailers

9 retailers£318 GBP to £629 GBP

B
Cheapest Retailer
-
£318 GBP
Retailer 2
-
£343 GBP
View
Price last confirmed 8 days ago
B
Retailer 3
-
£343 GBP
View
B
Retailer 4
-
£367 GBP
View
B
Retailer 5
-
£415 GBP
View
B
Retailer 6
-
£482 GBP
View
B
Retailer 7
-
£495 GBP
View
Most Expensive
B
Moon Ocean
NVN-05CEF3295-328 · Nov 6
£629 GBP
View
7 more retailers have this diamond
Prices start from £318 GBPSave up to £311 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.

B
0.30ct Round
£318 GBP