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Round|Natural|IGI

0.43ct M VS1 Round Natural Diamond

EX • M/VS1 • IGI 151501738

Shape and cutting style on the report: Round brilliant

Certificate IGI 151501738

Diamond specifications and retailer prices

From £357 GBP
As of November 4, 2026
Save £198 GBP (36%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,366 GBP at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.43ct natural round diamond

This 0.43ct 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 151501738. Listed at 9 retailers as of November 4, 2026, with a 56% 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

0.43
Carat
M
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 151501738
Dimensions4.82 × 4.84 × 3.00 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
4.82 mm4.84 mm0.43 ctM / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 151501738
Side View
Table 58.5%Crown 35.8°Girdle: MediumPavilion 40.7°Culet: NoneDepth 62.1%

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 4
Current: £1,366 GBP|Low: £357 GBP|High: £1,366 GBP|Avg: £550 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 5£357 GBP
Retailer 4£384 GBP
Retailer 7£384 GBP
Retailer 6£412 GBP
Retailer 9£454 GBP
Retailer 8£459 GBP
Retailer 2£533 GBP
Retailer 3£555 GBP
Retailer 10£576 GBP
NZ Jewellers£1,366 GBP

24 data points across 10 retailers

9 retailers£357 GBP to £555 GBP

B+
Cheapest Retailer
-
£357 GBP
Retailer 2
-
£384 GBP
View
Price last confirmed 8 days ago
B+
Retailer 3
-
£384 GBP
View
B
Retailer 4
-
£412 GBP
View
B
Retailer 5
-
£454 GBP
View
B
Retailer 6
-
£509 GBP
View
B
Retailer 7
-
£533 GBP
View
B
Retailer 8
-
£555 GBP
View
Most Expensive
NZ Jewellers
d573e3a0-4ce9-47f2-b21d-58c16060f8c3 · Nov 4
£1,366 GBP
$1,839 USD
View
Price under review
8 more retailers have this diamond
Prices start from £357 GBPSave up to £198 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+
0.43ct Round
£357 GBP