Round|Natural|GIA

0.30ct M VS1 Round Natural Diamond

EX • M/VS1 • GIA 6137481300

Certificate GIA 6137481300

Diamond specifications and retailer prices

From £129 GBP
As of November 6, 2026
Save £189 GBP (60%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £846 GBP at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

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 GIA 6137481300. Listed at 9 retailers as of November 2, 2026, with a 147% 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

0.30
Carat
M
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6137481300
Dimensions4.29 × 4.31 × 2.68 mm
L/W Ratio1.00
Top View
4.29 mm4.31 mm0.30 ctM / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6137481300
Side View
Table 56.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 62.3%

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 6
Current: £846 GBP|Low: £129 GBP|High: £846 GBP|Avg: £311 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2£129 GBP
Retailer 8£186 GBP
Retailer 7£201 GBP
Retailer 6£208 GBP
Retailer 9£251 GBP
Retailer 5£287 GBP
Retailer 10£317 GBP
Retailer 3£318 GBP
Retailer 4£371 GBP
NZ Jewellers£846 GBP

42 data points across 10 retailers

9 retailers£129 GBP to £318 GBP

A
Cheapest Retailer
-
£129 GBP
Retailer 2
-
£186 GBP
View
Price last confirmed 15 days ago
Retailer 3
-
£201 GBP
View
Price last confirmed 21 days ago
Retailer 4
-
£208 GBP
View
Price last confirmed 15 days ago
Retailer 5
-
£251 GBP
View
Price last confirmed 17 days ago
Retailer 6
-
£283 GBP
View
Price last confirmed 19 days ago
Retailer 7
-
£287 GBP
View
Price last confirmed 16 days ago
B
Retailer 8
-
£318 GBP
View
Most Expensive
NZ Jewellers
20971f20-d0a6-43c9-9bdd-85984389fb6e · Oct 20
£846 GBP
$1,138 USD
View
Price under review
8 more retailers have this diamond
Prices start from £129 GBPSave up to £189 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
0.30ct Round
£129 GBP