Round|Natural|GIA

0.43ct M VS1 Round Natural Diamond

EX • M/VS1 • GIA 6491136551

Certificate GIA 6491136551

Diamond specifications and retailer prices

From £163 GBP
As of November 6, 2026
Save £230 GBP (58%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £917 GBP at NZ Jewellers · As of September 28, 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 GIA 6491136551. Listed at 11 retailers as of November 5, 2026, with a 141% 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°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6491136551
Dimensions4.83 × 4.85 × 3.01 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Cloud, Needle, Pinpoint
Top View
4.83 mm4.85 mm0.43 ctM / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6491136551
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £163 GBP|Low: £163 GBP|High: £405 GBP|Avg: £325 GBP|-8.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 1£163 GBP
Retailer 7£199 GBP
Retailer 8£258 GBP
Retailer 4£325 GBP
Retailer 3£355 GBP
Retailer 6£377 GBP
Retailer 2£386 GBP
Retailer 5£394 GBP

45 data points across 8 retailers

11 retailers£163 GBP to £394 GBP

A
Cheapest Retailer
-
£163 GBP
A
Retailer 2
-
£199 GBP
View
Retailer 3
-
£239 GBP
View
Price last confirmed 36 days ago
Retailer 4
-
£267 GBP
View
Price last confirmed 38 days ago
Retailer 5
-
£322 GBP
View
Price last confirmed 38 days ago
B+
Retailer 6
-
£325 GBP
View
B+
Retailer 7
-
£355 GBP
View
B+
Retailer 8
-
£377 GBP
View
B+
Retailer 9
-
£386 GBP
View
B+
Retailer 10
-
£394 GBP
View
Most Expensive
NZ Jewellers
c302209c-4bd1-43b0-9734-10cc539f590f · Sep 28
£917 GBP
$1,234 USD
View
Price last confirmed 39 days ago
10 more retailers have this diamond
Prices start from £163 GBPSave up to £230 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
0.43ct Round
£163 GBP