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Round|Natural|GIA

0.51ct M I1 Round Natural Diamond

VG • M/I1 • GIA 2327550785

Certificate GIA 2327550785

Diamond specifications and retailer prices

From £351 GBP
As of November 6, 2026
Save £171 GBP (33%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £523 GBP at Yorxs · As of November 4, 2026
View at Yorxs

About this 0.51ct natural round diamond

This 0.51ct natural round sits in the half to three-quarter carat band, graded M colour (faint-tinted) and I1 clarity (included), with a very-good cut grade and certified by GIA 2327550785. Listed at 2 retailers as of November 4, 2026, with prices from £351 to £523, a £171 spread on the same certified stone. Yorxs lists it at £523. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
M
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2327550785
Dimensions5.02 × 4.99 × 3.21 mm
L/W Ratio1.01
Top View
5.02 mm4.99 mm0.51 ctM / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2327550785
Side View
Table 59.0%CrownGirdlePavilionCulet: NoneDepth 64.2%

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 6
Current: £351 GBP|Low: £351 GBP|High: £526 GBP|Avg: £432 GBP
Retailer 1
Retailer 2
Yorxs
November 2, 2026
Retailer 1£351 GBP
Retailer 2£423 GBP
Yorxs£523 GBP

7 data points across 3 retailers

2 retailers£351 GBP to £523 GBP

B
Cheapest Retailer
-
£351 GBP
Most Expensive
C
Yorxs
0870087C1 · Nov 4
£523 GBP
€670 EUR
View
1 more retailer has this diamond
Prices start from £351 GBPSave up to £171 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
0.51ct Round
£351 GBP