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Round|Natural|GIA

1.00ct M I1 Round Natural Diamond

GD • M/I1 • GIA 1478188764

Certificate GIA 1478188764

Diamond specifications and retailer prices

From €821 EUR
As of November 4, 2026
Save €585 EUR (42%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €1,406 EUR at Yorxs · As of November 5, 2026
View at Yorxs

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded M colour (faint-tinted) and I1 clarity (included), with a standard cut grade and certified by GIA 1478188764. Listed at 3 retailers as of November 4, 2026, with prices from €821 to €1,406, a €585 spread on the same certified stone. Yorxs lists it at €1,406. 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

1.00
Carat
M
Colour
I1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle37°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1478188764
Dimensions6.20 × 6.27 × 4.05 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Key to symbols
Twinning Wisp, Cavity, Feather, Crystal, Indented Natural, Needle, Natural
Top View
6.20 mm6.27 mm1.00 ctM / I1
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1478188764
Side View
Table 58.0%Crown 37°GirdlePavilion 41.2°Culet: NoneDepth 65.0%

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: €821 EUR|Low: €809 EUR|High: €1,424 EUR|Avg: €1,157 EUR|+1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Yorxs
November 5, 2026
Retailer 1€821 EUR
Retailer 2€1,048 EUR
Retailer 3€1,161 EUR
Retailer 4€1,301 EUR
Yorxs€1,406 EUR

19 data points across 5 retailers

3 retailers€821 EUR to €1,406 EUR

B+
Cheapest Retailer
-
€821 EUR
B
Retailer 2
-
€1,048 EUR
View
Most Expensive
C
Yorxs
596850276 · Nov 5
€1,406 EUR
View
2 more retailers have this diamond
Prices start from €821 EURSave up to €585 EUR

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+
1.00ct Round
€821 EUR