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1.28ct D I1 Round Natural Diamond

GD • D/I1 • GIA 2185711745

Shape and cutting style on the report: European cut

Certificate GIA 2185711745

Diamond specifications and retailer prices

From €3,933 EUR
$4,394 USD
As of October 30, 2026
Save €1,647 EUR (30%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €5,580 EUR at Yorxs · As of October 31, 2026
View at Yorxs

About this 1.28ct natural round diamond

This 1.28ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and I1 clarity (included), with a standard cut grade and certified by GIA 2185711745. Listed at 2 retailers as of October 30, 2026, with prices from €3,933 to €5,580, a €1,647 spread on the same certified stone. Yorxs lists it at €5,580. 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

1.28
Carat
D
Color
I1
Clarity
Good
Cut

Specifications

CutGood
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2185711745
Dimensions6.89 × 6.73 × 4.24 mm
L/W Ratio1.02
Culet sizeLarge
Top View
6.89 mm6.73 mm1.28 ctD / I1
OriginNatural
CutGood
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 2185711745
Side View
Table 50.0%CrownGirdle: VTN-MEDPavilionCulet: LargeDepth 62.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: €3,933 EUR|Low: €3,933 EUR|High: €5,580 EUR|Avg: €4,745 EUR
Retailer 1
Yorxs
October 31, 2026
Retailer 1€3,933 EUR
Yorxs€5,580 EUR

9 data points across 2 retailers

2 retailers€3,933 EUR to €5,580 EUR

B
Cheapest Retailer
-
€3,933 EUR
$4,394 USD
Most Expensive
C
Yorxs
C3C5FBDA8 · Oct 31
€5,580 EUR
View
1 more retailer has this diamond
Prices start from €3,933 EURSave up to €1,647 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
1.28ct Round
€3,933 EUR