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Round|Natural|GIA

1.09ct E I1 Round Natural Diamond

VG • E/I1 • GIA 5231283359

Certificate GIA 5231283359

Diamond specifications and retailer prices

From €2,109 EUR
$2,356 USD
As of October 31, 2026
Save €1,001 EUR (32%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €3,110 EUR at Yorxs · As of November 1, 2026
View at Yorxs

About this 1.09ct natural round diamond

This 1.09ct natural round sits in the classic one-carat band, graded E colour (colourless) and I1 clarity (included), with a very-good cut grade and certified by GIA 5231283359. Listed at 2 retailers as of October 31, 2026, with prices from €2,109 to €3,110, a €1,001 spread on the same certified stone. Yorxs lists it at €3,110. 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

1.09
Carat
E
Color
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 5231283359
Dimensions6.53 × 6.62 × 4.05 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
6.53 mm6.62 mm1.09 ctE / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5231283359
Side View
Table 62.0%Crown 33.5°Girdle: STK-THKPavilion 41.8°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: €2,109 EUR|Low: €2,109 EUR|High: €3,522 EUR|Avg: €2,841 EUR|-9.5%
Retailer 1
Retailer 2
Yorxs
November 1, 2026
Retailer 1€2,109 EUR
Retailer 2€2,930 EUR
Yorxs€3,110 EUR

20 data points across 3 retailers

2 retailers€2,109 EUR to €3,110 EUR

B+
Cheapest Retailer
-
€2,109 EUR
$2,356 USD
Most Expensive
B
Yorxs
70282D2A1 · Nov 1
€3,110 EUR
View
1 more retailer has this diamond
Prices start from €2,109 EURSave up to €1,001 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+
1.09ct Round
€2,109 EUR