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Round|Natural|GIA

1.09ct F I1 Round Natural Diamond

GD • F/I1 • GIA 2165905387

Certificate GIA 2165905387

Diamond specifications and retailer prices

From €3,261 EUR
$3,657 USD
As of November 2, 2026
Save €1,302 EUR (29%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €4,563 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 F colour (colourless) and I1 clarity (included), with a standard cut grade and certified by GIA 2165905387. Listed at 6 retailers as of November 1, 2026, with prices from €3,261 to €4,563, a €1,302 spread on the same certified stone. Yorxs lists it at €4,563. 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
F
Color
I1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2165905387
Dimensions6.60 × 6.52 × 4.07 mm
L/W Ratio1.01
Star length55%
Lower girdle85%
Culet sizeNone
Top View
6.60 mm6.52 mm1.09 ctF / I1
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2165905387
Side View
Table 62.0%Crown 37.5°Girdle: MED-THKPavilion 41.4°Culet: NoneDepth 62.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €3,261 EUR|Low: €3,218 EUR|High: €4,596 EUR|Avg: €4,214 EUR|+1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Yorxs
November 1, 2026
Retailer 1€3,261 EUR
Retailer 2€4,233 EUR
Retailer 3€4,369 EUR
Retailer 4€4,369 EUR
Retailer 5€4,520 EUR
Yorxs€4,563 EUR

22 data points across 6 retailers

6 retailers€3,261 EUR to €4,563 EUR

B
Cheapest Retailer
-
€3,261 EUR
$3,657 USD
C
Retailer 2
-
€4,233 EUR
$4,748 USD
View
C
Retailer 3
-
€4,369 EUR
$4,900 USD
View
C
Retailer 4
-
€4,369 EUR
$4,900 USD
View
C
Retailer 5
-
€4,520 EUR
$5,070 USD
View
Most Expensive
C
Yorxs
230051757 · Nov 1
€4,563 EUR
View
5 more retailers have this diamond
Prices start from €3,261 EURSave up to €1,302 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
€3,261 EUR