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1.09ct E IF Round Natural Diamond

EX • E/IF • GIA 6501177019

Certificate GIA 6501177019

Diamond specifications and retailer prices

From €5,391 EUR
SGD 8,111 SGD
As of October 28, 2026
Save €6,661 EUR (55%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €12,052 EUR at Diamond Quarter · As of October 28, 2026
View at Diamond Quarter

About this 1.09ct natural round diamond

This 1.09ct natural round sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6501177019. Listed at 8 retailers as of October 28, 2026, with prices from €5,391 to €12,052, a €6,661 spread on the same certified stone. Diamond Quarter lists it at €12,052. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6501177019
Dimensions6.59 × 6.55 × 4.06 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.59 mm6.55 mm1.09 ctE / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6501177019
Side View
Table 59.0%Crown 35°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: €6,718 EUR|Low: €5,391 EUR|High: €7,577 EUR|Avg: €6,446 EUR|-9.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 2€5,391 EUR
Retailer 4€5,600 EUR
Retailer 3€5,785 EUR
Retailer 6€5,897 EUR
Retailer 5€6,541 EUR
Retailer 1€6,718 EUR
Retailer 7€7,474 EUR

46 data points across 7 retailers

8 retailers€5,391 EUR to €12,052 EUR

A
Cheapest Retailer
-
€5,391 EUR
SGD 8,111 SGD
A
Retailer 2
-
€5,600 EUR
$6,234 USD
View
A+
Retailer 3
-
€5,785 EUR
£5,071 GBP
View
A
Retailer 4
-
€5,897 EUR
MYR 26,741 MYR
View
A
Retailer 5
-
€6,541 EUR
$7,282 USD
View
A
Retailer 6
-
€6,718 EUR
A$11,507 AUD
View
A
Retailer 7
-
€7,474 EUR
SGD 11,245 SGD
View
Most Expensive
B
Diamond Quarter
1.09IFE65196568KG · Oct 28
€12,052 EUR
£10,565 GBP
View
7 more retailers have this diamond
Prices start from €5,391 EURSave up to €6,661 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.

A+
1.09ct Round
€5,391 EUR