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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 €5,372 EUR
SGD 8,111 SGD
As of October 30, 2026
Save €6,637 EUR (55%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €12,010 EUR at Diamond Quarter · As of October 31, 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 30, 2026, with prices from €5,372 to €12,010, a €6,637 spread on the same certified stone. Diamond Quarter lists it at €12,010. 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
Color
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 30
Current: €5,800 EUR|Low: €5,372 EUR|High: €7,550 EUR|Avg: €6,364 EUR|-8.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 3€5,372 EUR
Retailer 4€5,580 EUR
Retailer 1€5,800 EUR
Retailer 6€5,876 EUR
Retailer 5€6,518 EUR
Retailer 2€6,714 EUR
Retailer 7€7,448 EUR

46 data points across 7 retailers

8 retailers€5,372 EUR to €12,010 EUR

A
Cheapest Retailer
-
€5,372 EUR
SGD 8,111 SGD
A
Retailer 2
-
€5,580 EUR
$6,234 USD
View
A+
Retailer 3
-
€5,800 EUR
£5,102 GBP
View
A
Retailer 4
-
€5,876 EUR
MYR 26,741 MYR
View
A
Retailer 5
-
€6,518 EUR
$7,282 USD
View
A
Retailer 6
-
€6,714 EUR
A$11,540 AUD
View
A
Retailer 7
-
€7,448 EUR
SGD 11,245 SGD
View
Most Expensive
B
Diamond Quarter
1.09IFE65196568KG · Oct 31
€12,010 EUR
£10,565 GBP
View
7 more retailers have this diamond
Prices start from €5,372 EURSave up to €6,637 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
€5,372 EUR