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Round|Natural|GIA

1.09ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2245042567

Certificate GIA 2245042567

Diamond specifications and retailer prices

From €1,925 EUR
HK$16,800 HKD
As of October 31, 2026
Save €3,543 EUR (65%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €5,468 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.09ct natural round diamond

This 1.09ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2245042567. Listed at 12 retailers as of October 30, 2026, with prices from €1,925 to €5,468, a €3,543 spread on the same certified stone. NZ Jewellers lists it at €5,468. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.09
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2245042567
Dimensions6.49 × 6.54 × 4.08 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather, Needle
Top View
6.49 mm6.54 mm1.09 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2245042567
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
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 31
Current: €5,468 EUR|Low: €1,913 EUR|High: €5,605 EUR|Avg: €3,102 EUR|+15.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 5€1,925 EUR
Retailer 8€2,287 EUR
Retailer 2€2,357 EUR
Retailer 6€2,524 EUR
Retailer 11€2,615 EUR
Retailer 3€2,682 EUR
Retailer 10€2,717 EUR
Retailer 12€2,841 EUR
Retailer 7€3,072 EUR
Retailer 4€4,013 EUR
Retailer 9€4,398 EUR
NZ Jewellers€5,468 EUR

28 data points across 12 retailers

12 retailers€1,925 EUR to €5,468 EUR

A
Cheapest Retailer
-
€1,925 EUR
HK$16,800 HKD
A
Retailer 2
-
€2,287 EUR
View
A
Retailer 3
-
€2,357 EUR
$2,633 USD
View
A
Retailer 4
-
€2,524 EUR
£2,221 GBP
View
A
Retailer 5
-
€2,615 EUR
$2,922 USD
View
A
Retailer 6
-
€2,682 EUR
SGD 4,049 SGD
View
A
Retailer 7
-
€2,717 EUR
$3,035 USD
View
A
Retailer 8
-
€2,841 EUR
$3,174 USD
View
A
Retailer 9
-
€3,072 EUR
View
Retailer 10
-
€4,013 EUR
View
Price last confirmed 10 days ago
B+
Retailer 11
-
€4,398 EUR
£3,869 GBP
View
Most Expensive
B
NZ Jewellers
4708152d-5e3d-4a33-9040-4d3188f0d887 · Oct 30
€5,468 EUR
$6,109 USD
View
11 more retailers have this diamond
Prices start from €1,925 EURSave up to €3,543 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
€1,925 EUR