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Round|Natural|GIA

1.00ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6425908649

Certificate GIA 6425908649

Diamond specifications and retailer prices

From €2,223 EUR
HK$19,400 HKD
As of October 30, 2026
Save €3,344 EUR (60%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €5,567 EUR at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6425908649. Listed at 19 retailers as of October 29, 2026, with prices from €2,223 to €5,567, a €3,344 spread on the same certified stone. Diamond Quarter lists it at €5,567. 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

1.00
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6425908649
Dimensions6.51 × 6.47 × 3.87 mm
L/W Ratio1.01
Top View
6.51 mm6.47 mm1.00 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6425908649
Side View
Table 60.0%Crown 32°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.6%

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 30
Current: €3,269 EUR|Low: €2,225 EUR|High: €5,177 EUR|Avg: €3,083 EUR|+0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 2€2,239 EUR
Retailer 3€2,708 EUR
Retailer 8€2,716 EUR
Retailer 6€2,749 EUR
Retailer 7€2,779 EUR
Retailer 9€2,823 EUR
Retailer 4€3,177 EUR
Retailer 1€3,269 EUR
Retailer 5€5,143 EUR

32 data points across 9 retailers

19 retailers€2,223 EUR to €5,567 EUR

Retailer 1
-
€2,100 EUR
$2,346 USD
Price last confirmed 17 days ago
A
Retailer 2
-
€2,223 EUR
HK$19,400 HKD
View
A
Retailer 3
-
€2,239 EUR
₹238,187 INR
View
A
Retailer 4
-
€2,612 EUR
$2,918 USD
View
A
Retailer 5
-
€2,708 EUR
£2,382 GBP
View
B+
Retailer 6
-
€2,716 EUR
$3,034 USD
View
A
Retailer 7
-
€2,749 EUR
$3,071 USD
View
Retailer 8
-
€2,779 EUR
$3,105 USD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
€2,823 EUR
$3,154 USD
View
Final sale: no returns
B+
Retailer 10
-
€3,059 EUR
$3,417 USD
View
B+
Retailer 11
-
€3,126 EUR
SGD 4,720 SGD
View
B+
Retailer 12
-
€3,177 EUR
$3,549 USD
View
B+
Retailer 13
-
€3,177 EUR
£2,795 GBP
View
B+
Retailer 14
-
€3,188 EUR
$3,562 USD
View
B+
Retailer 15
-
€3,269 EUR
View
B
Retailer 16
-
€4,009 EUR
$4,479 USD
View
B
Retailer 17
-
€5,143 EUR
£4,524 GBP
View
B
Retailer 18
-
€5,328 EUR
$5,953 USD
View
Most Expensive
B
Diamond Quarter
1.0SI2E6449B9CDN · Oct 29
€5,567 EUR
£4,897 GBP
View
18 more retailers have this diamond
Prices start from €2,223 EURSave up to €3,344 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
1.00ct Round
€2,223 EUR