CaratHunter
Plans
Round|Natural|GIA

1.00ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 3455453944

Certificate GIA 3455453944

Diamond specifications and retailer prices

From €2,013 EUR
As of November 6, 2026
Save €3,401 EUR (63%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €5,413 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3455453944. Listed at 22 retailers as of November 5, 2026, with prices from €2,013 to €5,413, a €3,401 spread on the same certified stone. NZ Jewellers lists it at €5,413. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 3455453944
Dimensions6.38 × 6.32 × 3.99 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.38 mm6.32 mm1.00 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 3455453944
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.2%

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: Nov 6
Current: €2,409 EUR|Low: €1,867 EUR|High: €4,382 EUR|Avg: €2,664 EUR|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8€2,013 EUR
Retailer 4€2,027 EUR
Retailer 6€2,165 EUR
Retailer 1€2,409 EUR
Retailer 7€2,436 EUR
Retailer 2€2,725 EUR
Retailer 3€2,825 EUR
Retailer 5€4,330 EUR

43 data points across 8 retailers

22 retailers€2,013 EUR to €5,413 EUR

Retailer 1
-
€1,929 EUR
Price last confirmed 26 days ago
A
Retailer 2
-
€2,013 EUR
View
A
Retailer 3
-
€2,027 EUR
View
A
Retailer 4
-
€2,058 EUR
View
B+
Retailer 5
-
€2,101 EUR
View
B+
Retailer 6
-
€2,165 EUR
View
Final sale: no returns
B+
Retailer 7
-
€2,177 EUR
View
Retailer 8
-
€2,346 EUR
View
Price last confirmed 8 days ago
B+
Retailer 9
-
€2,346 EUR
View
B+
Retailer 10
-
€2,380 EUR
View
B+
Retailer 11
-
€2,409 EUR
View
B+
Retailer 12
-
€2,436 EUR
View
B
Retailer 13
-
€2,682 EUR
View
B
Retailer 14
-
€2,682 EUR
View
B
Retailer 15
-
€2,707 EUR
View
B+
Retailer 16
-
€2,725 EUR
View
B
Retailer 17
-
€2,771 EUR
View
B+
Retailer 18
-
€2,825 EUR
View
Retailer 19
-
€3,007 EUR
View
Price last confirmed 14 days ago
B
Retailer 20
-
€4,330 EUR
View
B
Retailer 21
-
€5,320 EUR
View
Most Expensive
B
NZ Jewellers
bcb0ac1b-07bb-4a7d-b9c3-dcd4980bfa5b · Nov 5
€5,413 EUR
$6,076 USD
View
21 more retailers have this diamond
Prices start from €2,013 EURSave up to €3,401 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
€2,013 EUR