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Round|Natural|GIA

1.00ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2434111237

Certificate GIA 2434111237

Diamond specifications and retailer prices

From €1,865 EUR
As of November 6, 2026
Save €3,516 EUR (65%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €5,380 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2434111237. Listed at 19 retailers as of November 5, 2026, with prices from €1,865 to €5,380, a €3,516 spread on the same certified stone. NZ Jewellers lists it at €5,380. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2434111237
Dimensions6.53 × 6.50 × 3.85 mm
L/W Ratio1.00
Top View
6.53 mm6.50 mm1.00 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2434111237
Side View
Table 60.0%Crown 33°Girdle: MediumPavilion 40.8°Culet: NoneDepth 59.1%

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: €1,865 EUR|Low: €1,803 EUR|High: €4,355 EUR|Avg: €2,594 EUR|-2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 1€1,865 EUR
Retailer 7€1,892 EUR
Retailer 9€2,284 EUR
Retailer 8€2,304 EUR
Retailer 10€2,374 EUR
Retailer 3€2,629 EUR
Retailer 2€2,672 EUR
Retailer 4€2,708 EUR
Retailer 6€2,924 EUR
Retailer 5€4,292 EUR

42 data points across 10 retailers

19 retailers€1,865 EUR to €5,380 EUR

A
Cheapest Retailer
-
€1,865 EUR
A
Retailer 2
-
€1,892 EUR
View
B+
Retailer 3
-
€2,197 EUR
View
B+
Retailer 4
-
€2,284 EUR
View
B+
Retailer 5
-
€2,304 EUR
View
B+
Retailer 6
-
€2,374 EUR
View
Final sale: no returns
B+
Retailer 7
-
€2,454 EUR
View
B+
Retailer 8
-
€2,573 EUR
View
Retailer 9
-
€2,573 EUR
View
Price last confirmed 8 days ago
B+
Retailer 10
-
€2,629 EUR
View
Retailer 11
-
€2,659 EUR
View
Price last confirmed 109 days ago
B+
Retailer 12
-
€2,672 EUR
View
B
Retailer 13
-
€2,700 EUR
View
B+
Retailer 14
-
€2,708 EUR
View
B+
Retailer 15
-
€2,924 EUR
View
B
Retailer 16
-
€2,970 EUR
View
B
Retailer 17
-
€3,103 EUR
View
B
Retailer 18
-
€4,292 EUR
View
Most Expensive
B
NZ Jewellers
2eb25f1f-469e-43b5-9c22-8be582780b0b · Nov 5
€5,380 EUR
$6,039 USD
View
18 more retailers have this diamond
Prices start from €1,865 EURSave up to €3,516 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
€1,865 EUR