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Radiant|Natural|GIA

1.00ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 6565543343

Certificate GIA 6565543343

Diamond specifications and retailer prices

From €1,364 EUR
As of November 6, 2026
Save €2,457 EUR (64%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €3,821 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565543343. Listed at 11 retailers as of November 5, 2026, with prices from €1,364 to €3,821, a €2,457 spread on the same certified stone. NZ Jewellers lists it at €3,821. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565543343
Dimensions6.86 × 5.09 × 3.41 mm
L/W Ratio1.35
Girdle conditionThick to Very Thick
Key to symbols
Cloud
Top View
6.86 mm5.09 mm1.00 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565543343
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 66.9%

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: €3,821 EUR|Low: €1,352 EUR|High: €4,090 EUR|Avg: €2,176 EUR|-6.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 10€1,364 EUR
Retailer 5€1,375 EUR
Retailer 3€1,457 EUR
Retailer 11€1,708 EUR
Retailer 6€1,773 EUR
Retailer 9€1,828 EUR
Retailer 7€1,904 EUR
Retailer 8€1,912 EUR
Retailer 4€2,275 EUR
Retailer 2€3,185 EUR
NZ Jewellers€3,821 EUR

30 data points across 11 retailers

11 retailers€1,364 EUR to €3,821 EUR

A
Cheapest Retailer
-
€1,364 EUR
A
Retailer 2
-
€1,375 EUR
View
A
Retailer 3
-
€1,457 EUR
View
Final sale: no returns
A
Retailer 4
-
€1,708 EUR
View
A
Retailer 5
-
€1,773 EUR
View
B+
Retailer 6
-
€1,828 EUR
View
B+
Retailer 7
-
€1,904 EUR
View
B+
Retailer 8
-
€1,912 EUR
View
B+
Retailer 9
-
€2,275 EUR
View
B
Retailer 10
-
€3,185 EUR
View
Most Expensive
B
NZ Jewellers
33f5e68e-b589-4ad0-94de-49f37a5de311 · Nov 5
€3,821 EUR
$4,266 USD
View
10 more retailers have this diamond
Prices start from €1,364 EURSave up to €2,457 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 Radiant
€1,364 EUR