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Radiant|Natural|GIA

1.00ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 6561316197

Certificate GIA 6561316197

Diamond specifications and retailer prices

From €1,342 EUR
As of November 6, 2026
Save €3,053 EUR (69%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €4,395 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 6561316197. Listed at 20 retailers as of November 5, 2026, with prices from €1,342 to €4,395, a €3,053 spread on the same certified stone. NZ Jewellers lists it at €4,395. 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
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6561316197
Dimensions6.96 × 4.98 × 3.24 mm
L/W Ratio1.40
Girdle conditionPolished
Culet sizeNone
Key to symbols
Feather, Crystal
Top View
6.96 mm4.98 mm1.00 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6561316197
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 65.1%

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: €4,395 EUR|Low: €1,342 EUR|High: €4,395 EUR|Avg: €2,118 EUR|+8.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 7, 2026
Retailer 13€1,342 EUR
Retailer 3€1,422 EUR
Retailer 19€1,628 EUR
Retailer 2€1,657 EUR
Retailer 14€1,747 EUR
Retailer 17€1,802 EUR
Retailer 10€1,853 EUR
Retailer 11€1,867 EUR
Retailer 5€1,885 EUR
Retailer 6€1,903 EUR
Retailer 4€1,951 EUR
Retailer 12€1,957 EUR
Retailer 18€1,970 EUR
Retailer 7€2,079 EUR
Retailer 8€2,131 EUR
Retailer 16€2,199 EUR
Retailer 15€2,295 EUR
Retailer 9€3,213 EUR
NZ Jewellers€4,395 EUR

15 data points across 19 retailers

20 retailers€1,342 EUR to €4,395 EUR

A
Cheapest Retailer
-
€1,342 EUR
A
Retailer 2
-
€1,422 EUR
View
Final sale: no returns
A
Retailer 3
-
€1,628 EUR
View
A
Retailer 4
-
€1,657 EUR
View
A
Retailer 5
-
€1,747 EUR
View
A
Retailer 6
-
€1,802 EUR
View
B+
Retailer 7
-
€1,853 EUR
View
Retailer 8
-
€1,867 EUR
View
Price last confirmed 9 days ago
B+
Retailer 9
-
€1,885 EUR
View
B+
Retailer 10
-
€1,903 EUR
View
B+
Retailer 11
-
€1,951 EUR
View
B+
Retailer 12
-
€1,957 EUR
View
B+
Retailer 13
-
€1,970 EUR
View
B+
Retailer 14
-
€2,079 EUR
View
B+
Retailer 15
-
€2,131 EUR
View
B+
Retailer 16
-
€2,199 EUR
View
B+
Retailer 17
-
€2,295 EUR
View
Retailer 18
-
€2,376 EUR
View
Price last confirmed 32 days ago
B
Retailer 19
-
€3,213 EUR
View
Most Expensive
C
NZ Jewellers
32f8e95e-c1fe-4f39-94d1-242cce4ae019 · Nov 5
€4,395 EUR
$4,907 USD
View
19 more retailers have this diamond
Prices start from €1,342 EURSave up to €3,053 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
€1,342 EUR