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Radiant|Natural|GIA

1.00ct J SI1 Radiant Natural Diamond

ID • J/SI1 • GIA 7453410385

Certificate GIA 7453410385

Diamond specifications and retailer prices

From €1,009 EUR
As of November 6, 2026
Save €2,119 EUR (68%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €3,128 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 J 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 7453410385. Listed at 25 retailers as of November 5, 2026, with prices from €1,009 to €3,128, a €2,119 spread on the same certified stone. NZ Jewellers lists it at €3,128. 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
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.01°
Pavilion angle54.52°
OriginNatural
Grading LabGIA
CertificateGIA 7453410385
Dimensions6.61 × 5.09 × 3.55 mm
L/W Ratio1.30
Top View
6.61 mm5.09 mm1.00 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7453410385
Side View
Table 67.0%Crown 40.01°Girdle: MED-STKPavilion 54.52°Culet: NoneDepth 69.7%

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: €1,415 EUR|Low: €1,009 EUR|High: €2,270 EUR|Avg: €1,468 EUR|+1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 3€1,009 EUR
Retailer 6€1,010 EUR
Retailer 12€1,129 EUR
Retailer 5€1,189 EUR
Retailer 7€1,243 EUR
Retailer 2€1,253 EUR
Retailer 8€1,404 EUR
Retailer 4€1,412 EUR
Retailer 1€1,415 EUR
Retailer 10€1,565 EUR
Retailer 9€1,776 EUR
Retailer 11€2,240 EUR

27 data points across 12 retailers

25 retailers€1,009 EUR to €3,128 EUR

A
Cheapest Retailer
-
€1,009 EUR
A
Retailer 2
-
€1,010 EUR
View
A
Retailer 3
-
€1,129 EUR
View
A
Retailer 4
-
€1,183 EUR
View
Final sale: no returns
A
Retailer 5
-
€1,189 EUR
View
A
Retailer 6
-
€1,243 EUR
View
A
Retailer 7
-
€1,253 EUR
View
Retailer 8
-
€1,283 EUR
View
Price last confirmed 9 days ago
A
Retailer 9
-
€1,283 EUR
View
A
Retailer 10
-
€1,326 EUR
View
A
Retailer 11
-
€1,342 EUR
View
A
Retailer 12
-
€1,370 EUR
View
B+
Retailer 13
-
€1,403 EUR
View
B+
Retailer 14
-
€1,404 EUR
View
A
Retailer 15
-
€1,412 EUR
View
B+
Retailer 16
-
€1,415 EUR
View
B+
Retailer 17
-
€1,421 EUR
View
B+
Retailer 18
-
€1,422 EUR
View
B+
Retailer 19
-
€1,480 EUR
View
B+
Retailer 20
-
€1,565 EUR
View
Retailer 21
-
€1,673 EUR
View
Price last confirmed 33 days ago
B+
Retailer 22
-
€1,776 EUR
View
B
Retailer 23
-
€1,890 EUR
View
B
Retailer 24
-
€2,240 EUR
View
Most Expensive
B
NZ Jewellers
ecfbdb91-2f60-416a-b625-deba8701c916 · Nov 5
€3,128 EUR
$3,492 USD
View
24 more retailers have this diamond
Prices start from €1,009 EURSave up to €2,119 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
€1,009 EUR