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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 €1,008 EUR
HK$8,800 HKD
As of October 31, 2026
Save €2,117 EUR (68%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €3,126 EUR at NZ Jewellers · As of October 30, 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 October 30, 2026, with prices from €1,008 to €3,126, a €2,117 spread on the same certified stone. NZ Jewellers lists it at €3,126. 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
Color
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: Oct 31
Current: €1,417 EUR|Low: €1,008 EUR|High: €2,272 EUR|Avg: €1,474 EUR|+2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 3€1,008 EUR
Retailer 2€1,019 EUR
Retailer 9€1,182 EUR
Retailer 6€1,254 EUR
Retailer 7€1,411 EUR
Retailer 1€1,417 EUR
Retailer 5€1,564 EUR
Retailer 4€1,785 EUR
Retailer 8€2,256 EUR

27 data points across 9 retailers

25 retailers€1,008 EUR to €3,126 EUR

A
Cheapest Retailer
-
€1,008 EUR
HK$8,800 HKD
A
Retailer 2
-
€1,019 EUR
₹108,470 INR
View
A
Retailer 3
-
€1,137 EUR
$1,270 USD
View
A
Retailer 4
-
€1,164 EUR
$1,300 USD
View
A
Retailer 5
-
€1,182 EUR
$1,321 USD
View
Final sale: no returns
A
Retailer 6
-
€1,188 EUR
$1,327 USD
View
A
Retailer 7
-
€1,254 EUR
£1,103 GBP
View
A
Retailer 8
-
€1,282 EUR
$1,432 USD
View
A
Retailer 9
-
€1,282 EUR
$1,432 USD
View
A
Retailer 10
-
€1,325 EUR
$1,480 USD
View
A
Retailer 11
-
€1,341 EUR
$1,498 USD
View
A
Retailer 12
-
€1,369 EUR
$1,530 USD
View
B+
Retailer 13
-
€1,403 EUR
$1,567 USD
View
B+
Retailer 14
-
€1,404 EUR
SGD 2,119 SGD
View
A
Retailer 15
-
€1,411 EUR
$1,576 USD
View
A
Retailer 16
-
€1,417 EUR
£1,246 GBP
View
B+
Retailer 17
-
€1,420 EUR
$1,586 USD
View
B+
Retailer 18
-
€1,422 EUR
$1,588 USD
View
B+
Retailer 19
-
€1,479 EUR
$1,652 USD
View
B+
Retailer 20
-
€1,564 EUR
ZAR 28,230 ZAR
View
Retailer 21
-
€1,672 EUR
A$2,874 AUD
View
Price last confirmed 26 days ago
B+
Retailer 22
-
€1,785 EUR
View
B
Retailer 23
-
€1,889 EUR
$2,110 USD
View
B
Retailer 24
-
€2,256 EUR
£1,985 GBP
View
Most Expensive
B
NZ Jewellers
ecfbdb91-2f60-416a-b625-deba8701c916 · Oct 30
€3,126 EUR
$3,492 USD
View
24 more retailers have this diamond
Prices start from €1,008 EURSave up to €2,117 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
€1,008 EUR