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Radiant|Natural|GIA

1.00ct J SI2 Radiant Natural Diamond

EX • J/SI2 • GIA 1428672363

Certificate GIA 1428672363

Diamond specifications and retailer prices

From €1,761 EUR
$1,967 USD
As of October 31, 2026
Save €1,439 EUR (45%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €3,200 EUR at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1428672363. Listed at 11 retailers as of October 27, 2026, with prices from €1,761 to €3,200, a €1,439 spread on the same certified stone. Wholesale Diamonds Direct lists it at €3,200. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1428672363
Dimensions6.56 × 5.11 × 3.41 mm
L/W Ratio1.28
Culet sizeNone
Top View
6.56 mm5.11 mm1.00 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1428672363
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 66.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €2,687 EUR|Low: €1,600 EUR|High: €2,687 EUR|Avg: €2,185 EUR|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 3€1,761 EUR
Retailer 4€1,779 EUR
Retailer 5€2,182 EUR
Retailer 7€2,182 EUR
Retailer 6€2,200 EUR
Retailer 2€2,595 EUR
Retailer 1€2,687 EUR

39 data points across 7 retailers

11 retailers€1,761 EUR to €3,200 EUR

B+
Cheapest Retailer
-
€1,761 EUR
$1,967 USD
Final sale: no returns
B+
Retailer 2
-
€1,779 EUR
$1,988 USD
View
B+
Retailer 3
-
€1,812 EUR
$2,024 USD
View
B
Retailer 4
-
€1,898 EUR
$2,121 USD
View
B
Retailer 5
-
€2,182 EUR
$2,438 USD
View
B
Retailer 6
-
€2,182 EUR
$2,438 USD
View
B
Retailer 7
-
€2,200 EUR
CA$3,413 CAD
View
B
Retailer 8
-
€2,595 EUR
View
B
Retailer 9
-
€2,687 EUR
£2,364 GBP
View
B
Retailer 10
-
€2,691 EUR
$3,006 USD
View
Most Expensive
B
Wholesale Diamonds Direct
217369813 · Oct 27
€3,200 EUR
$3,575 USD
View
10 more retailers have this diamond
Prices start from €1,761 EURSave up to €1,439 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.

B+
1.00ct Radiant
€1,761 EUR