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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 $1,967 USD
As of November 6, 2026
Save $1,608 USD (45%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,575 USD at Wholesale Diamonds Direct · As of November 6, 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 November 6, 2026, with prices from $1,967 to $3,575, a $1,608 spread on the same certified stone. Wholesale Diamonds Direct lists it at $3,575. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,901 USD|Low: $1,788 USD|High: $3,002 USD|Avg: $2,446 USD|+3.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 3$1,967 USD
Retailer 4$1,988 USD
Retailer 5$2,438 USD
Retailer 6$2,457 USD
Retailer 1$2,901 USD
Retailer 2$2,972 USD

39 data points across 6 retailers

11 retailers$1,967 USD to $3,575 USD

B+
Cheapest Retailer
-
$1,967 USD
Final sale: no returns
B+
Retailer 2
-
$1,988 USD
View
B+
Retailer 3
-
$2,024 USD
View
B
Retailer 4
-
$2,120 USD
View
B
Retailer 5
-
$2,438 USD
View
B
Retailer 6
-
$2,438 USD
View
B
Retailer 7
-
$2,457 USD
View
B
Retailer 8
-
$2,901 USD
View
B
Retailer 9
-
$2,972 USD
View
B
Retailer 10
-
$3,006 USD
View
Most Expensive
B
Wholesale Diamonds Direct
217369813 · Nov 6
$3,575 USD
View
10 more retailers have this diamond
Prices start from $1,967 USDSave up to $1,608 USD

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
$1,967 USD