Radiant|Natural|GIA

1.00ct J SI1 Radiant Natural Diamond

EX • J/SI1 • GIA 2566373367

Certificate GIA 2566373367

Diamond specifications and retailer prices

From $1,459 USD
As of November 6, 2026
Save $3,293 USD (69%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,752 USD 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 2566373367. Listed at 11 retailers as of November 5, 2026, with prices from $1,459 to $4,752, a $3,293 spread on the same certified stone. NZ Jewellers lists it at $4,752. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566373367
Dimensions6.48 × 4.98 × 3.56 mm
L/W Ratio1.30
Girdle conditionThick to Very Thick
Key to symbols
Feather, Crystal
Top View
6.48 mm4.98 mm1.00 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566373367
Side View
Table 69.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 71.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $4,752 USD|Low: $1,446 USD|High: $4,752 USD|Avg: $2,276 USD|+12.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 10$1,459 USD
Retailer 4$1,466 USD
Retailer 3$1,553 USD
Retailer 11$1,821 USD
Retailer 5$1,890 USD
Retailer 9$1,948 USD
Retailer 6$2,028 USD
Retailer 8$2,038 USD
Retailer 2$2,424 USD
Retailer 7$3,404 USD
NZ Jewellers$4,752 USD

31 data points across 11 retailers

11 retailers$1,459 USD to $4,752 USD

A
Cheapest Retailer
-
$1,459 USD
A
Retailer 2
-
$1,466 USD
View
A
Retailer 3
-
$1,553 USD
View
Final sale: no returns
B+
Retailer 4
-
$1,821 USD
View
B+
Retailer 5
-
$1,890 USD
View
B+
Retailer 6
-
$1,948 USD
View
B+
Retailer 7
-
$2,028 USD
View
B+
Retailer 8
-
$2,038 USD
View
B+
Retailer 9
-
$2,424 USD
View
B
Retailer 10
-
$3,404 USD
View
Most Expensive
C
NZ Jewellers
147dd911-f053-4819-bf74-292a933c0f11 · Nov 5
$4,752 USD
View
10 more retailers have this diamond
Prices start from $1,459 USDSave up to $3,293 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.

A
1.00ct Radiant
$1,459 USD