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Radiant|Natural|GIA

1.00ct J SI1 Radiant Natural Diamond

EX • J/SI1 • GIA 2566373367

Certificate GIA 2566373367

Diamond specifications and retailer prices

From $2,632 NZD
As of November 6, 2026
Save $5,940 NZD (69%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,572 NZD 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 $2,632 to $8,572, a $5,940 spread on the same certified stone. NZ Jewellers lists it at $8,572. 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
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $8,572 NZD|Low: $2,608 NZD|High: $8,572 NZD|Avg: $4,106 NZD|+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$2,632 NZD
Retailer 4$2,645 NZD
Retailer 3$2,801 NZD
Retailer 11$3,285 NZD
Retailer 5$3,409 NZD
Retailer 9$3,514 NZD
Retailer 6$3,658 NZD
Retailer 8$3,676 NZD
Retailer 2$4,373 NZD
Retailer 7$6,140 NZD
NZ Jewellers$8,572 NZD

31 data points across 11 retailers

11 retailers$2,632 NZD to $8,572 NZD

A
Cheapest Retailer
-
$2,632 NZD
A
Retailer 2
-
$2,645 NZD
View
A
Retailer 3
-
$2,801 NZD
View
Final sale: no returns
B+
Retailer 4
-
$3,285 NZD
View
B+
Retailer 5
-
$3,409 NZD
View
B+
Retailer 6
-
$3,514 NZD
View
B+
Retailer 7
-
$3,658 NZD
View
B+
Retailer 8
-
$3,676 NZD
View
B+
Retailer 9
-
$4,373 NZD
View
B
Retailer 10
-
$6,140 NZD
View
Most Expensive
C
NZ Jewellers
147dd911-f053-4819-bf74-292a933c0f11 · Nov 5
$8,572 NZD
$4,752 USD
View
10 more retailers have this diamond
Prices start from $2,632 NZDSave up to $5,940 NZD

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
$2,632 NZD