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Radiant|Natural|GIA

1.50ct J SI1 Radiant Natural Diamond

ID • J/SI1 • GIA 2567499446

Certificate GIA 2567499446

Diamond specifications and retailer prices

From $5,325 NZD
$2,996 USD
As of November 1, 2026
Save $7,612 NZD (59%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $12,937 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural radiant diamond

This 1.5ct natural radiant sits in the one-and-a-half to two 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 2567499446. Listed at 21 retailers as of October 30, 2026, with prices from $5,325 to $12,937, a $7,612 spread on the same certified stone. NZ Jewellers lists it at $12,937. 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

1.50
Carat
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2567499446
Dimensions7.58 × 5.61 × 3.81 mm
L/W Ratio1.35
Girdle conditionPolished
Top View
7.58 mm5.61 mm1.50 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2567499446
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.8%

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 1
Current: $12,937 NZD|Low: $5,050 NZD|High: $13,108 NZD|Avg: $7,547 NZD|-1.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 2, 2026
Retailer 4$5,325 NZD
Retailer 16$5,369 NZD
Retailer 7$5,474 NZD
Retailer 10$5,641 NZD
Retailer 8$5,652 NZD
Retailer 6$5,991 NZD
Retailer 20$6,292 NZD
Retailer 2$6,341 NZD
Retailer 12$6,435 NZD
Retailer 9$6,443 NZD
Retailer 18$6,448 NZD
Retailer 3$6,558 NZD
Retailer 21$6,807 NZD
Retailer 17$7,239 NZD
Retailer 14$7,442 NZD
Retailer 15$7,729 NZD
Retailer 19$8,146 NZD
Retailer 5$9,127 NZD
Retailer 11$10,909 NZD
Retailer 13$12,584 NZD
NZ Jewellers$12,937 NZD

18 data points across 21 retailers

21 retailers$5,325 NZD to $12,937 NZD

A
Cheapest Retailer
-
$5,325 NZD
$2,996 USD
A
Retailer 2
-
$5,369 NZD
HK$23,600 HKD
View
A
Retailer 3
-
$5,474 NZD
$3,080 USD
View
A
Retailer 4
-
$5,641 NZD
$3,174 USD
View
A
Retailer 5
-
$5,652 NZD
$3,180 USD
View
A
Retailer 6
-
$5,991 NZD
$3,371 USD
View
A
Retailer 7
-
$6,292 NZD
$3,540 USD
View
Final sale: no returns
A
Retailer 8
-
$6,341 NZD
A$5,489 AUD
View
Retailer 9
-
$6,435 NZD
SGD 4,893 SGD
View
Price last confirmed 14 days ago
A
Retailer 10
-
$6,443 NZD
$3,625 USD
View
A
Retailer 11
-
$6,448 NZD
$3,628 USD
View
A
Retailer 12
-
$6,558 NZD
$3,690 USD
View
B+
Retailer 13
-
$6,807 NZD
£3,016 GBP
View
B+
Retailer 14
-
$7,239 NZD
£3,207 GBP
View
B+
Retailer 15
-
$7,729 NZD
$4,349 USD
View
Retailer 16
-
$8,077 NZD
A$6,992 AUD
View
Price last confirmed 24 days ago
B+
Retailer 17
-
$8,146 NZD
€4,365 EUR
View
B
Retailer 18
-
$9,127 NZD
ZAR 82,964 ZAR
View
B
Retailer 19
-
$10,909 NZD
$6,138 USD
View
B
Retailer 20
-
$12,584 NZD
£5,575 GBP
View
Most Expensive
B
NZ Jewellers
4385700f-a300-4bea-b203-c2c6447b4c60 · Oct 30
$12,937 NZD
$7,279 USD
View
20 more retailers have this diamond
Prices start from $5,325 NZDSave up to $7,612 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
1.50ct Radiant
$5,325 NZD