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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 $4,275 AUD
$2,996 USD
As of November 1, 2026
Save $6,111 AUD (59%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $10,386 AUD 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 $4,275 to $10,386, a $6,111 spread on the same certified stone. NZ Jewellers lists it at $10,386. 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: $10,386 AUD|Low: $4,055 AUD|High: $10,523 AUD|Avg: $6,060 AUD|-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
November 2, 2026
Retailer 3$4,275 AUD
Retailer 14$4,310 AUD
Retailer 6$4,395 AUD
Retailer 9$4,529 AUD
Retailer 7$4,538 AUD
Retailer 5$4,810 AUD
Retailer 18$5,051 AUD
Retailer 11$5,167 AUD
Retailer 8$5,173 AUD
Retailer 16$5,176 AUD
Retailer 20$5,265 AUD
Retailer 19$5,465 AUD
Retailer 15$5,812 AUD
Retailer 12$5,974 AUD
Retailer 13$6,206 AUD
Retailer 17$6,540 AUD
Retailer 4$7,328 AUD
Retailer 10$8,758 AUD
Retailer 2$10,103 AUD
NZ Jewellers$10,386 AUD

18 data points across 20 retailers

21 retailers$4,275 AUD to $10,386 AUD

A
Cheapest Retailer
-
$4,275 AUD
$2,996 USD
A
Retailer 2
-
$4,310 AUD
HK$23,600 HKD
View
A
Retailer 3
-
$4,395 AUD
$3,080 USD
View
A
Retailer 4
-
$4,529 AUD
$3,174 USD
View
A
Retailer 5
-
$4,538 AUD
$3,180 USD
View
A
Retailer 6
-
$4,810 AUD
$3,371 USD
View
A
Retailer 7
-
$5,029 AUD
View
A
Retailer 8
-
$5,051 AUD
$3,540 USD
View
Final sale: no returns
Retailer 9
-
$5,167 AUD
SGD 4,893 SGD
View
Price last confirmed 14 days ago
A
Retailer 10
-
$5,173 AUD
$3,625 USD
View
A
Retailer 11
-
$5,176 AUD
$3,628 USD
View
A
Retailer 12
-
$5,265 AUD
$3,690 USD
View
B+
Retailer 13
-
$5,465 AUD
£3,016 GBP
View
B+
Retailer 14
-
$5,812 AUD
£3,207 GBP
View
B+
Retailer 15
-
$6,206 AUD
$4,349 USD
View
Retailer 16
-
$6,485 AUD
View
Price last confirmed 23 days ago
B+
Retailer 17
-
$6,540 AUD
€4,365 EUR
View
B
Retailer 18
-
$7,328 AUD
ZAR 82,964 ZAR
View
B
Retailer 19
-
$8,758 AUD
$6,138 USD
View
B
Retailer 20
-
$10,103 AUD
£5,575 GBP
View
Most Expensive
B
NZ Jewellers
4385700f-a300-4bea-b203-c2c6447b4c60 · Oct 30
$10,386 AUD
$7,279 USD
View
20 more retailers have this diamond
Prices start from $4,275 AUDSave up to $6,111 AUD

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
$4,275 AUD