Radiant|Natural|GIA

1.50ct J SI2 Radiant Natural Diamond

ID • J/SI2 • GIA 2537922661

Certificate GIA 2537922661

Diamond specifications and retailer prices

From $3,848 AUD
$2,703 USD
As of October 31, 2026
Save $4,883 AUD (56%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $8,731 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2537922661. Listed at 23 retailers as of October 30, 2026, with prices from $3,848 to $8,731, a $4,883 spread on the same certified stone. NZ Jewellers lists it at $8,731. 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
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle47.52°
Pavilion angle33.46°
OriginNatural
Grading LabGIA
CertificateGIA 2537922661
Dimensions7.19 × 5.70 × 3.94 mm
L/W Ratio1.26
Top View
7.19 mm5.70 mm1.50 ctJ / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2537922661
Side View
Table 72.0%Crown 47.52°Girdle: ThickPavilion 33.46°Culet: NoneDepth 69.1%

Caratlytics Score

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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: Oct 31
Current: $8,731 AUD|Low: $3,289 AUD|High: $8,977 AUD|Avg: $5,143 AUD|-2.7%
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
Retailer 22
November 1, 2026
Retailer 10$3,848 AUD
Retailer 17$3,946 AUD
Retailer 7$4,009 AUD
Retailer 3$4,015 AUD
Retailer 8$4,064 AUD
Retailer 18$4,191 AUD
Retailer 21$4,540 AUD
Retailer 22$4,540 AUD
Retailer 12$4,566 AUD
Retailer 14$4,585 AUD
Retailer 6$4,715 AUD
Retailer 15$4,875 AUD
Retailer 9$5,011 AUD
Retailer 4$5,153 AUD
Retailer 11$5,153 AUD
Retailer 13$5,237 AUD
Retailer 19$5,239 AUD
Retailer 20$5,324 AUD
Retailer 16$5,499 AUD
Retailer 5$7,235 AUD
Retailer 2$8,380 AUD
NZ Jewellers$8,731 AUD

43 data points across 22 retailers

23 retailers$3,848 AUD to $8,731 AUD

A
Cheapest Retailer
-
$3,848 AUD
$2,703 USD
A
Retailer 2
-
$3,946 AUD
$2,772 USD
View
A
Retailer 3
-
$4,009 AUD
$2,816 USD
View
A
Retailer 4
-
$4,015 AUD
$2,820 USD
View
A
Retailer 5
-
$4,064 AUD
$2,855 USD
View
A
Retailer 6
-
$4,191 AUD
$2,944 USD
View
Final sale: no returns
A
Retailer 7
-
$4,540 AUD
$3,189 USD
View
A
Retailer 8
-
$4,540 AUD
$3,189 USD
View
A
Retailer 9
-
$4,566 AUD
$3,208 USD
View
Retailer 10
-
$4,585 AUD
$3,221 USD
View
Price last confirmed 9 days ago
A
Retailer 11
-
$4,715 AUD
$3,312 USD
View
B+
Retailer 12
-
$4,875 AUD
View
B+
Retailer 13
-
$5,011 AUD
$3,520 USD
View
B+
Retailer 14
-
$5,153 AUD
$3,620 USD
View
B+
Retailer 15
-
$5,153 AUD
$3,620 USD
View
B+
Retailer 16
-
$5,237 AUD
£2,897 GBP
View
B+
Retailer 17
-
$5,239 AUD
$3,680 USD
View
B+
Retailer 18
-
$5,324 AUD
$3,740 USD
View
Retailer 19
-
$5,387 AUD
$3,784 USD
View
Price last confirmed 56 days ago
B+
Retailer 20
-
$5,499 AUD
€3,679 EUR
View
B
Retailer 21
-
$7,235 AUD
$5,082 USD
View
B
Retailer 22
-
$8,380 AUD
£4,635 GBP
View
Most Expensive
B
NZ Jewellers
3562a08d-f40f-4d56-8d39-149e4fe2f93d · Oct 30
$8,731 AUD
$6,133 USD
View
22 more retailers have this diamond
Prices start from $3,848 AUDSave up to $4,883 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
$3,848 AUD