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Radiant|Natural|GIA

1.50ct J SI2 Radiant Natural Diamond

ID • J/SI2 • GIA 2537922661

Certificate GIA 2537922661

Diamond specifications and retailer prices

From $4,795 NZD
$2,703 USD
As of October 31, 2026
Save $6,086 NZD (56%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $10,882 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 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 $4,795 to $10,882, a $6,086 spread on the same certified stone. NZ Jewellers lists it at $10,882. 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

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: Oct 31
Current: $10,882 NZD|Low: $4,099 NZD|High: $11,189 NZD|Avg: $6,428 NZD|-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
November 2, 2026
Retailer 10$4,795 NZD
Retailer 16$4,918 NZD
Retailer 7$4,996 NZD
Retailer 3$5,004 NZD
Retailer 8$5,066 NZD
Retailer 17$5,224 NZD
Retailer 20$5,658 NZD
Retailer 21$5,658 NZD
Retailer 12$5,691 NZD
Retailer 14$5,715 NZD
Retailer 6$5,876 NZD
Retailer 9$6,246 NZD
Retailer 4$6,423 NZD
Retailer 11$6,423 NZD
Retailer 13$6,527 NZD
Retailer 18$6,529 NZD
Retailer 19$6,636 NZD
Retailer 2$6,876 NZD
Retailer 5$9,017 NZD
Retailer 15$10,444 NZD
NZ Jewellers$10,882 NZD

44 data points across 21 retailers

23 retailers$4,795 NZD to $10,882 NZD

A
Cheapest Retailer
-
$4,795 NZD
$2,703 USD
A
Retailer 2
-
$4,918 NZD
$2,772 USD
View
A
Retailer 3
-
$4,996 NZD
$2,816 USD
View
A
Retailer 4
-
$5,004 NZD
$2,820 USD
View
A
Retailer 5
-
$5,066 NZD
$2,855 USD
View
A
Retailer 6
-
$5,224 NZD
$2,944 USD
View
Final sale: no returns
A
Retailer 7
-
$5,658 NZD
$3,189 USD
View
A
Retailer 8
-
$5,658 NZD
$3,189 USD
View
A
Retailer 9
-
$5,691 NZD
$3,208 USD
View
Retailer 10
-
$5,715 NZD
$3,221 USD
View
Price last confirmed 10 days ago
A
Retailer 11
-
$5,876 NZD
$3,312 USD
View
B+
Retailer 12
-
$6,076 NZD
A$5,268 AUD
View
B+
Retailer 13
-
$6,246 NZD
$3,520 USD
View
B+
Retailer 14
-
$6,423 NZD
$3,620 USD
View
B+
Retailer 15
-
$6,423 NZD
$3,620 USD
View
B+
Retailer 16
-
$6,527 NZD
£2,897 GBP
View
B+
Retailer 17
-
$6,529 NZD
$3,680 USD
View
B+
Retailer 18
-
$6,636 NZD
$3,740 USD
View
Retailer 19
-
$6,714 NZD
$3,784 USD
View
Price last confirmed 56 days ago
B+
Retailer 20
-
$6,876 NZD
€3,691 EUR
View
B
Retailer 21
-
$9,017 NZD
$5,082 USD
View
B
Retailer 22
-
$10,444 NZD
£4,635 GBP
View
Most Expensive
B
NZ Jewellers
3562a08d-f40f-4d56-8d39-149e4fe2f93d · Oct 30
$10,882 NZD
$6,133 USD
View
22 more retailers have this diamond
Prices start from $4,795 NZDSave up to $6,086 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
$4,795 NZD