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Radiant|Natural|IGI

1.54ct J SI2 Radiant Natural Diamond

EX • J/SI2 • IGI 634413564

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI 634413564

Diamond specifications and retailer prices

From $3,374 AUD
As of November 4, 2026
Save $4,504 AUD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $7,878 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.54ct natural radiant diamond

This 1.54ct 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 and certified by IGI 634413564. Listed at 15 retailers as of November 4, 2026, with prices from $3,374 to $7,878, a $4,504 spread on the same certified stone. NZ Jewellers lists it at $7,878. 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

1.54
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.9°
Pavilion angle32°
OriginNatural
Grading LabIGI
CertificateIGI 634413564
Dimensions8.71 × 5.50 × 3.61 mm
L/W Ratio1.58
Culet sizePointed
Top View
8.71 mm5.50 mm1.54 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 634413564
Side View
Table 65.0%Crown 39.9°Girdle: Slightly ThickPavilion 32°Culet: NoneDepth 65.6%

Caratlytics Score

How it works →
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: Nov 4
Current: $7,878 AUD|Low: $3,187 AUD|High: $7,878 AUD|Avg: $4,314 AUD
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
November 6, 2026
Retailer 15$3,374 AUD
Retailer 11$3,442 AUD
Retailer 12$3,477 AUD
Retailer 3$3,545 AUD
Retailer 6$3,659 AUD
Retailer 2$3,705 AUD
Retailer 4$3,768 AUD
Retailer 13$3,768 AUD
Retailer 14$3,943 AUD
Retailer 16$3,966 AUD
Retailer 8$3,972 AUD
Retailer 5$4,347 AUD
Retailer 7$4,483 AUD
Retailer 9$4,679 AUD
Retailer 10$6,583 AUD
NZ Jewellers$7,878 AUD

43 data points across 16 retailers

15 retailers$3,374 AUD to $7,878 AUD

A
Cheapest Retailer
-
$3,374 AUD
Retailer 2
-
$3,442 AUD
View
Price last confirmed 10 days ago
A
Retailer 3
-
$3,477 AUD
View
Final sale: no returns
A
Retailer 4
-
$3,545 AUD
View
A
Retailer 5
-
$3,659 AUD
View
A
Retailer 6
-
$3,705 AUD
View
Retailer 7
-
$3,768 AUD
View
Price last confirmed 9 days ago
A
Retailer 8
-
$3,768 AUD
View
A
Retailer 9
-
$3,943 AUD
View
A
Retailer 10
-
$3,966 AUD
View
A
Retailer 11
-
$3,972 AUD
View
B+
Retailer 12
-
$4,347 AUD
View
A
Retailer 13
-
$4,679 AUD
View
B+
Retailer 14
-
$6,583 AUD
View
Most Expensive
B
NZ Jewellers
ddc9b8d2-c945-4bdd-a4f8-411a80d9f97e · Nov 5
$7,878 AUD
$5,413 USD
View
14 more retailers have this diamond
Prices start from $3,374 AUDSave up to $4,504 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
1.54ct Radiant
$3,374 AUD