CaratHunter
Plans
Radiant|Natural|GIA

1.50ct J SI1 Radiant Natural Diamond

EX • J/SI1 • GIA 5234058462

Certificate GIA 5234058462

Diamond specifications and retailer prices

From $3,422 AUD
SGD 3,241 SGD
As of October 31, 2026
Save $4,515 AUD (57%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $7,937 AUD at MOH London · As of November 1, 2026
View at MOH London

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 5234058462. Listed at 9 retailers as of October 31, 2026, with prices from $3,422 to $7,937, a $4,515 spread on the same certified stone. MOH London lists it at $7,937. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.6°
Pavilion angle60.2°
OriginNatural
Grading LabGIA
CertificateGIA 5234058462
Dimensions6.30 × 6.17 × 4.16 mm
L/W Ratio1.02
Top View
6.30 mm6.17 mm1.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5234058462
Side View
Table 66.0%Crown 49.6°Girdle: ThickPavilion 60.2°Culet: NoneDepth 67.4%

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: $7,937 AUD|Low: $3,422 AUD|High: $8,427 AUD|Avg: $5,308 AUD|-4.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 8$3,422 AUD
Retailer 7$4,214 AUD
Retailer 6$4,587 AUD
Retailer 4$4,746 AUD
Retailer 5$4,951 AUD
Retailer 2$4,960 AUD
Retailer 9$5,153 AUD
Retailer 3$5,834 AUD
MOH London$7,937 AUD

44 data points across 9 retailers

9 retailers$3,422 AUD to $7,937 AUD

A
Cheapest Retailer
-
$3,422 AUD
SGD 3,241 SGD
A
Retailer 2
-
$4,214 AUD
$2,953 USD
View
A
Retailer 3
-
$4,587 AUD
$3,215 USD
View
A
Retailer 4
-
$4,746 AUD
$3,326 USD
View
A
Retailer 5
-
$4,951 AUD
$3,470 USD
View
A
Retailer 6
-
$4,960 AUD
£2,737 GBP
View
Retailer 7
-
$5,153 AUD
View
Price last confirmed 25 days ago
B+
Retailer 8
-
$5,834 AUD
ZAR 66,046 ZAR
View
Most Expensive
B+
MOH London
5F7F473E7 · Nov 1
$7,937 AUD
£4,380 GBP
View
8 more retailers have this diamond
Prices start from $3,422 AUDSave up to $4,515 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
$3,422 AUD