CaratHunter
Plans
Round|Natural|GIA

1.50ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 7523587847

Certificate GIA 7523587847

Diamond specifications and retailer prices

From $4,381 AUD
As of November 6, 2026
Save $13,121 AUD (75%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $18,853 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 1.5ct natural round diamond

This 1.5ct natural round 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 GIA 7523587847. Listed at 13 retailers as of November 2, 2026, with a 299% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7523587847
Dimensions7.39 × 7.43 × 4.46 mm
L/W Ratio1.01
Top View
7.39 mm7.43 mm1.50 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7523587847
Side View
Table 60.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 60.2%

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 6
Current: $18,853 AUD|Low: $4,381 AUD|High: $18,853 AUD|Avg: $7,469 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2$4,381 AUD
Retailer 10$4,978 AUD
Retailer 4$6,365 AUD
Retailer 3$6,571 AUD
Retailer 8$11,729 AUD
Retailer 9$13,528 AUD
Retailer 5$13,735 AUD
Retailer 6$15,608 AUD
Retailer 7$17,502 AUD
MOH London$18,853 AUD

42 data points across 10 retailers

13 retailers$4,381 AUD to $17,502 AUD

A
Cheapest Retailer
-
$4,381 AUD
A
Retailer 2
-
$4,834 AUD
View
A
Retailer 3
-
$4,978 AUD
View
B+
Retailer 4
-
$5,828 AUD
View
B+
Retailer 5
-
$6,168 AUD
View
B+
Retailer 6
-
$6,365 AUD
View
B+
Retailer 7
-
$6,571 AUD
View
B
Retailer 8
-
$11,729 AUD
View
B
Retailer 9
-
$13,528 AUD
View
B
Retailer 10
-
$13,735 AUD
View
B
Retailer 11
-
$15,608 AUD
View
B
Retailer 12
-
$17,502 AUD
View
Most Expensive
MOH London
AAD0D838E · Nov 2
$18,853 AUD
£10,392 GBP
View
Price under review
12 more retailers have this diamond
Prices start from $4,381 AUDSave up to $13,121 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 Round
$4,381 AUD