CaratHunter
Plans
Round|Natural|GIA

1.50ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6545473292

Certificate GIA 6545473292

Diamond specifications and retailer prices

From $5,380 AUD
$3,779 USD
As of October 30, 2026
Save $5,775 AUD (52%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $11,155 AUD at MOH London · As of November 1, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6545473292. Listed at 20 retailers as of October 30, 2026, with prices from $5,380 to $11,155, a $5,775 spread on the same certified stone. MOH London lists it at $11,155. 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6545473292
Dimensions7.26 × 7.32 × 4.45 mm
L/W Ratio1.01
Top View
7.26 mm7.32 mm1.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6545473292
Side View
Table 61.0%CrownGirdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $11,155 AUD|Low: $3,644 AUD|High: $11,215 AUD|Avg: $6,167 AUD|+31.9%
MOH London
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 1, 2026
Retailer 7$3,644 AUD
Retailer 6$4,919 AUD
Retailer 8$5,111 AUD
Retailer 12$5,380 AUD
Retailer 5$5,442 AUD
Retailer 4$5,531 AUD
Retailer 14$5,582 AUD
Retailer 15$5,857 AUD
Retailer 13$6,008 AUD
Retailer 9$6,920 AUD
Retailer 3$7,246 AUD
Retailer 2$7,448 AUD
Retailer 11$7,733 AUD
Retailer 16$7,756 AUD
Retailer 10$8,609 AUD
MOH London$11,155 AUD

30 data points across 16 retailers

20 retailers$5,380 AUD to $11,155 AUD

Retailer 1
-
$3,644 AUD
HK$20,000 HKD
Price last confirmed 30 days ago
Retailer 2
-
$4,919 AUD
$3,456 USD
View
Price last confirmed 15 days ago
Retailer 3
-
$4,975 AUD
$3,495 USD
View
Price last confirmed 31 days ago
Retailer 4
-
$5,111 AUD
SGD 4,852 SGD
View
Price last confirmed 31 days ago
Retailer 5
-
$5,166 AUD
$3,629 USD
View
Price last confirmed 33 days ago
B+
Retailer 6
-
$5,380 AUD
$3,779 USD
View
Retailer 7
-
$5,442 AUD
$3,823 USD
View
Price last confirmed 10 days ago
B+
Retailer 8
-
$5,531 AUD
$3,885 USD
View
B+
Retailer 9
-
$5,582 AUD
$3,921 USD
View
B+
Retailer 10
-
$5,791 AUD
View
B+
Retailer 11
-
$5,857 AUD
$4,114 USD
View
Final sale: no returns
B+
Retailer 12
-
$6,008 AUD
$4,220 USD
View
B+
Retailer 13
-
$6,920 AUD
£3,827 GBP
View
B
Retailer 14
-
$6,960 AUD
$4,889 USD
View
B
Retailer 15
-
$7,246 AUD
$5,090 USD
View
B
Retailer 16
-
$7,448 AUD
€4,983 EUR
View
B
Retailer 17
-
$7,756 AUD
£4,290 GBP
View
B
Retailer 18
-
$8,609 AUD
ZAR 97,691 ZAR
View
Retailer 19
-
$8,799 AUD
$6,181 USD
View
Price last confirmed 34 days ago
Most Expensive
B
MOH London
2C7F0CB91 · Nov 1
$11,155 AUD
£6,170 GBP
View
19 more retailers have this diamond
Prices start from $5,380 AUDSave up to $5,775 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.

B+
1.50ct Round
$5,380 AUD