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Round|Natural|IGI

1.50ct J IF Round Natural Diamond

EX • J/IF • IGI 642405107

Shape and cutting style on the report: Round brilliant

Certificate IGI 642405107

Diamond specifications and retailer prices

From $6,184 AUD
$4,344 USD
As of November 1, 2026
Save $5,110 AUD (45%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $12,354 AUD at NZ Jewellers · As of September 19, 2026
View at NZ Jewellers

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 642405107. Listed at 15 retailers as of November 1, 2026, with a 83% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle41.9°
OriginNatural
Grading LabIGI
CertificateIGI 642405107
Dimensions7.31 × 7.26 × 4.55 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.31 mm7.26 mm1.50 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 642405107
Side View
Table 61.0%Crown 32.9°Girdle: MED-STKPavilion 41.9°Culet: NoneDepth 60.8%

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 1
Current: $7,082 AUD|Low: $5,454 AUD|High: $11,797 AUD|Avg: $7,601 AUD|+0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 10$6,184 AUD
Retailer 9$6,211 AUD
Retailer 3$6,544 AUD
Retailer 7$6,570 AUD
Retailer 1$7,082 AUD
Retailer 2$7,091 AUD
Retailer 8$7,091 AUD
Retailer 11$7,856 AUD
Retailer 5$7,988 AUD
Retailer 6$8,716 AUD
Retailer 4$11,294 AUD

37 data points across 11 retailers

15 retailers$6,184 AUD to $11,294 AUD

A
Cheapest Retailer
-
$6,184 AUD
$4,344 USD
A
Retailer 2
-
$6,211 AUD
$4,363 USD
View
A
Retailer 3
-
$6,544 AUD
$4,597 USD
View
Final sale: no returns
A
Retailer 4
-
$6,570 AUD
$4,615 USD
View
Retailer 5
-
$6,674 AUD
$4,688 USD
View
Price last confirmed 98 days ago
A
Retailer 6
-
$7,082 AUD
£3,917 GBP
View
Retailer 7
-
$7,091 AUD
$4,981 USD
View
Price last confirmed 39 days ago
A
Retailer 8
-
$7,091 AUD
$4,981 USD
View
A
Retailer 9
-
$7,091 AUD
$4,981 USD
View
A
Retailer 10
-
$7,856 AUD
£4,345 GBP
View
A
Retailer 11
-
$7,988 AUD
€5,344 EUR
View
Retailer 12
-
$8,181 AUD
$5,747 USD
View
Price last confirmed 41 days ago
B+
Retailer 13
-
$8,716 AUD
ZAR 98,910 ZAR
View
B+
Retailer 14
-
$11,294 AUD
£6,247 GBP
View
Most Expensive
NZ Jewellers
cfd6d061-7d02-4759-aa83-51e0d0ed9ce9 · Sep 19
$12,354 AUD
$8,678 USD
View
Price last confirmed 43 days ago
14 more retailers have this diamond
Prices start from $6,184 AUDSave up to $5,110 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
$6,184 AUD