CaratHunter
Plans
Round|Natural|IGI

1.50ct H IF Round Natural Diamond

EX • H/IF • IGI 665427838

Shape and cutting style on the report: Round brilliant

Certificate IGI 665427838

Diamond specifications and retailer prices

From $8,315 AUD
As of November 5, 2026
Save $11,202 AUD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $19,517 AUD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 665427838. Listed at 17 retailers as of November 5, 2026, with prices from $8,315 to $19,517, a $11,202 spread on the same certified stone. Diamond Quarter lists it at $19,517. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
H
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 665427838
Dimensions7.31 × 7.25 × 4.58 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.31 mm7.25 mm1.50 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 665427838
Side View
Table 58.0%Crown 33.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.8%

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 5
Current: $10,071 AUD|Low: $8,315 AUD|High: $17,921 AUD|Avg: $11,131 AUD|-4.5%
Retailer 1
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 11$8,315 AUD
Retailer 14$8,821 AUD
Retailer 4$9,344 AUD
Retailer 6$9,890 AUD
Retailer 8$9,890 AUD
Retailer 10$9,892 AUD
Retailer 15$9,900 AUD
Retailer 1$10,071 AUD
Retailer 3$10,714 AUD
Retailer 5$10,879 AUD
Retailer 7$10,947 AUD
Retailer 12$11,631 AUD
Retailer 2$12,362 AUD
Retailer 9$13,072 AUD
Retailer 13$14,892 AUD
Retailer 16$17,921 AUD

25 data points across 16 retailers

17 retailers$8,315 AUD to $19,517 AUD

A
Cheapest Retailer
-
$8,315 AUD
A
Retailer 2
-
$8,821 AUD
View
A
Retailer 3
-
$9,344 AUD
View
Retailer 4
-
$9,890 AUD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$9,890 AUD
View
Final sale: no returns
A
Retailer 6
-
$9,892 AUD
View
A
Retailer 7
-
$9,900 AUD
View
A
Retailer 8
-
$10,071 AUD
View
A
Retailer 9
-
$10,714 AUD
View
A
Retailer 10
-
$10,879 AUD
View
A
Retailer 11
-
$10,947 AUD
View
A
Retailer 12
-
$11,631 AUD
View
B+
Retailer 13
-
$12,362 AUD
View
B+
Retailer 14
-
$13,072 AUD
View
B+
Retailer 15
-
$14,892 AUD
View
B
Retailer 16
-
$17,921 AUD
View
Most Expensive
B
Diamond Quarter
1.5IFH663891A8N · Nov 5
$19,517 AUD
£10,758 GBP
View
16 more retailers have this diamond
Prices start from $8,315 AUDSave up to $11,202 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
$8,315 AUD