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Round|Natural|GIA

1.50ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6243054733

Certificate GIA 6243054733

Diamond specifications and retailer prices

From $5,028 AUD
As of November 5, 2026
Save $3,769 AUD (43%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,798 AUD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6243054733. Listed at 10 retailers as of November 5, 2026, with prices from $5,028 to $8,798, a $3,769 spread on the same certified stone. Wholesale Diamonds Direct lists it at $8,798. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6243054733
Dimensions7.24 × 7.29 × 4.56 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.24 mm7.29 mm1.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6243054733
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.7%

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: $5,141 AUD|Low: $5,001 AUD|High: $9,680 AUD|Avg: $6,335 AUD|-8.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
November 5, 2026
Retailer 2$5,028 AUD
Retailer 1$5,141 AUD
Retailer 8$5,253 AUD
Retailer 9$5,318 AUD
Retailer 4$5,517 AUD
Retailer 6$5,785 AUD
Retailer 7$6,193 AUD
Retailer 3$6,373 AUD
Retailer 5$6,485 AUD
Wholesale Diamonds Direct$8,798 AUD

38 data points across 10 retailers

10 retailers$5,028 AUD to $8,798 AUD

A
Cheapest Retailer
-
$5,028 AUD
A
Retailer 2
-
$5,141 AUD
View
A
Retailer 3
-
$5,253 AUD
View
Retailer 4
-
$5,318 AUD
View
Price last confirmed 25 days ago
A
Retailer 5
-
$5,517 AUD
View
A
Retailer 6
-
$5,785 AUD
View
A
Retailer 7
-
$6,193 AUD
View
A
Retailer 8
-
$6,373 AUD
View
A
Retailer 9
-
$6,485 AUD
View
Most Expensive
B+
Wholesale Diamonds Direct
388123731 · Nov 6
$8,798 AUD
$6,159 USD
View
9 more retailers have this diamond
Prices start from $5,028 AUDSave up to $3,769 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
$5,028 AUD