Round|Natural|GIA

1.50ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 2496875232

Shape and cutting style on the report: Round brilliant

Certificate GIA 2496875232

Diamond specifications and retailer prices

From $3,197 AUD
As of November 6, 2026
Save $6,514 AUD (67%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $9,711 AUD at Adiamor · As of November 5, 2026
View at Adiamor

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2496875232. Listed at 17 retailers as of November 5, 2026, with prices from $3,197 to $9,711, a $6,514 spread on the same certified stone. Adiamor lists it at $9,711. 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
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2496875232
Dimensions7.32 × 7.29 × 4.55 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
7.32 mm7.29 mm1.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2496875232
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,197 AUD|Low: $3,197 AUD|High: $7,540 AUD|Avg: $4,560 AUD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 1$3,197 AUD
Retailer 8$3,236 AUD
Retailer 10$3,804 AUD
Retailer 11$3,988 AUD
Retailer 9$4,017 AUD
Retailer 4$4,501 AUD
Retailer 5$4,554 AUD
Retailer 3$4,627 AUD
Retailer 7$4,633 AUD
Retailer 2$5,983 AUD
Retailer 6$7,430 AUD

42 data points across 11 retailers

17 retailers$3,197 AUD to $9,711 AUD

A
Cheapest Retailer
-
$3,197 AUD
A
Retailer 2
-
$3,236 AUD
View
A
Retailer 3
-
$3,804 AUD
View
A
Retailer 4
-
$3,988 AUD
View
A
Retailer 5
-
$4,017 AUD
View
Retailer 6
-
$4,227 AUD
View
Price last confirmed 109 days ago
Retailer 7
-
$4,455 AUD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$4,455 AUD
View
A
Retailer 9
-
$4,501 AUD
View
A
Retailer 10
-
$4,554 AUD
View
A
Retailer 11
-
$4,627 AUD
View
A
Retailer 12
-
$4,633 AUD
View
A
Retailer 13
-
$4,658 AUD
View
B+
Retailer 14
-
$5,140 AUD
View
B
Retailer 15
-
$7,430 AUD
View
B
Retailer 16
-
$7,761 AUD
View
Most Expensive
B
Adiamor
D-64708989 · Nov 5
$9,711 AUD
$6,798 USD
View
16 more retailers have this diamond
Prices start from $3,197 AUDSave up to $6,514 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
$3,197 AUD