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Round|Natural|GIA

1.50ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 6565103594

Certificate GIA 6565103594

Diamond specifications and retailer prices

From $3,456 AUD
As of November 1, 2026
Save $2,790 AUD (45%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,007 AUD at NZ Jewellers · As of October 17, 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 M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6565103594. Listed at 12 retailers as of November 1, 2026, with a 81% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
M
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6565103594
Dimensions7.40 × 7.43 × 4.48 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Cavity, Cloud, Needle, Pinpoint
Top View
7.40 mm7.43 mm1.50 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565103594
Side View
Table 57.0%Crown 33.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.5%

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: $6,245 AUD|Low: $3,456 AUD|High: $6,245 AUD|Avg: $4,730 AUD|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5$3,456 AUD
Retailer 4$3,674 AUD
Retailer 6$4,250 AUD
Retailer 2$4,323 AUD
Retailer 3$5,497 AUD
Retailer 1$6,245 AUD

44 data points across 6 retailers

12 retailers$3,456 AUD to $6,245 AUD

A
Cheapest Retailer
-
$3,456 AUD
A
Retailer 2
-
$3,674 AUD
View
B+
Retailer 3
-
$4,250 AUD
View
B+
Retailer 4
-
$4,323 AUD
View
B+
Retailer 5
-
$4,520 AUD
View
Retailer 6
-
$4,595 AUD
View
Price last confirmed 17 days ago
Retailer 7
-
$4,595 AUD
View
Price last confirmed 21 days ago
Retailer 8
-
$4,773 AUD
View
Price last confirmed 22 days ago
Retailer 9
-
$5,303 AUD
View
Price last confirmed 19 days ago
B
Retailer 10
-
$5,497 AUD
View
B
Retailer 11
-
$6,245 AUD
View
Most Expensive
NZ Jewellers
655cf83f-817d-42f6-b6bd-30c9abc17357 · Oct 17
$8,007 AUD
$5,605 USD
View
Price last confirmed 19 days ago
11 more retailers have this diamond
Prices start from $3,456 AUDSave up to $2,790 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
$3,456 AUD