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Round|Natural|GIA

1.50ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 5543365409

Certificate GIA 5543365409

Diamond specifications and retailer prices

From $7,542 AUD
As of November 4, 2026
Save $8,500 AUD (53%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $16,042 AUD at NZ Jewellers · As of November 5, 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5543365409. Listed at 19 retailers as of November 4, 2026, with prices from $7,542 to $16,042, a $8,500 spread on the same certified stone. NZ Jewellers lists it at $16,042. 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
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5543365409
Dimensions7.38 × 7.43 × 4.45 mm
L/W Ratio1.01
Top View
7.38 mm7.43 mm1.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5543365409
Side View
Table 60.0%Crown 32°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.0%

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 4
Current: $16,042 AUD|Low: $7,351 AUD|High: $16,042 AUD|Avg: $10,015 AUD
NZ Jewellers
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
Retailer 17
Retailer 18
November 6, 2026
Retailer 10$7,578 AUD
Retailer 3$7,752 AUD
Retailer 18$8,021 AUD
Retailer 4$8,567 AUD
Retailer 14$8,690 AUD
Retailer 15$8,690 AUD
Retailer 16$8,690 AUD
Retailer 5$8,711 AUD
Retailer 2$9,048 AUD
Retailer 7$9,300 AUD
Retailer 8$9,300 AUD
Retailer 9$9,614 AUD
Retailer 17$10,027 AUD
Retailer 11$10,398 AUD
Retailer 6$10,574 AUD
Retailer 12$14,092 AUD
Retailer 13$14,612 AUD
NZ Jewellers$16,042 AUD

26 data points across 18 retailers

19 retailers$7,542 AUD to $16,042 AUD

A
Cheapest Retailer
-
$7,542 AUD
A
Retailer 2
-
$7,578 AUD
View
A
Retailer 3
-
$7,752 AUD
View
A
Retailer 4
-
$8,021 AUD
View
Final sale: no returns
A
Retailer 5
-
$8,567 AUD
View
A
Retailer 6
-
$8,690 AUD
View
A
Retailer 7
-
$8,690 AUD
View
Retailer 8
-
$8,690 AUD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$8,711 AUD
View
A
Retailer 10
-
$9,048 AUD
View
B+
Retailer 11
-
$9,300 AUD
View
B+
Retailer 12
-
$9,300 AUD
View
B+
Retailer 13
-
$9,614 AUD
View
B+
Retailer 14
-
$10,027 AUD
View
B+
Retailer 15
-
$10,398 AUD
View
Retailer 16
-
$10,574 AUD
View
Price last confirmed 22 days ago
B+
Retailer 17
-
$14,092 AUD
View
Retailer 18
-
$14,612 AUD
View
Price last confirmed 9 days ago
Most Expensive
B
NZ Jewellers
caf821d9-5a0d-4e62-ad17-65b307026dfd · Nov 5
$16,042 AUD
$11,230 USD
View
18 more retailers have this diamond
Prices start from $7,542 AUDSave up to $8,500 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
$7,542 AUD