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Round|Natural|GIA

1.50ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 2557315032

Certificate GIA 2557315032

Diamond specifications and retailer prices

From $7,608 AUD
$5,332 USD
As of November 1, 2026
Save $6,987 AUD (48%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $16,569 AUD at NZ Jewellers · As of October 23, 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557315032. Listed at 18 retailers as of November 1, 2026, with a 92% 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
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2557315032
Dimensions7.31 × 7.22 × 4.55 mm
L/W Ratio1.01
Star length50%
Culet sizeNone
Key to symbols
Cloud, Crystal, Needle, Indented Natural, Natural
Top View
7.31 mm7.22 mm1.50 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2557315032
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.6%

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: $16,569 AUD|Low: $7,467 AUD|High: $16,569 AUD|Avg: $10,710 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
November 2, 2026
Retailer 9$7,834 AUD
Retailer 12$8,285 AUD
Retailer 3$8,975 AUD
Retailer 10$8,975 AUD
Retailer 5$9,139 AUD
Retailer 4$9,360 AUD
Retailer 7$9,438 AUD
Retailer 11$10,355 AUD
Retailer 6$10,518 AUD
Retailer 2$10,591 AUD
Retailer 8$14,595 AUD
NZ Jewellers$16,569 AUD

35 data points across 12 retailers

18 retailers$7,608 AUD to $14,595 AUD

A
Cheapest Retailer
-
$7,608 AUD
$5,332 USD
A
Retailer 2
-
$7,828 AUD
$5,486 USD
View
A
Retailer 3
-
$7,834 AUD
$5,490 USD
View
A
Retailer 4
-
$7,932 AUD
$5,559 USD
View
A
Retailer 5
-
$8,285 AUD
$5,806 USD
View
Final sale: no returns
A
Retailer 6
-
$8,843 AUD
$6,197 USD
View
Retailer 7
-
$8,975 AUD
$6,290 USD
View
Price last confirmed 8 days ago
Retailer 8
-
$8,975 AUD
$6,290 USD
View
Price last confirmed 8 days ago
Retailer 9
-
$9,051 AUD
$6,343 USD
View
Price last confirmed 19 days ago
B+
Retailer 10
-
$9,139 AUD
$6,405 USD
View
B+
Retailer 11
-
$9,360 AUD
$6,560 USD
View
A
Retailer 12
-
$9,438 AUD
£5,208 GBP
View
Retailer 13
-
$10,355 AUD
$7,257 USD
View
Price last confirmed 10 days ago
B+
Retailer 14
-
$10,518 AUD
£5,804 GBP
View
B+
Retailer 15
-
$10,591 AUD
€7,069 EUR
View
Retailer 16
-
$14,362 AUD
$10,065 USD
View
Price last confirmed 10 days ago
B
Retailer 17
-
$14,595 AUD
£8,054 GBP
View
Most Expensive
NZ Jewellers
b1440a40-da58-491f-ab0a-10995370d40b · Oct 23
$16,569 AUD
$11,612 USD
View
Price last confirmed 10 days ago
17 more retailers have this diamond
Prices start from $7,608 AUDSave up to $6,987 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
$7,608 AUD