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Round|Natural|GIA

1.50ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 2538468190

Certificate GIA 2538468190

Diamond specifications and retailer prices

From $8,501 AUD
$5,972 USD
As of October 29, 2026
Save $7,279 AUD (46%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $18,837 AUD at NZ Jewellers · As of September 10, 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2538468190. Listed at 26 retailers as of October 29, 2026, with a 86% 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
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 2538468190
Dimensions7.36 × 7.40 × 4.48 mm
L/W Ratio1.01
Top View
7.36 mm7.40 mm1.50 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2538468190
Side View
Table 61.0%Crown 33°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 60.7%

Caratlytics Score

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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: Oct 29
Current: $10,546 AUD|Low: $7,426 AUD|High: $15,884 AUD|Avg: $10,521 AUD|+0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 7$8,522 AUD
Retailer 5$8,911 AUD
Retailer 6$9,419 AUD
Retailer 8$10,337 AUD
Retailer 2$10,397 AUD
Retailer 1$10,546 AUD
Retailer 4$12,055 AUD
Retailer 3$15,780 AUD

38 data points across 8 retailers

26 retailers$8,501 AUD to $15,780 AUD

A
Cheapest Retailer
-
$8,501 AUD
$5,972 USD
A
Retailer 2
-
$8,522 AUD
$5,987 USD
View
A
Retailer 3
-
$8,747 AUD
View
A
Retailer 4
-
$8,899 AUD
$6,252 USD
View
A
Retailer 5
-
$8,911 AUD
$6,260 USD
View
A
Retailer 6
-
$9,022 AUD
$6,339 USD
View
A
Retailer 7
-
$9,419 AUD
$6,617 USD
View
Final sale: no returns
Retailer 8
-
$9,419 AUD
$6,617 USD
View
Price last confirmed 17 days ago
A
Retailer 9
-
$10,028 AUD
$7,045 USD
View
Retailer 10
-
$10,203 AUD
$7,168 USD
View
Price last confirmed 48 days ago
Retailer 11
-
$10,203 AUD
$7,168 USD
View
Price last confirmed 22 days ago
A
Retailer 12
-
$10,337 AUD
$7,262 USD
View
Retailer 13
-
$10,360 AUD
$7,278 USD
View
Price last confirmed 14 days ago
A
Retailer 14
-
$10,397 AUD
$7,304 USD
View
A
Retailer 15
-
$10,546 AUD
£5,834 GBP
View
A
Retailer 16
-
$10,559 AUD
$7,418 USD
View
B+
Retailer 17
-
$11,088 AUD
$7,790 USD
View
B+
Retailer 18
-
$11,088 AUD
$7,790 USD
View
B+
Retailer 19
-
$11,354 AUD
$7,977 USD
View
B+
Retailer 20
-
$11,458 AUD
$8,050 USD
View
Retailer 21
-
$11,773 AUD
$8,271 USD
View
Price last confirmed 20 days ago
Retailer 22
-
$11,773 AUD
$8,271 USD
View
Price last confirmed 53 days ago
B+
Retailer 23
-
$12,055 AUD
€8,066 EUR
View
B+
Retailer 24
-
$15,780 AUD
£8,729 GBP
View
Retailer 25
-
$18,837 AUD
$13,234 USD
View
Price last confirmed 31 days ago
Most Expensive
NZ Jewellers
f269677c-e2fa-41ae-88f1-d7cac6622f1c · Sep 10
$18,837 AUD
$13,234 USD
View
Price last confirmed 49 days ago
25 more retailers have this diamond
Prices start from $8,501 AUDSave up to $7,279 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
$8,501 AUD