CaratHunter
Plans
Oval|Natural|GIA

1.50ct E SI1 Oval Natural Diamond

EX • E/SI1 • GIA 5242048243

Certificate GIA 5242048243

Diamond specifications and retailer prices

From $9,195 AUD
$6,460 USD
As of October 28, 2026
Save $11,337 AUD (55%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $20,533 AUD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.5ct natural oval diamond

This 1.5ct natural oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5242048243. Listed at 22 retailers as of October 27, 2026, with prices from $9,195 to $20,533, a $11,337 spread on the same certified stone. NZ Jewellers lists it at $20,533. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5242048243
Dimensions9.21 × 6.37 × 3.98 mm
L/W Ratio1.45
Culet sizeNone
Top View
9.21 mm6.37 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5242048243
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 62.5%

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: Oct 28
Current: $20,533 AUD|Low: $9,195 AUD|High: $20,533 AUD|Avg: $12,280 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
Retailer 19
Retailer 20
October 29, 2026
Retailer 19$9,195 AUD
Retailer 7$9,612 AUD
Retailer 17$9,858 AUD
Retailer 6$10,256 AUD
Retailer 3$10,266 AUD
Retailer 12$10,569 AUD
Retailer 4$11,121 AUD
Retailer 20$11,293 AUD
Retailer 2$11,438 AUD
Retailer 11$11,485 AUD
Retailer 13$11,553 AUD
Retailer 18$11,622 AUD
Retailer 9$12,241 AUD
Retailer 10$12,241 AUD
Retailer 8$12,654 AUD
Retailer 5$12,833 AUD
Retailer 15$13,394 AUD
Retailer 16$14,948 AUD
Retailer 14$17,200 AUD
NZ Jewellers$20,533 AUD

33 data points across 20 retailers

22 retailers$9,195 AUD to $20,533 AUD

A
Cheapest Retailer
-
$9,195 AUD
$6,460 USD
A
Retailer 2
-
$9,612 AUD
$6,753 USD
View
A
Retailer 3
-
$9,619 AUD
$6,758 USD
View
A
Retailer 4
-
$9,817 AUD
$6,897 USD
View
A
Retailer 5
-
$9,858 AUD
$6,926 USD
View
A
Retailer 6
-
$10,256 AUD
$7,205 USD
View
A
Retailer 7
-
$10,266 AUD
$7,212 USD
View
B+
Retailer 8
-
$10,569 AUD
$7,425 USD
View
B+
Retailer 9
-
$11,121 AUD
$7,813 USD
View
B+
Retailer 10
-
$11,293 AUD
$7,934 USD
View
B+
Retailer 11
-
$11,438 AUD
£6,327 GBP
View
B+
Retailer 12
-
$11,485 AUD
$8,069 USD
View
B+
Retailer 13
-
$11,553 AUD
£6,391 GBP
View
B+
Retailer 14
-
$11,622 AUD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
$12,241 AUD
$8,600 USD
View
B+
Retailer 16
-
$12,241 AUD
$8,600 USD
View
B+
Retailer 17
-
$12,654 AUD
$8,890 USD
View
B+
Retailer 18
-
$12,833 AUD
$9,016 USD
View
B+
Retailer 19
-
$13,394 AUD
€8,962 EUR
View
B+
Retailer 20
-
$14,948 AUD
ZAR 169,650 ZAR
View
B
Retailer 21
-
$17,200 AUD
£9,515 GBP
View
Most Expensive
B
NZ Jewellers
20c3d1fa-fcca-4845-a3bb-2c48535b93d2 · Oct 27
$20,533 AUD
$14,425 USD
View
21 more retailers have this diamond
Prices start from $9,195 AUDSave up to $11,337 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 Oval
$9,195 AUD