Oval|Natural|GIA

1.50ct K SI1 Oval Natural Diamond

EX • K/SI1 • GIA 3565306369

Certificate GIA 3565306369

Diamond specifications and retailer prices

From $4,173 AUD
As of November 6, 2026
Save $5,468 AUD (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $9,641 AUD at NZ Jewellers · As of November 5, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3565306369. Listed at 18 retailers as of November 5, 2026, with prices from $4,173 to $9,641, a $5,468 spread on the same certified stone. NZ Jewellers lists it at $9,641. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3565306369
Dimensions8.82 × 6.44 × 4.08 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural, Cavity, Needle
Top View
8.82 mm6.44 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3565306369
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.4%

Caratlytics Score

How it works →
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: Nov 6
Current: $9,641 AUD|Low: $4,173 AUD|High: $9,641 AUD|Avg: $6,019 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
November 6, 2026
Retailer 13$4,173 AUD
Retailer 9$4,210 AUD
Retailer 2$4,394 AUD
Retailer 6$4,992 AUD
Retailer 7$5,368 AUD
Retailer 5$5,533 AUD
Retailer 14$5,533 AUD
Retailer 10$5,727 AUD
Retailer 3$5,746 AUD
Retailer 4$6,385 AUD
Retailer 12$6,477 AUD
Retailer 8$6,755 AUD
Retailer 11$9,230 AUD
NZ Jewellers$9,641 AUD

26 data points across 14 retailers

18 retailers$4,173 AUD to $9,641 AUD

A
Cheapest Retailer
-
$4,173 AUD
A
Retailer 2
-
$4,210 AUD
View
A
Retailer 3
-
$4,394 AUD
View
Retailer 4
-
$4,992 AUD
View
Price last confirmed 16 days ago
B+
Retailer 5
-
$5,011 AUD
View
B+
Retailer 6
-
$5,081 AUD
View
B+
Retailer 7
-
$5,087 AUD
View
A
Retailer 8
-
$5,368 AUD
View
B+
Retailer 9
-
$5,533 AUD
View
Retailer 10
-
$5,533 AUD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$5,727 AUD
View
B+
Retailer 12
-
$5,746 AUD
View
B+
Retailer 13
-
$5,746 AUD
View
B+
Retailer 14
-
$6,385 AUD
View
B+
Retailer 15
-
$6,477 AUD
View
B+
Retailer 16
-
$6,755 AUD
View
B
Retailer 17
-
$9,230 AUD
View
Most Expensive
B
NZ Jewellers
b986c585-85e7-4018-a6ad-fef76a073818 · Nov 5
$9,641 AUD
$6,624 USD
View
17 more retailers have this diamond
Prices start from $4,173 AUDSave up to $5,468 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
$4,173 AUD