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Oval|Natural|GIA

1.50ct K SI1 Oval Natural Diamond

EX • K/SI1 • GIA 7438016261

Certificate GIA 7438016261

Diamond specifications and retailer prices

From $3,983 AUD
As of November 4, 2026
Save $5,058 AUD (56%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $9,041 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 7438016261. Listed at 21 retailers as of November 4, 2026, with prices from $3,983 to $9,041, a $5,058 spread on the same certified stone. NZ Jewellers lists it at $9,041. 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
Crown angle46.51°
Pavilion angle40.93°
OriginNatural
Grading LabGIA
CertificateGIA 7438016261
Dimensions8.09 × 6.09 × 4.25 mm
L/W Ratio1.33
Top View
8.09 mm6.09 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7438016261
Side View
Table 61.0%Crown 46.51°Girdle: THK-VTKPavilion 40.93°Culet: NoneDepth 69.7%

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 4
Current: $9,041 AUD|Low: $3,983 AUD|High: $9,156 AUD|Avg: $5,747 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
November 6, 2026
Retailer 19$3,983 AUD
Retailer 3$4,087 AUD
Retailer 17$4,091 AUD
Retailer 8$4,157 AUD
Retailer 15$4,173 AUD
Retailer 11$4,184 AUD
Retailer 7$4,555 AUD
Retailer 10$4,701 AUD
Retailer 5$4,726 AUD
Retailer 18$4,881 AUD
Retailer 2$5,034 AUD
Retailer 4$5,151 AUD
Retailer 13$5,369 AUD
Retailer 6$5,424 AUD
Retailer 12$5,698 AUD
Retailer 14$6,334 AUD
Retailer 9$7,492 AUD
Retailer 16$8,654 AUD
NZ Jewellers$9,041 AUD

33 data points across 19 retailers

21 retailers$3,983 AUD to $9,041 AUD

A
Cheapest Retailer
-
$3,983 AUD
A
Retailer 2
-
$4,087 AUD
View
A
Retailer 3
-
$4,091 AUD
View
A
Retailer 4
-
$4,157 AUD
View
A
Retailer 5
-
$4,173 AUD
View
Retailer 6
-
$4,184 AUD
View
Price last confirmed 16 days ago
A
Retailer 7
-
$4,305 AUD
View
A
Retailer 8
-
$4,555 AUD
View
B+
Retailer 9
-
$4,701 AUD
View
B+
Retailer 10
-
$4,726 AUD
View
B+
Retailer 11
-
$4,881 AUD
View
Retailer 12
-
$4,934 AUD
View
Price last confirmed 8 days ago
A
Retailer 13
-
$5,034 AUD
View
B+
Retailer 14
-
$5,151 AUD
View
A
Retailer 15
-
$5,369 AUD
View
B+
Retailer 16
-
$5,424 AUD
View
B+
Retailer 17
-
$5,698 AUD
View
B+
Retailer 18
-
$6,334 AUD
View
B
Retailer 19
-
$7,492 AUD
View
B
Retailer 20
-
$8,654 AUD
View
Most Expensive
B
NZ Jewellers
9ace773d-1f6b-4621-be2f-312a8e48e714 · Nov 5
$9,041 AUD
$6,212 USD
View
20 more retailers have this diamond
Prices start from $3,983 AUDSave up to $5,058 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
$3,983 AUD