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Oval|Natural|GIA

1.50ct L SI1 Oval Natural Diamond

EX • L/SI1 • GIA 1558304891

Certificate GIA 1558304891

Diamond specifications and retailer prices

From $2,067 AUD
As of November 6, 2026
Save $4,732 AUD (70%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,798 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 L 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 1558304891. Listed at 16 retailers as of November 5, 2026, with prices from $2,067 to $6,798, a $4,732 spread on the same certified stone. NZ Jewellers lists it at $6,798. 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
L
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1558304891
Dimensions9.06 × 6.11 × 3.92 mm
L/W Ratio1.48
Top View
9.06 mm6.11 mm1.50 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558304891
Side View
Table 59.0%CrownGirdlePavilionCulet: NDepth 64.2%

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: $6,798 AUD|Low: $2,067 AUD|High: $7,056 AUD|Avg: $3,390 AUD|+8.5%
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
November 6, 2026
Retailer 3$2,067 AUD
Retailer 14$2,538 AUD
Retailer 2$2,741 AUD
Retailer 12$2,787 AUD
Retailer 6$2,807 AUD
Retailer 13$2,853 AUD
Retailer 5$2,893 AUD
Retailer 15$2,917 AUD
Retailer 8$2,986 AUD
Retailer 10$3,026 AUD
Retailer 4$3,216 AUD
Retailer 11$3,401 AUD
Retailer 9$3,785 AUD
Retailer 7$4,113 AUD
NZ Jewellers$6,798 AUD

25 data points across 15 retailers

16 retailers$2,067 AUD to $6,798 AUD

A
Cheapest Retailer
-
$2,067 AUD
A
Retailer 2
-
$2,538 AUD
View
A
Retailer 3
-
$2,741 AUD
View
A
Retailer 4
-
$2,787 AUD
View
B+
Retailer 5
-
$2,807 AUD
View
A
Retailer 6
-
$2,853 AUD
View
Retailer 7
-
$2,893 AUD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$2,917 AUD
View
A
Retailer 9
-
$2,986 AUD
View
A
Retailer 10
-
$3,026 AUD
View
A
Retailer 11
-
$3,216 AUD
View
B+
Retailer 12
-
$3,401 AUD
View
B+
Retailer 13
-
$3,785 AUD
View
B+
Retailer 14
-
$4,113 AUD
View
Retailer 15
-
$6,268 AUD
View
Price last confirmed 23 days ago
Most Expensive
C
NZ Jewellers
4ed4f9ff-f650-463b-adb3-47f8af490fff · Nov 5
$6,798 AUD
$4,671 USD
View
15 more retailers have this diamond
Prices start from $2,067 AUDSave up to $4,732 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
$2,067 AUD