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Oval|Natural|GIA

1.50ct I SI2 Oval Natural Diamond

EX • I/SI2 • GIA 1315028623

Certificate GIA 1315028623

Diamond specifications and retailer prices

From $10,213 AUD
As of November 5, 2026
Save $11,773 AUD (54%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $21,985 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1315028623. Listed at 18 retailers as of November 5, 2026, with prices from $10,213 to $21,985, a $11,773 spread on the same certified stone. NZ Jewellers lists it at $21,985. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1315028623
Dimensions8.78 × 6.19 × 3.96 mm
L/W Ratio1.42
Culet sizeNone
Top View
8.78 mm6.19 mm1.50 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 1315028623
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $21,985 AUD|Low: $9,809 AUD|High: $21,985 AUD|Avg: $13,536 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
November 6, 2026
Retailer 8$9,809 AUD
Retailer 10$10,293 AUD
Retailer 4$10,993 AUD
Retailer 12$11,908 AUD
Retailer 11$12,091 AUD
Retailer 6$12,138 AUD
Retailer 9$12,236 AUD
Retailer 2$12,738 AUD
Retailer 5$13,585 AUD
Retailer 3$13,740 AUD
Retailer 7$18,268 AUD
NZ Jewellers$21,985 AUD

43 data points across 12 retailers

18 retailers$10,213 AUD to $21,985 AUD

Retailer 1
-
$9,809 AUD
Price last confirmed 9 days ago
B
Retailer 2
-
$10,213 AUD
View
B
Retailer 3
-
$10,293 AUD
View
B
Retailer 4
-
$10,870 AUD
View
Retailer 5
-
$10,993 AUD
View
Price last confirmed 8 days ago
B
Retailer 6
-
$11,908 AUD
View
B
Retailer 7
-
$12,091 AUD
View
B
Retailer 8
-
$12,138 AUD
View
B
Retailer 9
-
$12,236 AUD
View
B
Retailer 10
-
$12,611 AUD
View
B
Retailer 11
-
$12,738 AUD
View
B
Retailer 12
-
$13,084 AUD
View
B
Retailer 13
-
$13,084 AUD
View
B
Retailer 14
-
$13,521 AUD
View
B
Retailer 15
-
$13,585 AUD
View
B
Retailer 16
-
$13,740 AUD
View
B
Retailer 17
-
$18,268 AUD
View
Most Expensive
C
NZ Jewellers
c2616155-62b5-44da-912c-262b64860db0 · Nov 5
$21,985 AUD
$15,106 USD
View
17 more retailers have this diamond
Prices start from $10,213 AUDSave up to $11,773 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.

B
1.50ct Oval
$10,213 AUD