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Oval|Natural|GIA

1.50ct K SI1 Oval Natural Diamond

EX • K/SI1 • GIA 1538898295

Certificate GIA 1538898295

Diamond specifications and retailer prices

From $2,519 AUD
As of November 6, 2026
Save $3,729 AUD (60%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,248 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 1538898295. Listed at 14 retailers as of November 5, 2026, with prices from $2,519 to $6,248, a $3,729 spread on the same certified stone. NZ Jewellers lists it at $6,248. 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
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1538898295
Dimensions8.65 × 6.39 × 4.07 mm
L/W Ratio1.35
Top View
8.65 mm6.39 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1538898295
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.6%

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: $6,248 AUD|Low: $2,519 AUD|High: $6,410 AUD|Avg: $3,616 AUD|-1.7%
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 2$2,519 AUD
Retailer 3$2,711 AUD
Retailer 14$2,751 AUD
Retailer 9$2,989 AUD
Retailer 4$3,040 AUD
Retailer 11$3,126 AUD
Retailer 12$3,189 AUD
Retailer 7$3,246 AUD
Retailer 5$3,441 AUD
Retailer 13$3,449 AUD
Retailer 8$3,647 AUD
Retailer 6$4,173 AUD
Retailer 10$5,223 AUD
NZ Jewellers$6,248 AUD

25 data points across 14 retailers

14 retailers$2,519 AUD to $6,248 AUD

A
Cheapest Retailer
-
$2,519 AUD
A
Retailer 2
-
$2,711 AUD
View
A
Retailer 3
-
$2,751 AUD
View
A
Retailer 4
-
$2,989 AUD
View
Retailer 5
-
$3,040 AUD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$3,126 AUD
View
A
Retailer 7
-
$3,189 AUD
View
A
Retailer 8
-
$3,246 AUD
View
A
Retailer 9
-
$3,327 AUD
View
A
Retailer 10
-
$3,441 AUD
View
A
Retailer 11
-
$3,449 AUD
View
A
Retailer 12
-
$3,647 AUD
View
A
Retailer 13
-
$5,223 AUD
View
Most Expensive
B+
NZ Jewellers
f52cb208-bea6-48c9-ab83-04e8cc1e1fc5 · Nov 5
$6,248 AUD
$4,293 USD
View
13 more retailers have this diamond
Prices start from $2,519 AUDSave up to $3,729 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
$2,519 AUD