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Oval|Natural|GIA

1.50ct K SI2 Oval Natural Diamond

ID • K/SI2 • GIA 1527991653

Certificate GIA 1527991653

Diamond specifications and retailer prices

From $3,521 AUD
As of November 6, 2026
Save $4,433 AUD (56%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,954 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1527991653. Listed at 16 retailers as of November 5, 2026, with prices from $3,521 to $7,954, a $4,433 spread on the same certified stone. NZ Jewellers lists it at $7,954. 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
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1527991653
Dimensions8.83 × 6.30 × 4.04 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cavity, Indented Natural, Needle, Natural
Top View
8.83 mm6.30 mm1.50 ctK / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1527991653
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 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: $7,954 AUD|Low: $3,483 AUD|High: $8,206 AUD|Avg: $5,131 AUD|-3.1%
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 14$3,521 AUD
Retailer 11$3,676 AUD
Retailer 2$3,716 AUD
Retailer 8$4,548 AUD
Retailer 4$4,566 AUD
Retailer 15$4,566 AUD
Retailer 10$4,695 AUD
Retailer 7$4,740 AUD
Retailer 3$4,772 AUD
Retailer 9$4,883 AUD
Retailer 5$4,934 AUD
Retailer 6$5,267 AUD
Retailer 13$5,341 AUD
Retailer 12$7,613 AUD
NZ Jewellers$7,954 AUD

24 data points across 15 retailers

16 retailers$3,521 AUD to $7,954 AUD

A
Cheapest Retailer
-
$3,521 AUD
A
Retailer 2
-
$3,676 AUD
View
A
Retailer 3
-
$3,716 AUD
View
B+
Retailer 4
-
$4,475 AUD
View
A
Retailer 5
-
$4,548 AUD
View
Retailer 6
-
$4,566 AUD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$4,566 AUD
View
A
Retailer 8
-
$4,695 AUD
View
A
Retailer 9
-
$4,740 AUD
View
A
Retailer 10
-
$4,772 AUD
View
A
Retailer 11
-
$4,883 AUD
View
A
Retailer 12
-
$4,934 AUD
View
A
Retailer 13
-
$5,267 AUD
View
A
Retailer 14
-
$5,341 AUD
View
B
Retailer 15
-
$7,613 AUD
View
Most Expensive
B
NZ Jewellers
3f6281e7-5b4a-42f3-bd01-5fa1fbb2067a · Nov 5
$7,954 AUD
$5,465 USD
View
15 more retailers have this diamond
Prices start from $3,521 AUDSave up to $4,433 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
$3,521 AUD