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Oval|Natural|GIA

1.50ct I VS1 Oval Natural Diamond

VG • I/VS1 • GIA 1528591978

Certificate GIA 1528591978

Diamond specifications and retailer prices

From $8,815 AUD
As of November 4, 2026
Save $11,114 AUD (56%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $19,929 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 VS1 clarity (very-slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 1528591978. Listed at 24 retailers as of November 4, 2026, with prices from $8,815 to $19,929, a $11,114 spread on the same certified stone. NZ Jewellers lists it at $19,929. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
I
Colour
VS1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1528591978
Dimensions9.03 × 6.45 × 4.01 mm
L/W Ratio1.40
Culet sizeNone
Key to symbols
Crystal, Needle, Pinpoint
Top View
9.03 mm6.45 mm1.50 ctI / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1528591978
Side View
Table 62.0%CrownGirdle: ThickPavilionCulet: NoneDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $19,929 AUD|Low: $8,815 AUD|High: $19,929 AUD|Avg: $12,182 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
Retailer 20
Retailer 21
Retailer 22
November 6, 2026
Retailer 8$8,815 AUD
Retailer 10$9,250 AUD
Retailer 4$9,414 AUD
Retailer 22$9,472 AUD
Retailer 9$9,965 AUD
Retailer 6$9,971 AUD
Retailer 20$10,795 AUD
Retailer 18$10,961 AUD
Retailer 16$11,001 AUD
Retailer 2$11,137 AUD
Retailer 5$11,427 AUD
Retailer 12$12,008 AUD
Retailer 3$12,314 AUD
Retailer 14$12,314 AUD
Retailer 21$12,457 AUD
Retailer 15$12,728 AUD
Retailer 11$12,751 AUD
Retailer 7$12,888 AUD
Retailer 19$13,014 AUD
Retailer 13$14,536 AUD
Retailer 17$16,561 AUD
NZ Jewellers$19,929 AUD

39 data points across 22 retailers

24 retailers$8,815 AUD to $19,929 AUD

A
Cheapest Retailer
-
$8,815 AUD
A
Retailer 2
-
$9,250 AUD
View
A
Retailer 3
-
$9,414 AUD
View
A
Retailer 4
-
$9,472 AUD
View
A
Retailer 5
-
$9,965 AUD
View
Final sale: no returns
A
Retailer 6
-
$9,971 AUD
View
Retailer 7
-
$10,144 AUD
View
Price last confirmed 21 days ago
B+
Retailer 8
-
$10,795 AUD
View
B+
Retailer 9
-
$10,961 AUD
View
B+
Retailer 10
-
$11,001 AUD
View
B+
Retailer 11
-
$11,137 AUD
View
Retailer 12
-
$11,427 AUD
View
Price last confirmed 15 days ago
B+
Retailer 13
-
$11,599 AUD
View
B+
Retailer 14
-
$12,008 AUD
View
B+
Retailer 15
-
$12,314 AUD
View
B+
Retailer 16
-
$12,314 AUD
View
B+
Retailer 17
-
$12,457 AUD
View
B+
Retailer 18
-
$12,728 AUD
View
B+
Retailer 19
-
$12,751 AUD
View
B+
Retailer 20
-
$12,888 AUD
View
B+
Retailer 21
-
$13,014 AUD
View
B
Retailer 22
-
$14,536 AUD
View
B
Retailer 23
-
$16,561 AUD
View
Most Expensive
B
NZ Jewellers
e1a5941f-61aa-4e9b-a687-3b5ae520fe4a · Nov 5
$19,929 AUD
$13,951 USD
View
23 more retailers have this diamond
Prices start from $8,815 AUDSave up to $11,114 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
$8,815 AUD