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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 $10,978 NZD
As of November 4, 2026
Save $13,840 NZD (56%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $24,817 NZD 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 $10,978 to $24,817, a $13,840 spread on the same certified stone. NZ Jewellers lists it at $24,817. 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: $24,817 NZD|Low: $10,978 NZD|High: $24,817 NZD|Avg: $15,170 NZD
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$10,978 NZD
Retailer 10$11,518 NZD
Retailer 4$11,723 NZD
Retailer 22$11,796 NZD
Retailer 9$12,410 NZD
Retailer 6$12,417 NZD
Retailer 20$13,443 NZD
Retailer 18$13,649 NZD
Retailer 16$13,699 NZD
Retailer 2$13,868 NZD
Retailer 5$14,229 NZD
Retailer 12$14,953 NZD
Retailer 3$15,334 NZD
Retailer 14$15,334 NZD
Retailer 21$15,512 NZD
Retailer 15$15,850 NZD
Retailer 11$15,878 NZD
Retailer 7$16,049 NZD
Retailer 19$16,206 NZD
Retailer 13$18,102 NZD
Retailer 17$20,623 NZD
NZ Jewellers$24,817 NZD

39 data points across 22 retailers

24 retailers$10,978 NZD to $24,817 NZD

A
Cheapest Retailer
-
$10,978 NZD
A
Retailer 2
-
$11,518 NZD
View
A
Retailer 3
-
$11,723 NZD
View
A
Retailer 4
-
$11,796 NZD
View
A
Retailer 5
-
$12,410 NZD
View
Final sale: no returns
A
Retailer 6
-
$12,417 NZD
View
Retailer 7
-
$12,632 NZD
View
Price last confirmed 21 days ago
B+
Retailer 8
-
$13,443 NZD
View
B+
Retailer 9
-
$13,649 NZD
View
B+
Retailer 10
-
$13,699 NZD
View
B+
Retailer 11
-
$13,868 NZD
View
Retailer 12
-
$14,229 NZD
View
Price last confirmed 15 days ago
B+
Retailer 13
-
$14,445 NZD
View
B+
Retailer 14
-
$14,953 NZD
View
B+
Retailer 15
-
$15,334 NZD
View
B+
Retailer 16
-
$15,334 NZD
View
B+
Retailer 17
-
$15,512 NZD
View
B+
Retailer 18
-
$15,850 NZD
View
B+
Retailer 19
-
$15,878 NZD
View
B+
Retailer 20
-
$16,049 NZD
View
B+
Retailer 21
-
$16,206 NZD
View
B
Retailer 22
-
$18,102 NZD
View
B
Retailer 23
-
$20,623 NZD
View
Most Expensive
B
NZ Jewellers
e1a5941f-61aa-4e9b-a687-3b5ae520fe4a · Nov 5
$24,817 NZD
$13,951 USD
View
23 more retailers have this diamond
Prices start from $10,978 NZDSave up to $13,840 NZD

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
$10,978 NZD