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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 $4,364 NZD
As of November 6, 2026
Save $5,495 NZD (56%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $9,858 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 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 $4,364 to $9,858, a $5,495 spread on the same certified stone. NZ Jewellers lists it at $9,858. 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: $9,858 NZD|Low: $4,317 NZD|High: $10,170 NZD|Avg: $6,360 NZD|-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$4,364 NZD
Retailer 11$4,557 NZD
Retailer 2$4,605 NZD
Retailer 8$5,637 NZD
Retailer 4$5,659 NZD
Retailer 15$5,659 NZD
Retailer 10$5,819 NZD
Retailer 7$5,875 NZD
Retailer 3$5,915 NZD
Retailer 9$6,052 NZD
Retailer 5$6,115 NZD
Retailer 6$6,528 NZD
Retailer 13$6,620 NZD
Retailer 12$9,436 NZD
NZ Jewellers$9,858 NZD

24 data points across 15 retailers

16 retailers$4,364 NZD to $9,858 NZD

A
Cheapest Retailer
-
$4,364 NZD
A
Retailer 2
-
$4,557 NZD
View
A
Retailer 3
-
$4,605 NZD
View
B+
Retailer 4
-
$5,547 NZD
View
A
Retailer 5
-
$5,637 NZD
View
Retailer 6
-
$5,659 NZD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$5,659 NZD
View
A
Retailer 8
-
$5,819 NZD
View
A
Retailer 9
-
$5,875 NZD
View
A
Retailer 10
-
$5,915 NZD
View
A
Retailer 11
-
$6,052 NZD
View
A
Retailer 12
-
$6,115 NZD
View
A
Retailer 13
-
$6,528 NZD
View
A
Retailer 14
-
$6,620 NZD
View
B
Retailer 15
-
$9,436 NZD
View
Most Expensive
B
NZ Jewellers
3f6281e7-5b4a-42f3-bd01-5fa1fbb2067a · Nov 5
$9,858 NZD
$5,465 USD
View
15 more retailers have this diamond
Prices start from $4,364 NZDSave up to $5,495 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
$4,364 NZD