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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 $3,123 NZD
As of November 6, 2026
Save $4,622 NZD (60%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,744 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 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 $3,123 to $7,744, a $4,622 spread on the same certified stone. NZ Jewellers lists it at $7,744. 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: $7,744 NZD|Low: $3,123 NZD|High: $7,944 NZD|Avg: $4,482 NZD|-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$3,123 NZD
Retailer 3$3,361 NZD
Retailer 14$3,409 NZD
Retailer 9$3,705 NZD
Retailer 4$3,768 NZD
Retailer 11$3,875 NZD
Retailer 12$3,952 NZD
Retailer 7$4,023 NZD
Retailer 5$4,264 NZD
Retailer 13$4,275 NZD
Retailer 8$4,521 NZD
Retailer 6$5,172 NZD
Retailer 10$6,474 NZD
NZ Jewellers$7,744 NZD

25 data points across 14 retailers

14 retailers$3,123 NZD to $7,744 NZD

A
Cheapest Retailer
-
$3,123 NZD
A
Retailer 2
-
$3,361 NZD
View
A
Retailer 3
-
$3,409 NZD
View
A
Retailer 4
-
$3,705 NZD
View
Retailer 5
-
$3,768 NZD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$3,875 NZD
View
A
Retailer 7
-
$3,952 NZD
View
A
Retailer 8
-
$4,023 NZD
View
A
Retailer 9
-
$4,124 NZD
View
A
Retailer 10
-
$4,264 NZD
View
A
Retailer 11
-
$4,275 NZD
View
A
Retailer 12
-
$4,521 NZD
View
A
Retailer 13
-
$6,474 NZD
View
Most Expensive
B+
NZ Jewellers
f52cb208-bea6-48c9-ab83-04e8cc1e1fc5 · Nov 5
$7,744 NZD
$4,293 USD
View
13 more retailers have this diamond
Prices start from $3,123 NZDSave up to $4,622 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
$3,123 NZD