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Oval|Natural|GIA

1.50ct J SI2 Oval Natural Diamond

EX • J/SI2 • GIA 1537991759

Certificate GIA 1537991759

Diamond specifications and retailer prices

From $5,695 NZD
As of November 6, 2026
Save $1,701 NZD (23%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $7,396 NZD at GemTrove · As of November 6, 2026
View at GemTrove

About this 1.5ct natural oval diamond

This 1.5ct natural oval sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1537991759. Listed at 7 retailers as of November 6, 2026, with prices from $5,695 to $7,396, a $1,701 spread on the same certified stone. GemTrove lists it at $7,396. 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
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1537991759
Dimensions8.32 × 6.42 × 4.25 mm
L/W Ratio1.30
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Cavity, Needle
Top View
8.32 mm6.42 mm1.50 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1537991759
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 66.3%

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 6
Current: $5,695 NZD|Low: $5,248 NZD|High: $7,017 NZD|Avg: $6,137 NZD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1$5,695 NZD
Retailer 3$5,783 NZD
Retailer 4$5,888 NZD
Retailer 6$5,982 NZD
Retailer 2$6,177 NZD
Retailer 5$6,739 NZD

46 data points across 6 retailers

7 retailers$5,695 NZD to $7,396 NZD

A
Cheapest Retailer
-
$5,695 NZD
A
Retailer 2
-
$5,783 NZD
View
A
Retailer 3
-
$5,888 NZD
View
Final sale: no returns
A
Retailer 4
-
$5,982 NZD
View
A
Retailer 5
-
$6,177 NZD
View
B+
Retailer 6
-
$6,739 NZD
View
Most Expensive
B+
GemTrove
GT-N-01286642-98 · Nov 6
$7,396 NZD
A$6,308 AUD
View
6 more retailers have this diamond
Prices start from $5,695 NZDSave up to $1,701 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
$5,695 NZD