CaratHunter
Plans
Oval|Natural|GIA

1.25ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 2537454393

Certificate GIA 2537454393

Diamond specifications and retailer prices

From $4,001 NZD
As of November 2, 2026
Save $4,576 NZD (53%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $8,578 NZD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.25ct natural oval diamond

This 1.25ct natural oval sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2537454393. Listed at 8 retailers as of November 2, 2026, with prices from $4,001 to $8,578, a $4,576 spread on the same certified stone. NZ Jewellers lists it at $8,578. 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

1.25
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle37.54°
Pavilion angle35.69°
OriginNatural
Grading LabGIA
CertificateGIA 2537454393
Dimensions8.79 × 6.06 × 3.46 mm
L/W Ratio1.45
Top View
8.79 mm6.06 mm1.25 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2537454393
Side View
Table 58.0%Crown 37.54°GirdlePavilion 35.69°Culet: NoneDepth 57.1%

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 2
Current: $8,578 NZD|Low: $4,001 NZD|High: $8,744 NZD|Avg: $5,322 NZD|-1.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 4$4,001 NZD
Retailer 6$4,010 NZD
Retailer 5$4,102 NZD
Retailer 7$4,113 NZD
Retailer 3$4,291 NZD
Retailer 9$4,678 NZD
Retailer 8$5,148 NZD
Retailer 2$7,185 NZD
NZ Jewellers$8,578 NZD

33 data points across 9 retailers

8 retailers$4,001 NZD to $8,578 NZD

A
Cheapest Retailer
-
$4,001 NZD
A
Retailer 2
-
$4,010 NZD
View
A
Retailer 3
-
$4,102 NZD
View
A
Retailer 4
-
$4,113 NZD
View
A
Retailer 5
-
$4,291 NZD
View
Retailer 6
-
$5,148 NZD
View
Price last confirmed 31 days ago
B
Retailer 7
-
$7,185 NZD
View
Most Expensive
B
NZ Jewellers
4834c5c6-569e-487c-8bde-65b0d5e845c8 · Nov 2
$8,578 NZD
$4,755 USD
View
7 more retailers have this diamond
Prices start from $4,001 NZDSave up to $4,576 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
1.25ct Oval
$4,001 NZD