CaratHunter
Plans
Oval|Natural|GIA

1.00ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 1553987872

Certificate GIA 1553987872

Diamond specifications and retailer prices

From $2,453 NZD
As of November 6, 2026
Save $5,484 NZD (69%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,805 NZD at NZ Jewellers · As of August 29, 2026
View at NZ Jewellers

About this 1ct natural oval diamond

This 1ct natural oval sits in the classic one-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 1553987872. Listed at 12 retailers as of November 5, 2026, with a 224% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.00
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553987872
Dimensions8.16 × 5.53 × 3.44 mm
L/W Ratio1.48
Girdle conditionThick
Top View
8.16 mm5.53 mm1.00 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553987872
Side View
Table 55.0%CrownGirdle: MediumPavilionCulet: 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 6
Current: $7,937 NZD|Low: $2,453 NZD|High: $8,323 NZD|Avg: $4,102 NZD|-4.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2$2,453 NZD
Retailer 9$2,596 NZD
Retailer 10$2,966 NZD
Retailer 8$3,355 NZD
Retailer 11$3,501 NZD
Retailer 5$3,613 NZD
Retailer 4$3,972 NZD
Retailer 7$4,441 NZD
Retailer 3$4,504 NZD
Retailer 6$5,686 NZD
NZ Jewellers$7,937 NZD

34 data points across 11 retailers

12 retailers$2,453 NZD to $7,937 NZD

A
Cheapest Retailer
-
$2,453 NZD
A
Retailer 2
-
$2,596 NZD
View
Final sale: no returns
B+
Retailer 3
-
$2,966 NZD
View
B+
Retailer 4
-
$3,355 NZD
View
B+
Retailer 5
-
$3,501 NZD
View
B+
Retailer 6
-
$3,613 NZD
View
B+
Retailer 7
-
$3,972 NZD
View
B+
Retailer 8
-
$4,441 NZD
View
Retailer 9
-
$4,504 NZD
View
Price last confirmed 32 days ago
B
Retailer 10
-
$5,686 NZD
View
B
Retailer 11
-
$7,937 NZD
View
Most Expensive
NZ Jewellers
1efc91e5-184a-41a5-82b1-23cc35e29b1a · Aug 29
$8,805 NZD
$4,881 USD
View
Price last confirmed 69 days ago
11 more retailers have this diamond
Prices start from $2,453 NZDSave up to $5,484 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
1.00ct Oval
$2,453 NZD