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Oval|Natural|GIA

1.00ct J SI2 Oval Natural Diamond

EX • J/SI2 • GIA 2437621276

Certificate GIA 2437621276

Diamond specifications and retailer prices

From $3,049 AUD
As of November 6, 2026
Save $4,742 AUD (61%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $7,791 AUD at NZ Jewellers · As of November 5, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2437621276. Listed at 18 retailers as of November 5, 2026, with prices from $3,049 to $7,791, a $4,742 spread on the same certified stone. NZ Jewellers lists it at $7,791. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2437621276
Dimensions8.15 × 5.41 × 3.38 mm
L/W Ratio1.51
Top View
8.15 mm5.41 mm1.00 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2437621276
Side View
Table 57.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $7,791 AUD|Low: $3,129 AUD|High: $7,791 AUD|Avg: $4,354 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6$3,129 AUD
Retailer 10$3,377 AUD
Retailer 4$3,499 AUD
Retailer 7$3,529 AUD
Retailer 8$3,532 AUD
Retailer 2$3,713 AUD
Retailer 9$3,895 AUD
Retailer 3$4,628 AUD
Retailer 5$6,511 AUD
NZ Jewellers$7,791 AUD

39 data points across 10 retailers

18 retailers$3,049 AUD to $7,791 AUD

B+
Cheapest Retailer
-
$3,049 AUD
B+
Retailer 2
-
$3,129 AUD
View
B
Retailer 3
-
$3,257 AUD
View
Retailer 4
-
$3,377 AUD
View
Price last confirmed 8 days ago
B
Retailer 5
-
$3,377 AUD
View
B
Retailer 6
-
$3,448 AUD
View
B
Retailer 7
-
$3,464 AUD
View
B+
Retailer 8
-
$3,499 AUD
View
B
Retailer 9
-
$3,529 AUD
View
B
Retailer 10
-
$3,532 AUD
View
B
Retailer 11
-
$3,713 AUD
View
B
Retailer 12
-
$3,726 AUD
View
B
Retailer 13
-
$3,726 AUD
View
B
Retailer 14
-
$3,857 AUD
View
B
Retailer 15
-
$3,895 AUD
View
B
Retailer 16
-
$4,628 AUD
View
B
Retailer 17
-
$6,511 AUD
View
Most Expensive
C
NZ Jewellers
4e2cce91-0ccf-457e-ba67-07088b2a64f5 · Nov 5
$7,791 AUD
$5,353 USD
View
17 more retailers have this diamond
Prices start from $3,049 AUDSave up to $4,742 AUD

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.

B+
1.00ct Oval
$3,049 AUD