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Oval|Natural|GIA

1.00ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 6381650117

Certificate GIA 6381650117

Diamond specifications and retailer prices

From $2,608 AUD
As of November 6, 2026
Save $4,678 AUD (64%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $7,286 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6381650117. Listed at 20 retailers as of November 5, 2026, with prices from $2,608 to $7,286, a $4,678 spread on the same certified stone. NZ Jewellers lists it at $7,286. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6381650117
Dimensions7.55 × 5.49 × 3.55 mm
L/W Ratio1.38
Top View
7.55 mm5.49 mm1.00 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6381650117
Side View
Table 56.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 64.6%

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: $4,327 AUD|Low: $2,413 AUD|High: $6,178 AUD|Avg: $3,680 AUD|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 6$2,608 AUD
Retailer 3$2,828 AUD
Retailer 10$2,851 AUD
Retailer 9$2,914 AUD
Retailer 8$2,925 AUD
Retailer 2$3,302 AUD
Retailer 4$3,687 AUD
Retailer 5$4,253 AUD
Retailer 11$4,289 AUD
Retailer 1$4,327 AUD
Retailer 7$6,137 AUD

45 data points across 11 retailers

20 retailers$2,608 AUD to $7,286 AUD

B+
Cheapest Retailer
-
$2,608 AUD
B+
Retailer 2
-
$2,828 AUD
View
B+
Retailer 3
-
$2,851 AUD
View
B+
Retailer 4
-
$2,914 AUD
View
Final sale: no returns
B+
Retailer 5
-
$2,925 AUD
View
B
Retailer 6
-
$3,072 AUD
View
B
Retailer 7
-
$3,157 AUD
View
Retailer 8
-
$3,157 AUD
View
Price last confirmed 8 days ago
B
Retailer 9
-
$3,180 AUD
View
B+
Retailer 10
-
$3,302 AUD
View
B
Retailer 11
-
$3,643 AUD
View
B
Retailer 12
-
$3,653 AUD
View
B
Retailer 13
-
$3,653 AUD
View
B
Retailer 14
-
$3,687 AUD
View
B
Retailer 15
-
$3,769 AUD
View
B
Retailer 16
-
$4,253 AUD
View
Retailer 17
-
$4,289 AUD
View
Price last confirmed 30 days ago
B
Retailer 18
-
$4,327 AUD
View
Retailer 19
-
$6,137 AUD
View
Price last confirmed 8 days ago
Most Expensive
B
NZ Jewellers
6dbc399b-6a58-4cd3-b752-a1f499bf20e2 · Nov 5
$7,286 AUD
$5,006 USD
View
19 more retailers have this diamond
Prices start from $2,608 AUDSave up to $4,678 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
$2,608 AUD