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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 $3,233 NZD
As of November 6, 2026
Save $5,798 NZD (64%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $9,030 NZD 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 $3,233 to $9,030, a $5,798 spread on the same certified stone. NZ Jewellers lists it at $9,030. 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: $5,363 NZD|Low: $2,991 NZD|High: $7,658 NZD|Avg: $4,561 NZD|+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$3,233 NZD
Retailer 3$3,505 NZD
Retailer 10$3,534 NZD
Retailer 9$3,611 NZD
Retailer 8$3,626 NZD
Retailer 2$4,093 NZD
Retailer 4$4,569 NZD
Retailer 5$5,271 NZD
Retailer 11$5,316 NZD
Retailer 1$5,363 NZD
Retailer 7$7,607 NZD

45 data points across 11 retailers

20 retailers$3,233 NZD to $9,030 NZD

B+
Cheapest Retailer
-
$3,233 NZD
B+
Retailer 2
-
$3,505 NZD
View
B+
Retailer 3
-
$3,534 NZD
View
B+
Retailer 4
-
$3,611 NZD
View
Final sale: no returns
B+
Retailer 5
-
$3,626 NZD
View
B
Retailer 6
-
$3,808 NZD
View
B
Retailer 7
-
$3,913 NZD
View
Retailer 8
-
$3,913 NZD
View
Price last confirmed 8 days ago
B
Retailer 9
-
$3,942 NZD
View
B+
Retailer 10
-
$4,093 NZD
View
B
Retailer 11
-
$4,515 NZD
View
B
Retailer 12
-
$4,528 NZD
View
B
Retailer 13
-
$4,528 NZD
View
B
Retailer 14
-
$4,569 NZD
View
B
Retailer 15
-
$4,672 NZD
View
B
Retailer 16
-
$5,271 NZD
View
Retailer 17
-
$5,316 NZD
View
Price last confirmed 30 days ago
B
Retailer 18
-
$5,363 NZD
View
Retailer 19
-
$7,607 NZD
View
Price last confirmed 8 days ago
Most Expensive
B
NZ Jewellers
6dbc399b-6a58-4cd3-b752-a1f499bf20e2 · Nov 5
$9,030 NZD
$5,006 USD
View
19 more retailers have this diamond
Prices start from $3,233 NZDSave up to $5,798 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.

B+
1.00ct Oval
$3,233 NZD