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Oval|Natural|GIA

1.00ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 2407712266

Certificate GIA 2407712266

Diamond specifications and retailer prices

From $3,647 NZD
As of November 6, 2026
Save $6,539 NZD (64%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $10,187 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 2407712266. Listed at 21 retailers as of November 5, 2026, with prices from $3,647 to $10,187, a $6,539 spread on the same certified stone. NZ Jewellers lists it at $10,187. 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 2407712266
Dimensions8.04 × 5.30 × 3.47 mm
L/W Ratio1.52
Top View
8.04 mm5.30 mm1.00 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2407712266
Side View
Table 57.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 65.6%

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: $6,050 NZD|Low: $3,393 NZD|High: $8,639 NZD|Avg: $5,071 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 7$3,647 NZD
Retailer 3$3,913 NZD
Retailer 10$3,988 NZD
Retailer 9$4,073 NZD
Retailer 8$4,077 NZD
Retailer 2$4,618 NZD
Retailer 4$5,157 NZD
Retailer 11$5,459 NZD
Retailer 5$5,947 NZD
Retailer 1$6,050 NZD
Retailer 6$8,513 NZD

46 data points across 11 retailers

21 retailers$3,647 NZD to $10,187 NZD

B+
Cheapest Retailer
-
$3,647 NZD
B
Retailer 2
-
$3,913 NZD
View
B
Retailer 3
-
$3,988 NZD
View
B
Retailer 4
-
$3,996 NZD
View
B
Retailer 5
-
$4,073 NZD
View
Final sale: no returns
B
Retailer 6
-
$4,077 NZD
View
B
Retailer 7
-
$4,295 NZD
View
B
Retailer 8
-
$4,414 NZD
View
Retailer 9
-
$4,414 NZD
View
Price last confirmed 8 days ago
B
Retailer 10
-
$4,618 NZD
View
B
Retailer 11
-
$4,652 NZD
View
B
Retailer 12
-
$5,069 NZD
View
B
Retailer 13
-
$5,069 NZD
View
B
Retailer 14
-
$5,094 NZD
View
B
Retailer 15
-
$5,157 NZD
View
B
Retailer 16
-
$5,231 NZD
View
Retailer 17
-
$5,459 NZD
View
Price last confirmed 30 days ago
B
Retailer 18
-
$5,947 NZD
View
B
Retailer 19
-
$6,050 NZD
View
B
Retailer 20
-
$8,513 NZD
View
Most Expensive
B
NZ Jewellers
0d96e3d1-d7d6-446d-a4a5-aac496908631 · Nov 5
$10,187 NZD
$5,647 USD
View
20 more retailers have this diamond
Prices start from $3,647 NZDSave up to $6,539 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
$3,647 NZD