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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 $3,779 NZD
As of November 6, 2026
Save $5,877 NZD (61%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $9,656 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 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 $3,779 to $9,656, a $5,877 spread on the same certified stone. NZ Jewellers lists it at $9,656. 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: $9,656 NZD|Low: $3,878 NZD|High: $9,656 NZD|Avg: $5,396 NZD
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$3,878 NZD
Retailer 10$4,185 NZD
Retailer 4$4,337 NZD
Retailer 7$4,374 NZD
Retailer 8$4,378 NZD
Retailer 2$4,602 NZD
Retailer 9$4,827 NZD
Retailer 3$5,736 NZD
Retailer 5$8,071 NZD
NZ Jewellers$9,656 NZD

39 data points across 10 retailers

18 retailers$3,779 NZD to $9,656 NZD

B+
Cheapest Retailer
-
$3,779 NZD
B+
Retailer 2
-
$3,878 NZD
View
B
Retailer 3
-
$4,037 NZD
View
Retailer 4
-
$4,185 NZD
View
Price last confirmed 8 days ago
B
Retailer 5
-
$4,185 NZD
View
B
Retailer 6
-
$4,273 NZD
View
B
Retailer 7
-
$4,293 NZD
View
B+
Retailer 8
-
$4,337 NZD
View
B
Retailer 9
-
$4,374 NZD
View
B
Retailer 10
-
$4,378 NZD
View
B
Retailer 11
-
$4,602 NZD
View
B
Retailer 12
-
$4,618 NZD
View
B
Retailer 13
-
$4,618 NZD
View
B
Retailer 14
-
$4,780 NZD
View
B
Retailer 15
-
$4,827 NZD
View
B
Retailer 16
-
$5,736 NZD
View
B
Retailer 17
-
$8,071 NZD
View
Most Expensive
C
NZ Jewellers
4e2cce91-0ccf-457e-ba67-07088b2a64f5 · Nov 5
$9,656 NZD
$5,353 USD
View
17 more retailers have this diamond
Prices start from $3,779 NZDSave up to $5,877 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
$3,779 NZD