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Oval|Natural|GIA

1.00ct E SI2 Oval Natural Diamond

ID • E/SI2 • GIA 1558290450

Certificate GIA 1558290450

Diamond specifications and retailer prices

From $3,440 NZD
As of November 6, 2026
Save $2,273 NZD (40%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $9,570 NZD at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

About this 1ct natural oval diamond

This 1ct natural oval sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1558290450. Listed at 17 retailers as of November 2, 2026, with a 66% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1558290450
Dimensions7.88 × 5.68 × 3.54 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Indented Natural
Top View
7.88 mm5.68 mm1.00 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1558290450
Side View
Table 56.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,590 NZD|Low: $3,417 NZD|High: $8,635 NZD|Avg: $5,209 NZD|-3.6%
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 8$3,440 NZD
Retailer 1$3,590 NZD
Retailer 6$4,034 NZD
Retailer 11$4,223 NZD
Retailer 4$4,786 NZD
Retailer 2$4,831 NZD
Retailer 5$4,843 NZD
Retailer 3$5,069 NZD
Retailer 7$5,713 NZD
Retailer 9$8,062 NZD
Retailer 10$8,614 NZD

32 data points across 11 retailers

17 retailers$3,440 NZD to $5,713 NZD

A
Cheapest Retailer
-
$3,440 NZD
A
Retailer 2
-
$3,590 NZD
View
A
Retailer 3
-
$4,034 NZD
View
A
Retailer 4
-
$4,223 NZD
View
Final sale: no returns
A
Retailer 5
-
$4,284 NZD
View
Retailer 6
-
$4,576 NZD
View
Price last confirmed 21 days ago
Retailer 7
-
$4,576 NZD
View
Price last confirmed 19 days ago
A
Retailer 8
-
$4,786 NZD
View
Retailer 9
-
$4,789 NZD
View
Price last confirmed 21 days ago
A
Retailer 10
-
$4,831 NZD
View
A
Retailer 11
-
$4,843 NZD
View
B+
Retailer 12
-
$5,069 NZD
View
Retailer 13
-
$5,282 NZD
View
Price last confirmed 19 days ago
B+
Retailer 14
-
$5,713 NZD
View
Retailer 15
-
$8,062 NZD
View
Price last confirmed 8 days ago
Retailer 16
-
$8,614 NZD
View
Price last confirmed 9 days ago
Most Expensive
NZ Jewellers
80d6f991-f540-4536-a43b-6cf318c90136 · Oct 17
$9,570 NZD
$5,305 USD
View
Price last confirmed 20 days ago
16 more retailers have this diamond
Prices start from $3,440 NZDSave up to $2,273 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.

A
1.00ct Oval
$3,440 NZD