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Oval|Natural|GIA

1.00ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 1559005462

Certificate GIA 1559005462

Diamond specifications and retailer prices

From $4,201 NZD
As of November 6, 2026
Save $5,433 NZD (56%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $9,635 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1559005462. Listed at 24 retailers as of November 5, 2026, with prices from $4,201 to $9,635, a $5,433 spread on the same certified stone. NZ Jewellers lists it at $9,635. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1559005462
Dimensions7.78 × 5.60 × 3.52 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural, Cavity, Cloud, Needle
Top View
7.78 mm5.60 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559005462
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.8%

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: $9,635 NZD|Low: $4,201 NZD|High: $9,687 NZD|Avg: $6,379 NZD|-0.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 6$4,201 NZD
Retailer 2$4,383 NZD
Retailer 18$4,961 NZD
Retailer 19$5,017 NZD
Retailer 8$5,105 NZD
Retailer 12$5,141 NZD
Retailer 13$5,365 NZD
Retailer 20$5,531 NZD
Retailer 11$5,560 NZD
Retailer 16$5,715 NZD
Retailer 3$5,742 NZD
Retailer 7$5,787 NZD
Retailer 14$5,852 NZD
Retailer 4$5,989 NZD
Retailer 5$6,380 NZD
Retailer 15$6,440 NZD
Retailer 17$6,748 NZD
Retailer 9$9,297 NZD
Retailer 10$9,415 NZD
NZ Jewellers$9,635 NZD

22 data points across 20 retailers

24 retailers$4,201 NZD to $9,635 NZD

A
Cheapest Retailer
-
$4,201 NZD
A
Retailer 2
-
$4,383 NZD
View
A
Retailer 3
-
$4,961 NZD
View
A
Retailer 4
-
$5,017 NZD
View
A
Retailer 5
-
$5,105 NZD
View
Final sale: no returns
Retailer 6
-
$5,141 NZD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$5,220 NZD
View
B+
Retailer 8
-
$5,222 NZD
View
A
Retailer 9
-
$5,365 NZD
View
B+
Retailer 10
-
$5,531 NZD
View
Retailer 11
-
$5,560 NZD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$5,567 NZD
View
B+
Retailer 13
-
$5,715 NZD
View
B+
Retailer 14
-
$5,742 NZD
View
B+
Retailer 15
-
$5,787 NZD
View
B+
Retailer 16
-
$5,852 NZD
View
B+
Retailer 17
-
$5,989 NZD
View
Retailer 18
-
$6,032 NZD
View
Price last confirmed 30 days ago
B+
Retailer 19
-
$6,380 NZD
View
B+
Retailer 20
-
$6,440 NZD
View
B+
Retailer 21
-
$6,748 NZD
View
B
Retailer 22
-
$9,297 NZD
View
Retailer 23
-
$9,415 NZD
View
Price last confirmed 9 days ago
Most Expensive
B
NZ Jewellers
bbb670dc-aae2-4de4-9dbc-6d534ec44586 · Nov 5
$9,635 NZD
$5,341 USD
View
23 more retailers have this diamond
Prices start from $4,201 NZDSave up to $5,433 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
$4,201 NZD