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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 $3,390 AUD
As of November 6, 2026
Save $4,384 AUD (56%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $7,773 AUD 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 $3,390 to $7,773, a $4,384 spread on the same certified stone. NZ Jewellers lists it at $7,773. 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: $7,773 AUD|Low: $3,390 AUD|High: $7,815 AUD|Avg: $5,147 AUD|-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$3,390 AUD
Retailer 2$3,537 AUD
Retailer 18$4,002 AUD
Retailer 19$4,047 AUD
Retailer 8$4,119 AUD
Retailer 12$4,148 AUD
Retailer 13$4,328 AUD
Retailer 20$4,462 AUD
Retailer 11$4,486 AUD
Retailer 16$4,611 AUD
Retailer 3$4,633 AUD
Retailer 7$4,669 AUD
Retailer 14$4,721 AUD
Retailer 4$4,832 AUD
Retailer 5$5,148 AUD
Retailer 15$5,196 AUD
Retailer 17$5,445 AUD
Retailer 9$7,501 AUD
Retailer 10$7,596 AUD
NZ Jewellers$7,773 AUD

22 data points across 20 retailers

24 retailers$3,390 AUD to $7,773 AUD

A
Cheapest Retailer
-
$3,390 AUD
A
Retailer 2
-
$3,537 AUD
View
A
Retailer 3
-
$4,002 AUD
View
A
Retailer 4
-
$4,047 AUD
View
A
Retailer 5
-
$4,119 AUD
View
Final sale: no returns
Retailer 6
-
$4,148 AUD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$4,212 AUD
View
B+
Retailer 8
-
$4,213 AUD
View
A
Retailer 9
-
$4,328 AUD
View
B+
Retailer 10
-
$4,462 AUD
View
Retailer 11
-
$4,486 AUD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$4,491 AUD
View
B+
Retailer 13
-
$4,611 AUD
View
B+
Retailer 14
-
$4,633 AUD
View
B+
Retailer 15
-
$4,669 AUD
View
B+
Retailer 16
-
$4,721 AUD
View
B+
Retailer 17
-
$4,832 AUD
View
Retailer 18
-
$4,867 AUD
View
Price last confirmed 30 days ago
B+
Retailer 19
-
$5,148 AUD
View
B+
Retailer 20
-
$5,196 AUD
View
B+
Retailer 21
-
$5,445 AUD
View
B
Retailer 22
-
$7,501 AUD
View
Retailer 23
-
$7,596 AUD
View
Price last confirmed 9 days ago
Most Expensive
B
NZ Jewellers
bbb670dc-aae2-4de4-9dbc-6d534ec44586 · Nov 5
$7,773 AUD
$5,341 USD
View
23 more retailers have this diamond
Prices start from $3,390 AUDSave up to $4,384 AUD

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
$3,390 AUD