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Oval|Natural|GIA

1.00ct I SI2 Oval Natural Diamond

EX • I/SI2 • GIA 2566135453

Certificate GIA 2566135453

Diamond specifications and retailer prices

From $2,679 AUD
As of November 6, 2026
Save $4,171 AUD (61%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,851 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 I 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 2566135453. Listed at 18 retailers as of November 5, 2026, with prices from $2,679 to $6,851, a $4,171 spread on the same certified stone. NZ Jewellers lists it at $6,851. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566135453
Dimensions7.94 × 5.63 × 3.42 mm
L/W Ratio1.41
Girdle conditionSlightly Thick to Very Thick
Key to symbols
Twinning Wisp, Knot, Feather, Crystal, Needle
Top View
7.94 mm5.63 mm1.00 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566135453
Side View
Table 62.0%CrownGirdle: VTK-VTKPavilionCulet: NoneDepth 60.7%

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: $6,851 AUD|Low: $2,468 AUD|High: $6,851 AUD|Avg: $3,647 AUD
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
November 6, 2026
Retailer 4$2,679 AUD
Retailer 3$2,708 AUD
Retailer 6$2,723 AUD
Retailer 16$2,741 AUD
Retailer 12$2,969 AUD
Retailer 13$3,106 AUD
Retailer 2$3,222 AUD
Retailer 8$3,243 AUD
Retailer 18$3,289 AUD
Retailer 14$3,426 AUD
Retailer 7$3,478 AUD
Retailer 17$3,478 AUD
Retailer 9$3,595 AUD
Retailer 11$3,595 AUD
Retailer 10$3,812 AUD
Retailer 5$4,755 AUD
Retailer 15$5,740 AUD
NZ Jewellers$6,851 AUD

37 data points across 18 retailers

18 retailers$2,679 AUD to $6,851 AUD

A
Cheapest Retailer
-
$2,679 AUD
A
Retailer 2
-
$2,708 AUD
View
A
Retailer 3
-
$2,723 AUD
View
A
Retailer 4
-
$2,741 AUD
View
Final sale: no returns
A
Retailer 5
-
$2,969 AUD
View
A
Retailer 6
-
$3,106 AUD
View
B+
Retailer 7
-
$3,222 AUD
View
B+
Retailer 8
-
$3,243 AUD
View
B+
Retailer 9
-
$3,289 AUD
View
B+
Retailer 10
-
$3,426 AUD
View
B+
Retailer 11
-
$3,478 AUD
View
B+
Retailer 12
-
$3,478 AUD
View
B+
Retailer 13
-
$3,595 AUD
View
B+
Retailer 14
-
$3,595 AUD
View
B+
Retailer 15
-
$3,812 AUD
View
B
Retailer 16
-
$4,755 AUD
View
B
Retailer 17
-
$5,740 AUD
View
Most Expensive
B
NZ Jewellers
0b1de0a0-c29c-4937-aed3-ece1a3d28494 · Nov 5
$6,851 AUD
$4,707 USD
View
17 more retailers have this diamond
Prices start from $2,679 AUDSave up to $4,171 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
$2,679 AUD