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Oval|Natural|GIA

1.58ct I I1 Oval Natural Diamond

ID • I/I1 • GIA 1318455283

Certificate GIA 1318455283

Diamond specifications and retailer prices

From $5,370 AUD
HK$29,400 HKD
As of November 1, 2026
Save $6,242 AUD (54%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $11,612 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.58ct natural oval diamond

This 1.58ct natural oval sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and I1 clarity (included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1318455283. Listed at 8 retailers as of October 30, 2026, with prices from $5,370 to $11,612, a $6,242 spread on the same certified stone. NZ Jewellers lists it at $11,612. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.58
Carat
I
Colour
I1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1318455283
Dimensions8.65 × 6.68 × 4.15 mm
L/W Ratio1.29
Key to symbols
Crystal, Cloud, Feather, Knot, Needle, Indented Natural
Top View
8.65 mm6.68 mm1.58 ctI / I1
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1318455283
Side View
Table 60.0%CrownGirdlePavilionCulet: NoneDepth 62.1%

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 1
Current: $11,612 AUD|Low: $4,841 AUD|High: $12,378 AUD|Avg: $7,620 AUD|-6.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 4$4,841 AUD
Retailer 5$5,370 AUD
Retailer 10$5,812 AUD
Retailer 6$6,665 AUD
Retailer 7$6,665 AUD
Retailer 8$6,665 AUD
Retailer 3$6,919 AUD
Retailer 2$7,542 AUD
Retailer 9$7,690 AUD
Retailer 11$9,006 AUD
NZ Jewellers$11,612 AUD
Retailer 12$11,955 AUD

13 data points across 12 retailers

8 retailers$5,370 AUD to $11,612 AUD

A
Cheapest Retailer
-
$5,370 AUD
HK$29,400 HKD
B+
Retailer 2
-
$5,812 AUD
$4,073 USD
View
B+
Retailer 3
-
$6,665 AUD
$4,671 USD
View
B+
Retailer 4
-
$6,665 AUD
$4,671 USD
View
B+
Retailer 5
-
$6,665 AUD
$4,671 USD
View
B+
Retailer 6
-
$7,542 AUD
€5,034 EUR
View
B+
Retailer 7
-
$7,690 AUD
$5,389 USD
View
Most Expensive
B
NZ Jewellers
076ffc05-a2ea-4b1c-8f36-d483b5a5152b · Oct 30
$11,612 AUD
$8,138 USD
View
7 more retailers have this diamond
Prices start from $5,370 AUDSave up to $6,242 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
1.58ct Oval
$5,370 AUD