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Oval|Natural|GIA

1.20ct I SI2 Oval Natural Diamond

ID • I/SI2 • GIA 2536777851

Certificate GIA 2536777851

Diamond specifications and retailer prices

From $2,477 AUD
As of November 6, 2026
Save $4,289 AUD (63%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,766 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural oval diamond

This 1.2ct 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 2536777851. Listed at 18 retailers as of November 5, 2026, with prices from $2,477 to $6,766, a $4,289 spread on the same certified stone. NZ Jewellers lists it at $6,766. 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

1.20
Carat
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2536777851
Dimensions8.11 × 5.89 × 3.74 mm
L/W Ratio1.38
Top View
8.11 mm5.89 mm1.20 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2536777851
Side View
Table 64.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 63.5%

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: $6,766 AUD|Low: $2,477 AUD|High: $6,874 AUD|Avg: $3,857 AUD|-1.6%
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
November 6, 2026
Retailer 6$2,477 AUD
Retailer 2$2,592 AUD
Retailer 15$2,924 AUD
Retailer 13$2,986 AUD
Retailer 9$3,182 AUD
Retailer 16$3,237 AUD
Retailer 8$3,288 AUD
Retailer 5$3,422 AUD
Retailer 10$3,438 AUD
Retailer 11$3,448 AUD
Retailer 14$3,493 AUD
Retailer 3$3,553 AUD
Retailer 12$3,735 AUD
Retailer 7$4,084 AUD
Retailer 4$5,714 AUD
NZ Jewellers$6,766 AUD

23 data points across 16 retailers

18 retailers$2,477 AUD to $6,766 AUD

A
Cheapest Retailer
-
$2,477 AUD
A
Retailer 2
-
$2,592 AUD
View
A
Retailer 3
-
$2,924 AUD
View
A
Retailer 4
-
$2,986 AUD
View
Final sale: no returns
A
Retailer 5
-
$3,132 AUD
View
A
Retailer 6
-
$3,182 AUD
View
A
Retailer 7
-
$3,237 AUD
View
Retailer 8
-
$3,288 AUD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$3,422 AUD
View
A
Retailer 10
-
$3,438 AUD
View
A
Retailer 11
-
$3,448 AUD
View
A
Retailer 12
-
$3,493 AUD
View
A
Retailer 13
-
$3,508 AUD
View
A
Retailer 14
-
$3,553 AUD
View
A
Retailer 15
-
$3,735 AUD
View
B+
Retailer 16
-
$4,084 AUD
View
B
Retailer 17
-
$5,714 AUD
View
Most Expensive
B
NZ Jewellers
241da45f-b975-47ef-b702-1b4efd851331 · Nov 5
$6,766 AUD
$4,649 USD
View
17 more retailers have this diamond
Prices start from $2,477 AUDSave up to $4,289 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
1.20ct Oval
$2,477 AUD