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Oval|Natural|GIA

1.20ct I SI2 Oval Natural Diamond

EX • I/SI2 • GIA 2536156670

Certificate GIA 2536156670

Diamond specifications and retailer prices

From $4,691 AUD
As of November 4, 2026
Save $5,941 AUD (56%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $10,632 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 2536156670. Listed at 20 retailers as of November 4, 2026, with prices from $4,691 to $10,632, a $5,941 spread on the same certified stone. NZ Jewellers lists it at $10,632. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2536156670
Dimensions8.35 × 5.85 × 3.69 mm
L/W Ratio1.43
Top View
8.35 mm5.85 mm1.20 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2536156670
Side View
Table 59.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $6,487 AUD|Low: $4,633 AUD|High: $7,399 AUD|Avg: $5,919 AUD|+1.9%
Retailer 1
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
November 6, 2026
Retailer 12$4,695 AUD
Retailer 11$4,854 AUD
Retailer 9$4,908 AUD
Retailer 14$5,193 AUD
Retailer 15$5,210 AUD
Retailer 2$5,523 AUD
Retailer 13$5,528 AUD
Retailer 10$5,742 AUD
Retailer 4$6,015 AUD
Retailer 8$6,181 AUD
Retailer 6$6,244 AUD
Retailer 7$6,244 AUD
Retailer 5$6,447 AUD
Retailer 1$6,487 AUD
Retailer 3$7,399 AUD

39 data points across 15 retailers

20 retailers$4,691 AUD to $10,632 AUD

B+
Cheapest Retailer
-
$4,691 AUD
B+
Retailer 2
-
$4,695 AUD
View
B+
Retailer 3
-
$4,809 AUD
View
B+
Retailer 4
-
$4,854 AUD
View
Final sale: no returns
B+
Retailer 5
-
$4,908 AUD
View
Retailer 6
-
$5,210 AUD
View
Price last confirmed 58 days ago
B
Retailer 7
-
$5,254 AUD
View
B
Retailer 8
-
$5,523 AUD
View
B
Retailer 9
-
$5,528 AUD
View
B
Retailer 10
-
$5,742 AUD
View
B
Retailer 11
-
$6,015 AUD
View
B
Retailer 12
-
$6,015 AUD
View
B
Retailer 13
-
$6,181 AUD
View
B
Retailer 14
-
$6,244 AUD
View
B
Retailer 15
-
$6,244 AUD
View
B
Retailer 16
-
$6,379 AUD
View
B
Retailer 17
-
$6,487 AUD
View
B
Retailer 18
-
$7,178 AUD
View
B
Retailer 19
-
$8,821 AUD
View
Most Expensive
B
NZ Jewellers
5c5a12a6-0983-489b-932a-61645b0ae429 · Nov 5
$10,632 AUD
$7,305 USD
View
19 more retailers have this diamond
Prices start from $4,691 AUDSave up to $5,941 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.

B+
1.20ct Oval
$4,691 AUD