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Oval|Natural|GIA

1.20ct E SI1 Oval Natural Diamond

ID • E/SI1 • GIA 5523890456

Certificate GIA 5523890456

Diamond specifications and retailer prices

From $4,899 AUD
As of November 6, 2026
Save $5,299 AUD (52%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $11,249 AUD at NZ Jewellers · As of September 19, 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 E 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 5523890456. Listed at 26 retailers as of November 2, 2026, with a 108% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5523890456
Dimensions8.35 × 5.96 × 3.75 mm
L/W Ratio1.40
Top View
8.35 mm5.96 mm1.20 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5523890456
Side View
Table 63.0%CrownGirdle: STK-THKPavilionCulet: 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: $5,107 AUD|Low: $4,861 AUD|High: $10,365 AUD|Avg: $6,783 AUD|-3.3%
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
November 6, 2026
Retailer 14$4,899 AUD
Retailer 1$5,107 AUD
Retailer 11$5,632 AUD
Retailer 6$5,726 AUD
Retailer 10$5,807 AUD
Retailer 4$5,910 AUD
Retailer 7$6,225 AUD
Retailer 8$6,447 AUD
Retailer 2$6,619 AUD
Retailer 13$6,622 AUD
Retailer 3$7,245 AUD
Retailer 9$7,813 AUD
Retailer 12$10,198 AUD
Retailer 5$10,322 AUD

28 data points across 14 retailers

26 retailers$4,899 AUD to $10,198 AUD

A
Cheapest Retailer
-
$4,899 AUD
A
Retailer 2
-
$5,107 AUD
View
B+
Retailer 3
-
$5,632 AUD
View
B+
Retailer 4
-
$5,726 AUD
View
B+
Retailer 5
-
$5,807 AUD
View
B+
Retailer 6
-
$5,910 AUD
View
Final sale: no returns
B+
Retailer 7
-
$6,005 AUD
View
B+
Retailer 8
-
$6,011 AUD
View
B+
Retailer 9
-
$6,225 AUD
View
Retailer 10
-
$6,430 AUD
View
Price last confirmed 21 days ago
Retailer 11
-
$6,430 AUD
View
Price last confirmed 21 days ago
Retailer 12
-
$6,430 AUD
View
Price last confirmed 19 days ago
B+
Retailer 13
-
$6,440 AUD
View
B+
Retailer 14
-
$6,447 AUD
View
Retailer 15
-
$6,456 AUD
View
Price last confirmed 45 days ago
B+
Retailer 16
-
$6,619 AUD
View
B+
Retailer 17
-
$6,622 AUD
View
Retailer 18
-
$6,887 AUD
View
Price last confirmed 28 days ago
B+
Retailer 19
-
$7,245 AUD
View
Retailer 20
-
$7,420 AUD
View
Price last confirmed 19 days ago
Retailer 21
-
$7,450 AUD
View
Price last confirmed 45 days ago
B
Retailer 22
-
$7,813 AUD
View
B
Retailer 23
-
$10,198 AUD
View
Retailer 24
-
$10,322 AUD
View
Price last confirmed 9 days ago
Retailer 25
-
$11,204 AUD
View
Price last confirmed 20 days ago
Most Expensive
NZ Jewellers
0244b926-deed-43f1-b676-0dc1127b4e3e · Sep 19
$11,249 AUD
$7,729 USD
View
Price last confirmed 47 days ago
25 more retailers have this diamond
Prices start from $4,899 AUDSave up to $5,299 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
$4,899 AUD