Oval|Natural|GIA

1.20ct G SI2 Oval Natural Diamond

EX • G/SI2 • GIA 1528812062

Certificate GIA 1528812062

Diamond specifications and retailer prices

From $4,100 AUD
HK$22,500 HKD
As of October 31, 2026
Save $5,175 AUD (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $9,275 AUD at NZ Jewellers · As of October 30, 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 G 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 1528812062. Listed at 19 retailers as of October 30, 2026, with prices from $4,100 to $9,275, a $5,175 spread on the same certified stone. NZ Jewellers lists it at $9,275. 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
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.07°
Pavilion angle36.09°
OriginNatural
Grading LabGIA
CertificateGIA 1528812062
Dimensions8.05 × 5.76 × 3.73 mm
L/W Ratio1.40
Cert comments
Additional pinpoints are not shown.
Key to symbols
Feather, Cloud, Pinpoint
Top View
8.05 mm5.76 mm1.20 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1528812062
Side View
Table 63.0%Crown 42.07°Girdle: THK-VTKPavilion 36.09°Culet: NoneDepth 64.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $4,100 AUD|Low: $4,100 AUD|High: $9,011 AUD|Avg: $5,740 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 1$4,100 AUD
Retailer 3$4,140 AUD
Retailer 7$4,664 AUD
Retailer 8$4,913 AUD
Retailer 4$5,564 AUD
Retailer 6$6,141 AUD
Retailer 2$6,233 AUD
Retailer 5$8,951 AUD

31 data points across 8 retailers

19 retailers$4,100 AUD to $9,275 AUD

A
Cheapest Retailer
-
$4,100 AUD
HK$22,500 HKD
A
Retailer 2
-
$4,140 AUD
₹276,979 INR
View
B+
Retailer 3
-
$4,587 AUD
$3,222 USD
View
B+
Retailer 4
-
$4,664 AUD
SGD 4,427 SGD
View
B+
Retailer 5
-
$4,726 AUD
$3,320 USD
View
B+
Retailer 6
-
$4,913 AUD
$3,451 USD
View
Final sale: no returns
B+
Retailer 7
-
$5,173 AUD
SGD 4,910 SGD
View
B+
Retailer 8
-
$5,261 AUD
$3,696 USD
View
B+
Retailer 9
-
$5,323 AUD
$3,739 USD
View
B+
Retailer 10
-
$5,323 AUD
$3,739 USD
View
B
Retailer 11
-
$5,528 AUD
$3,883 USD
View
B
Retailer 12
-
$5,531 AUD
$3,885 USD
View
B+
Retailer 13
-
$5,564 AUD
£3,077 GBP
View
B
Retailer 14
-
$5,623 AUD
$3,950 USD
View
B
Retailer 15
-
$6,143 AUD
$4,315 USD
View
B+
Retailer 16
-
$6,233 AUD
€4,170 EUR
View
B
Retailer 17
-
$7,938 AUD
$5,576 USD
View
B
Retailer 18
-
$8,951 AUD
£4,951 GBP
View
Most Expensive
B
NZ Jewellers
04eafe1e-f0d1-4e27-8493-6e38db90e4b9 · Oct 30
$9,275 AUD
$6,515 USD
View
18 more retailers have this diamond
Prices start from $4,100 AUDSave up to $5,175 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
$4,100 AUD