Oval|Natural|GIA

1.20ct G SI2 Oval Natural Diamond

EX • G/SI2 • GIA 1528812062

Certificate GIA 1528812062

Diamond specifications and retailer prices

From $5,110 NZD
HK$22,500 HKD
As of October 31, 2026
Save $6,450 NZD (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $11,560 NZD 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 $5,110 to $11,560, a $6,450 spread on the same certified stone. NZ Jewellers lists it at $11,560. 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: $5,142 NZD|Low: $5,110 NZD|High: $11,231 NZD|Avg: $7,151 NZD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 2$5,110 NZD
Retailer 1$5,142 NZD
Retailer 7$5,813 NZD
Retailer 8$6,123 NZD
Retailer 4$6,934 NZD
Retailer 6$7,654 NZD
Retailer 3$7,769 NZD
Retailer 5$11,156 NZD

30 data points across 8 retailers

19 retailers$5,110 NZD to $11,560 NZD

A
Cheapest Retailer
-
$5,110 NZD
HK$22,500 HKD
A
Retailer 2
-
$5,142 NZD
₹276,018 INR
View
B+
Retailer 3
-
$5,717 NZD
$3,222 USD
View
B+
Retailer 4
-
$5,813 NZD
SGD 4,427 SGD
View
B+
Retailer 5
-
$5,891 NZD
$3,320 USD
View
B+
Retailer 6
-
$6,123 NZD
$3,451 USD
View
Final sale: no returns
B+
Retailer 7
-
$6,447 NZD
SGD 4,910 SGD
View
B+
Retailer 8
-
$6,557 NZD
$3,696 USD
View
B+
Retailer 9
-
$6,634 NZD
$3,739 USD
View
B+
Retailer 10
-
$6,634 NZD
$3,739 USD
View
B
Retailer 11
-
$6,890 NZD
$3,883 USD
View
B
Retailer 12
-
$6,894 NZD
$3,885 USD
View
B+
Retailer 13
-
$6,934 NZD
£3,077 GBP
View
B
Retailer 14
-
$7,008 NZD
$3,950 USD
View
B
Retailer 15
-
$7,656 NZD
$4,315 USD
View
B+
Retailer 16
-
$7,769 NZD
€4,170 EUR
View
B
Retailer 17
-
$9,893 NZD
$5,576 USD
View
B
Retailer 18
-
$11,156 NZD
£4,951 GBP
View
Most Expensive
B
NZ Jewellers
04eafe1e-f0d1-4e27-8493-6e38db90e4b9 · Oct 30
$11,560 NZD
$6,515 USD
View
18 more retailers have this diamond
Prices start from $5,110 NZDSave up to $6,450 NZD

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
$5,110 NZD