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Oval|Natural|GIA

1.20ct G SI2 Oval Natural Diamond

EX • G/SI2 • GIA 1528812062

Certificate GIA 1528812062

Diamond specifications and retailer prices

From £2,149 GBP
HK$22,500 HKD
As of October 31, 2026
Save £2,713 GBP (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £4,862 GBP 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 £2,149 to £4,862, a £2,713 spread on the same certified stone. NZ Jewellers lists it at £4,862. 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: £2,163 GBP|Low: £2,149 GBP|High: £4,724 GBP|Avg: £3,008 GBP|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 2£2,149 GBP
Retailer 1£2,163 GBP
Retailer 7£2,445 GBP
Retailer 8£2,576 GBP
Retailer 4£2,917 GBP
Retailer 6£3,220 GBP
Retailer 3£3,268 GBP
Retailer 5£4,693 GBP

30 data points across 8 retailers

19 retailers£2,149 GBP to £4,862 GBP

A
Cheapest Retailer
-
£2,149 GBP
HK$22,500 HKD
A
Retailer 2
-
£2,163 GBP
₹276,018 INR
View
B+
Retailer 3
-
£2,405 GBP
$3,222 USD
View
B+
Retailer 4
-
£2,445 GBP
SGD 4,427 SGD
View
B+
Retailer 5
-
£2,478 GBP
$3,320 USD
View
B+
Retailer 6
-
£2,576 GBP
$3,451 USD
View
Final sale: no returns
B+
Retailer 7
-
£2,712 GBP
SGD 4,910 SGD
View
B+
Retailer 8
-
£2,758 GBP
$3,696 USD
View
B+
Retailer 9
-
£2,791 GBP
$3,739 USD
View
B+
Retailer 10
-
£2,791 GBP
$3,739 USD
View
B
Retailer 11
-
£2,898 GBP
$3,883 USD
View
B
Retailer 12
-
£2,900 GBP
$3,885 USD
View
B+
Retailer 13
-
£2,917 GBP
View
B
Retailer 14
-
£2,948 GBP
$3,950 USD
View
B
Retailer 15
-
£3,220 GBP
$4,315 USD
View
B+
Retailer 16
-
£3,268 GBP
€4,170 EUR
View
B
Retailer 17
-
£4,161 GBP
$5,576 USD
View
B
Retailer 18
-
£4,693 GBP
View
Most Expensive
B
NZ Jewellers
04eafe1e-f0d1-4e27-8493-6e38db90e4b9 · Oct 30
£4,862 GBP
$6,515 USD
View
18 more retailers have this diamond
Prices start from £2,149 GBPSave up to £2,713 GBP

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
£2,149 GBP