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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 £2,515 GBP
As of November 6, 2026
Save £2,720 GBP (52%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £5,774 GBP 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: £2,622 GBP|Low: £2,495 GBP|High: £5,321 GBP|Avg: £3,482 GBP|-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£2,515 GBP
Retailer 1£2,622 GBP
Retailer 11£2,891 GBP
Retailer 6£2,939 GBP
Retailer 10£2,981 GBP
Retailer 4£3,034 GBP
Retailer 7£3,195 GBP
Retailer 8£3,310 GBP
Retailer 2£3,398 GBP
Retailer 13£3,399 GBP
Retailer 3£3,719 GBP
Retailer 9£4,010 GBP
Retailer 12£5,235 GBP
Retailer 5£5,299 GBP

28 data points across 14 retailers

26 retailers£2,515 GBP to £5,235 GBP

A
Cheapest Retailer
-
£2,515 GBP
A
Retailer 2
-
£2,622 GBP
View
B+
Retailer 3
-
£2,891 GBP
View
B+
Retailer 4
-
£2,939 GBP
View
B+
Retailer 5
-
£2,981 GBP
View
B+
Retailer 6
-
£3,034 GBP
View
Final sale: no returns
B+
Retailer 7
-
£3,083 GBP
View
B+
Retailer 8
-
£3,086 GBP
View
B+
Retailer 9
-
£3,195 GBP
View
Retailer 10
-
£3,301 GBP
View
Price last confirmed 21 days ago
Retailer 11
-
£3,301 GBP
View
Price last confirmed 21 days ago
Retailer 12
-
£3,301 GBP
View
Price last confirmed 19 days ago
B+
Retailer 13
-
£3,306 GBP
View
B+
Retailer 14
-
£3,310 GBP
View
Retailer 15
-
£3,314 GBP
View
Price last confirmed 45 days ago
B+
Retailer 16
-
£3,398 GBP
View
B+
Retailer 17
-
£3,399 GBP
View
Retailer 18
-
£3,535 GBP
View
Price last confirmed 28 days ago
B+
Retailer 19
-
£3,719 GBP
View
Retailer 20
-
£3,809 GBP
View
Price last confirmed 19 days ago
Retailer 21
-
£3,824 GBP
View
Price last confirmed 45 days ago
B
Retailer 22
-
£4,010 GBP
View
B
Retailer 23
-
£5,235 GBP
View
Retailer 24
-
£5,299 GBP
View
Price last confirmed 9 days ago
Retailer 25
-
£5,751 GBP
View
Price last confirmed 20 days ago
Most Expensive
NZ Jewellers
0244b926-deed-43f1-b676-0dc1127b4e3e · Sep 19
£5,774 GBP
$7,729 USD
View
Price last confirmed 47 days ago
25 more retailers have this diamond
Prices start from £2,515 GBPSave up to £2,720 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
£2,515 GBP