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Oval|Natural|GIA

1.20ct E SI1 Oval Natural Diamond

ID • E/SI1 • GIA 6561418987

Certificate GIA 6561418987

Diamond specifications and retailer prices

From £1,817 GBP
As of November 6, 2026
Save £2,553 GBP (58%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £4,370 GBP at NZ Jewellers · As of November 5, 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 6561418987. Listed at 17 retailers as of November 5, 2026, with prices from £1,817 to £4,370, a £2,553 spread on the same certified stone. NZ Jewellers lists it at £4,370. 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
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6561418987
Dimensions8.18 × 5.83 × 3.73 mm
L/W Ratio1.40
Girdle conditionFaceted
Top View
8.18 mm5.83 mm1.20 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6561418987
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.9%

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: £4,370 GBP|Low: £1,807 GBP|High: £4,446 GBP|Avg: £2,715 GBP|-1.7%
NZ Jewellers
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
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 6£1,817 GBP
Retailer 9£1,984 GBP
Retailer 11£2,111 GBP
Retailer 5£2,235 GBP
Retailer 4£2,249 GBP
Retailer 13£2,313 GBP
Retailer 8£2,315 GBP
Retailer 17£2,337 GBP
Retailer 12£2,433 GBP
Retailer 14£2,521 GBP
Retailer 2£2,655 GBP
Retailer 7£2,727 GBP
Retailer 15£2,854 GBP
Retailer 16£3,061 GBP
Retailer 10£3,859 GBP
Retailer 3£4,183 GBP
NZ Jewellers£4,370 GBP

17 data points across 17 retailers

17 retailers£1,817 GBP to £4,370 GBP

A
Cheapest Retailer
-
£1,817 GBP
A
Retailer 2
-
£1,984 GBP
View
A
Retailer 3
-
£2,111 GBP
View
A
Retailer 4
-
£2,235 GBP
View
A
Retailer 5
-
£2,249 GBP
View
A
Retailer 6
-
£2,313 GBP
View
A
Retailer 7
-
£2,315 GBP
View
Final sale: no returns
A
Retailer 8
-
£2,337 GBP
View
A
Retailer 9
-
£2,433 GBP
View
A
Retailer 10
-
£2,521 GBP
View
B+
Retailer 11
-
£2,655 GBP
View
B+
Retailer 12
-
£2,727 GBP
View
B+
Retailer 13
-
£2,854 GBP
View
B+
Retailer 14
-
£3,061 GBP
View
B
Retailer 15
-
£3,859 GBP
View
B
Retailer 16
-
£4,183 GBP
View
Most Expensive
B
NZ Jewellers
a26c7fe2-6143-42f5-ab02-7a4abb534ea5 · Nov 5
£4,370 GBP
$5,849 USD
View
16 more retailers have this diamond
Prices start from £1,817 GBPSave up to £2,553 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
£1,817 GBP