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Oval|Natural|GIA

1.20ct K SI1 Oval Natural Diamond

GD • K/SI1 • GIA 6541760294

Shape and cutting style on the report: Oval brilliant

Certificate GIA 6541760294

Diamond specifications and retailer prices

From £1,176 GBP
As of November 6, 2026
Save £2,426 GBP (67%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £3,602 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.2ct natural oval diamond

This 1.2ct natural oval sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6541760294. Listed at 18 retailers as of November 5, 2026, with prices from £1,176 to £3,602, a £2,426 spread on the same certified stone. MOH London lists it at £3,602. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
K
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6541760294
Dimensions8.02 × 5.84 × 3.78 mm
L/W Ratio1.37
Top View
8.02 mm5.84 mm1.20 ctK / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6541760294
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.7%

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: £3,602 GBP|Low: £1,166 GBP|High: £3,827 GBP|Avg: £1,829 GBP|-4.7%
MOH London
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
Retailer 18
November 6, 2026
Retailer 14£1,176 GBP
Retailer 11£1,177 GBP
Retailer 12£1,233 GBP
Retailer 15£1,386 GBP
Retailer 4£1,493 GBP
Retailer 9£1,517 GBP
Retailer 17£1,588 GBP
Retailer 5£1,633 GBP
Retailer 2£1,647 GBP
Retailer 3£1,651 GBP
Retailer 13£1,659 GBP
Retailer 16£1,662 GBP
Retailer 8£1,693 GBP
Retailer 18£1,751 GBP
Retailer 6£2,166 GBP
Retailer 10£2,272 GBP
Retailer 7£3,173 GBP
MOH London£3,602 GBP

46 data points across 18 retailers

18 retailers£1,176 GBP to £3,602 GBP

A
Cheapest Retailer
-
£1,176 GBP
A
Retailer 2
-
£1,177 GBP
View
A
Retailer 3
-
£1,233 GBP
View
B+
Retailer 4
-
£1,386 GBP
View
B+
Retailer 5
-
£1,493 GBP
View
B+
Retailer 6
-
£1,517 GBP
View
B+
Retailer 7
-
£1,588 GBP
View
B+
Retailer 8
-
£1,633 GBP
View
B+
Retailer 9
-
£1,647 GBP
View
B+
Retailer 10
-
£1,651 GBP
View
B+
Retailer 11
-
£1,659 GBP
View
B+
Retailer 12
-
£1,662 GBP
View
Retailer 13
-
£1,693 GBP
View
Price last confirmed 8 days ago
B
Retailer 14
-
£1,751 GBP
View
B
Retailer 15
-
£2,210 GBP
View
B
Retailer 16
-
£2,272 GBP
View
C
Retailer 17
-
£3,173 GBP
View
Most Expensive
B
MOH London
D40964665 · Nov 5
£3,602 GBP
View
17 more retailers have this diamond
Prices start from £1,176 GBPSave up to £2,426 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
£1,176 GBP