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Oval|Natural|IGI

1.21ct K SI2 Oval Natural Diamond

VG • K/SI2 • IGI 649462959

Shape and cutting style on the report: Oval brilliant

Certificate IGI 649462959

Diamond specifications and retailer prices

From £710 GBP
As of November 6, 2026
Save £4,454 GBP (86%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £5,164 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.21ct natural oval diamond

This 1.21ct natural oval sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 649462959. Listed at 9 retailers as of November 2, 2026, with prices from £710 to £5,164, a £4,454 spread on the same certified stone. MOH London lists it at £5,164. 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

1.21
Carat
K
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.8°
Pavilion angle39.7°
OriginNatural
Grading LabIGI
CertificateIGI 649462959
Dimensions8.61 × 5.80 × 3.61 mm
L/W Ratio1.48
Girdle conditionFaceted
Culet sizePointed
Top View
8.61 mm5.80 mm1.21 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 649462959
Side View
Table 63.0%Crown 40.8°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 62.2%

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: Nov 6
Current: £5,164 GBP|Low: £710 GBP|High: £5,164 GBP|Avg: £1,346 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2£710 GBP
Retailer 8£855 GBP
Retailer 9£1,038 GBP
Retailer 3£1,232 GBP
Retailer 7£2,814 GBP
Retailer 6£3,087 GBP
Retailer 5£3,175 GBP
Retailer 4£3,562 GBP
MOH London£5,164 GBP

45 data points across 9 retailers

9 retailers£710 GBP to £5,164 GBP

A
Cheapest Retailer
-
£710 GBP
B+
Retailer 2
-
£855 GBP
View
B+
Retailer 3
-
£1,038 GBP
View
B+
Retailer 4
-
£1,232 GBP
View
C
Retailer 5
-
£2,814 GBP
View
C
Retailer 6
-
£3,087 GBP
View
C
Retailer 7
-
£3,175 GBP
View
C
Retailer 8
-
£3,562 GBP
View
Most Expensive
C
MOH London
42856E957 · Nov 2
£5,164 GBP
View
8 more retailers have this diamond
Prices start from £710 GBPSave up to £4,454 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
1.21ct Oval
£710 GBP