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Marquise|Natural|IGI

1.21ct F SI2 Marquise Natural Diamond

VG • F/SI2 • IGI 819642022

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 819642022

Diamond specifications and retailer prices

From £1,148 GBP
As of November 5, 2026
Save £1,054 GBP (48%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £2,202 GBP at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.21ct natural marquise diamond

This 1.21ct natural marquise sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 819642022. Listed at 5 retailers as of November 5, 2026, with prices from £1,148 to £2,202, a £1,054 spread on the same certified stone. Wholesale Diamonds Direct lists it at £2,202. 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
F
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle37.6°
OriginNatural
Grading LabIGI
CertificateIGI 819642022
Dimensions10.27 × 5.54 × 3.42 mm
L/W Ratio1.85
Girdle conditionFaceted
Top View
10.27 mm5.54 mm1.21 ctF / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 819642022
Side View
Table 59.0%Crown 39.4°Girdle: MED-THKPavilion 37.6°Culet: NoneDepth 61.7%

Caratlytics Score

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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 5
Current: £1,304 GBP|Low: £1,125 GBP|High: £2,491 GBP|Avg: £1,567 GBP|-12.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Wholesale Diamonds Direct
November 6, 2026
Retailer 5£1,125 GBP
Retailer 2£1,148 GBP
Retailer 1£1,304 GBP
Retailer 4£1,356 GBP
Retailer 3£1,707 GBP
Wholesale Diamonds Direct£2,202 GBP

28 data points across 6 retailers

5 retailers£1,148 GBP to £2,202 GBP

A
Cheapest Retailer
-
£1,148 GBP
A
Retailer 2
-
£1,304 GBP
View
A
Retailer 3
-
£1,356 GBP
View
A
Retailer 4
-
£1,707 GBP
View
Most Expensive
A
Wholesale Diamonds Direct
612778870 · Nov 6
£2,202 GBP
$2,947 USD
View
4 more retailers have this diamond
Prices start from £1,148 GBPSave up to £1,054 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 Marquise
£1,148 GBP