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Marquise|Natural|IGI

1.21ct E SI2 Marquise Natural Diamond

VG • E/SI2 • IGI 830652646

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 830652646

Diamond specifications and retailer prices

From £2,064 GBP
As of November 4, 2026
Save £1,661 GBP (45%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £3,725 GBP at Wholesale Diamonds Direct · As of November 4, 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 E colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 830652646. Listed at 8 retailers as of November 4, 2026, with prices from £2,064 to £3,725, a £1,661 spread on the same certified stone. Wholesale Diamonds Direct lists it at £3,725. 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
E
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.2°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 830652646
Dimensions11.19 × 5.28 × 3.38 mm
L/W Ratio2.12
Girdle conditionFaceted
Top View
11.19 mm5.28 mm1.21 ctE / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 830652646
Side View
Table 63.0%Crown 40.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 64.0%

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 4
Current: £2,745 GBP|Low: £2,064 GBP|High: £4,025 GBP|Avg: £2,725 GBP|-5.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
November 6, 2026
Retailer 3£2,064 GBP
Retailer 2£2,157 GBP
Retailer 7£2,270 GBP
Retailer 6£2,300 GBP
Retailer 4£2,645 GBP
Retailer 5£2,716 GBP
Retailer 1£2,745 GBP
Wholesale Diamonds Direct£3,725 GBP

29 data points across 8 retailers

8 retailers£2,064 GBP to £3,725 GBP

A
Cheapest Retailer
-
£2,064 GBP
A
Retailer 2
-
£2,157 GBP
View
A
Retailer 3
-
£2,270 GBP
View
A
Retailer 4
-
£2,300 GBP
View
A
Retailer 5
-
£2,645 GBP
View
A
Retailer 6
-
£2,716 GBP
View
A
Retailer 7
-
£2,745 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
612458830 · Nov 4
£3,725 GBP
$5,013 USD
View
7 more retailers have this diamond
Prices start from £2,064 GBPSave up to £1,661 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
£2,064 GBP