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Marquise|Natural|IGI

1.20ct F SI2 Marquise Natural Diamond

VG • F/SI2 • IGI 743558438

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 743558438

Diamond specifications and retailer prices

From £1,457 GBP
As of November 1, 2026
Save £2,900 GBP (67%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £4,357 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural marquise diamond

This 1.2ct 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 743558438. Listed at 16 retailers as of November 1, 2026, with prices from £1,457 to £4,357, a £2,900 spread on the same certified stone. NZ Jewellers lists it at £4,357. 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
F
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle38.2°
Pavilion angle34.4°
OriginNatural
Grading LabIGI
CertificateIGI 743558438
Dimensions11.70 × 5.47 × 3.07 mm
L/W Ratio2.14
Girdle conditionFaceted
Culet sizePointed
Top View
11.70 mm5.47 mm1.20 ctF / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 743558438
Side View
Table 60.0%Crown 38.2°Girdle: MED-STKPavilion 34.4°Culet: NoneDepth 56.1%

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 1
Current: £4,357 GBP|Low: £1,457 GBP|High: £4,457 GBP|Avg: £2,225 GBP|-2.2%
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
November 6, 2026
Retailer 4£1,457 GBP
Retailer 6£1,497 GBP
Retailer 3£1,639 GBP
Retailer 2£1,733 GBP
Retailer 15£1,921 GBP
Retailer 5£1,924 GBP
Retailer 11£2,032 GBP
Retailer 8£2,049 GBP
Retailer 9£2,084 GBP
Retailer 12£2,084 GBP
Retailer 13£2,164 GBP
Retailer 7£2,190 GBP
Retailer 14£2,405 GBP
Retailer 10£3,641 GBP
NZ Jewellers£4,357 GBP

40 data points across 15 retailers

16 retailers£1,457 GBP to £4,357 GBP

A
Cheapest Retailer
-
£1,457 GBP
A
Retailer 2
-
£1,497 GBP
View
A
Retailer 3
-
£1,639 GBP
View
A
Retailer 4
-
£1,684 GBP
View
A
Retailer 5
-
£1,733 GBP
View
A
Retailer 6
-
£1,921 GBP
View
B+
Retailer 7
-
£1,924 GBP
View
Final sale: no returns
A
Retailer 8
-
£2,032 GBP
View
A
Retailer 9
-
£2,049 GBP
View
B+
Retailer 10
-
£2,084 GBP
View
Retailer 11
-
£2,084 GBP
View
Price last confirmed 8 days ago
A
Retailer 12
-
£2,164 GBP
View
B+
Retailer 13
-
£2,190 GBP
View
B+
Retailer 14
-
£2,405 GBP
View
B
Retailer 15
-
£3,641 GBP
View
Most Expensive
B
NZ Jewellers
2438d4f9-2351-4432-8f0f-d06aa57f5d58 · Nov 5
£4,357 GBP
$5,832 USD
View
15 more retailers have this diamond
Prices start from £1,457 GBPSave up to £2,900 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 Marquise
£1,457 GBP