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Marquise|Natural|IGI

1.20ct G SI2 Marquise Natural Diamond

VG • G/SI2 • IGI 779662773

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 779662773

Diamond specifications and retailer prices

From £1,041 GBP
As of November 5, 2026
Save £947 GBP (48%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,988 GBP at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 779662773. Listed at 5 retailers as of November 5, 2026, with prices from £1,041 to £1,988, a £947 spread on the same certified stone. Wholesale Diamonds Direct lists it at £1,988. 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
G
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle37.9°
OriginNatural
Grading LabIGI
CertificateIGI 779662773
Dimensions10.49 × 5.54 × 3.32 mm
L/W Ratio1.89
Girdle conditionFaceted
Culet sizePointed
Top View
10.49 mm5.54 mm1.20 ctG / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 779662773
Side View
Table 59.0%Crown 38.9°Girdle: STK-THKPavilion 37.9°Culet: NoneDepth 59.9%

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 5
Current: £1,186 GBP|Low: £1,035 GBP|High: £2,332 GBP|Avg: £1,782 GBP|-10.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
November 6, 2026
Retailer 2£1,041 GBP
Retailer 1£1,186 GBP
Retailer 3£1,573 GBP
Retailer 6£1,689 GBP
Wholesale Diamonds Direct£1,988 GBP
Retailer 5£2,066 GBP
Retailer 4£2,069 GBP
Retailer 7£2,332 GBP

19 data points across 8 retailers

5 retailers£1,041 GBP to £1,988 GBP

A
Cheapest Retailer
-
£1,041 GBP
A
Retailer 2
-
£1,186 GBP
View
A
Retailer 3
-
£1,573 GBP
View
B+
Retailer 4
-
£1,689 GBP
View
Most Expensive
B+
Wholesale Diamonds Direct
612357706 · Nov 6
£1,988 GBP
$2,662 USD
View
4 more retailers have this diamond
Prices start from £1,041 GBPSave up to £947 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
£1,041 GBP