Marquise|Natural|IGI

1.20ct I VS1 Marquise Natural Diamond

VG • I/VS1 • IGI 774673112

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 774673112

Diamond specifications and retailer prices

From £2,235 GBP
As of November 6, 2026
8 retailers carry this diamond
Most expensive: £4,627 GBP at NZ Jewellers · As of September 26, 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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 774673112. Listed at 8 retailers as of November 6, 2026. 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
I
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.5°
Pavilion angle39.6°
OriginNatural
Grading LabIGI
CertificateIGI 774673112
Dimensions10.64 × 5.62 × 3.49 mm
L/W Ratio1.89
Girdle conditionFaceted
Culet sizeNone
Top View
10.64 mm5.62 mm1.20 ctI / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 774673112
Side View
Table 58.0%Crown 39.5°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 62.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £2,138 GBP|Low: £1,872 GBP|High: £3,786 GBP|Avg: £2,386 GBP|-1.5%
Retailer 1
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
September 27, 2026
Retailer 11£1,872 GBP
Retailer 9£1,921 GBP
Retailer 2£2,021 GBP
Retailer 3£2,063 GBP
Retailer 5£2,114 GBP
Retailer 1£2,138 GBP
Retailer 8£2,213 GBP
Retailer 6£2,235 GBP
Retailer 12£2,319 GBP
Retailer 7£2,361 GBP
Retailer 4£2,580 GBP
Retailer 13£2,631 GBP
Retailer 10£2,842 GBP
Retailer 14£3,741 GBP

6 data points across 14 retailers

8 retailers

Retailer 1
-
£2,021 GBP
Price last confirmed 43 days ago
Retailer 2
-
£2,213 GBP
View
Price last confirmed 41 days ago
A
Retailer 3
-
£2,235 GBP
View
Retailer 4
-
£2,265 GBP
View
Price last confirmed 53 days ago
Retailer 5
-
£2,554 GBP
View
Price last confirmed 43 days ago
Retailer 6
-
£2,613 GBP
View
Price last confirmed 52 days ago
Retailer 7
-
£2,631 GBP
View
Price last confirmed 42 days ago
Most Expensive
NZ Jewellers
3b1d89e6-422f-462e-a951-82967fbcf279 · Sep 26
£4,627 GBP
$6,228 USD
View
Price last confirmed 40 days ago
7 more retailers have this diamond
Prices start from £2,235 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
£2,235 GBP