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Marquise|Natural|IGI

1.20ct K SI2 Marquise Natural Diamond

VG • K/SI2 • IGI 696515876

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 696515876

Diamond specifications and retailer prices

From £1,331 GBP
As of November 4, 2026
Save £2,264 GBP (63%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,595 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 696515876. Listed at 13 retailers as of November 4, 2026, with prices from £1,331 to £3,595, a £2,264 spread on the same certified stone. NZ Jewellers lists it at £3,595. 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
K
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39.1°
Pavilion angle34.5°
OriginNatural
Grading LabIGI
CertificateIGI 696515876
Dimensions10.76 × 5.67 × 3.18 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
Top View
10.76 mm5.67 mm1.20 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 696515876
Side View
Table 57.0%Crown 39.1°Girdle: MED-VTKPavilion 34.5°Culet: NoneDepth 56.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £3,595 GBP|Low: £1,289 GBP|High: £3,595 GBP|Avg: £1,783 GBP|+4.2%
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
November 6, 2026
Retailer 5£1,331 GBP
Retailer 9£1,363 GBP
Retailer 3£1,422 GBP
Retailer 11£1,474 GBP
Retailer 13£1,474 GBP
Retailer 2£1,508 GBP
Retailer 8£1,542 GBP
Retailer 4£1,547 GBP
Retailer 12£1,577 GBP
Retailer 10£1,701 GBP
Retailer 6£2,002 GBP
Retailer 7£2,582 GBP
NZ Jewellers£3,595 GBP

46 data points across 13 retailers

13 retailers£1,331 GBP to £3,595 GBP

B+
Cheapest Retailer
-
£1,331 GBP
B+
Retailer 2
-
£1,363 GBP
View
B+
Retailer 3
-
£1,422 GBP
View
Retailer 4
-
£1,474 GBP
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£1,474 GBP
View
B+
Retailer 6
-
£1,508 GBP
View
B+
Retailer 7
-
£1,542 GBP
View
B+
Retailer 8
-
£1,547 GBP
View
B+
Retailer 9
-
£1,577 GBP
View
B+
Retailer 10
-
£1,701 GBP
View
B+
Retailer 11
-
£2,002 GBP
View
B
Retailer 12
-
£2,582 GBP
View
Most Expensive
C
NZ Jewellers
2cdd6a92-94d2-4228-84f8-fa9882ef013c · Nov 5
£3,595 GBP
$4,839 USD
View
12 more retailers have this diamond
Prices start from £1,331 GBPSave up to £2,264 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.

B+
1.20ct Marquise
£1,331 GBP