CaratHunter
Plans
Marquise|Natural|IGI

1.20ct I SI1 Marquise Natural Diamond

VG • I/SI1 • IGI 793612842

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 793612842

Diamond specifications and retailer prices

From £2,767 GBP
As of November 7, 2026
Save £2,483 GBP (47%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £5,250 GBP at NZ Jewellers · As of November 7, 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 793612842. Listed at 16 retailers as of November 7, 2026, with prices from £2,767 to £5,250, a £2,483 spread on the same certified stone. NZ Jewellers lists it at £5,250. 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
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle35.5°
OriginNatural
Grading LabIGI
CertificateIGI 793612842
Dimensions11.01 × 5.53 × 3.18 mm
L/W Ratio1.99
Girdle conditionFaceted
Culet sizePointed
Top View
11.01 mm5.53 mm1.20 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 793612842
Side View
Table 55.0%Crown 38.2°Girdle: STK-THKPavilion 35.5°Culet: NoneDepth 57.5%

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 7
Current: £5,250 GBP|Low: £2,710 GBP|High: £5,250 GBP|Avg: £3,535 GBP
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 7, 2026
Retailer 5£2,751 GBP
Retailer 8£2,767 GBP
Retailer 10£2,871 GBP
Retailer 4£3,013 GBP
Retailer 9£3,013 GBP
Retailer 12£3,013 GBP
Retailer 14£3,085 GBP
Retailer 2£3,161 GBP
Retailer 11£3,265 GBP
Retailer 15£3,310 GBP
Retailer 6£3,320 GBP
Retailer 3£3,477 GBP
Retailer 7£3,657 GBP
Retailer 13£4,892 GBP
NZ Jewellers£5,250 GBP

31 data points across 15 retailers

16 retailers£2,767 GBP to £5,250 GBP

Retailer 1
-
£2,751 GBP
Price last confirmed 9 days ago
B+
Retailer 2
-
£2,767 GBP
View
B+
Retailer 3
-
£2,871 GBP
View
B
Retailer 4
-
£3,013 GBP
View
Retailer 5
-
£3,013 GBP
View
Price last confirmed 9 days ago
B
Retailer 6
-
£3,013 GBP
View
B
Retailer 7
-
£3,085 GBP
View
Retailer 8
-
£3,123 GBP
View
Price last confirmed 8 days ago
B
Retailer 9
-
£3,161 GBP
View
B
Retailer 10
-
£3,265 GBP
View
B
Retailer 11
-
£3,310 GBP
View
Retailer 12
-
£3,320 GBP
View
Price last confirmed 10 days ago
B
Retailer 13
-
£3,477 GBP
View
Retailer 14
-
£3,657 GBP
View
Price last confirmed 21 days ago
B
Retailer 15
-
£4,892 GBP
View
Most Expensive
C
NZ Jewellers
042ac9ed-93de-4554-be8a-dc976c2128ce · Nov 7
£5,250 GBP
$7,027 USD
View
15 more retailers have this diamond
Prices start from £2,767 GBPSave up to £2,483 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
£2,767 GBP