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Marquise|Natural|IGI

1.00ct E I1 Marquise Natural Diamond

VG • E/I1 • IGI 743558983

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 743558983

Diamond specifications and retailer prices

From £830 GBP
₹105,893 INR
As of October 30, 2026
Save £1,736 GBP (68%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £2,566 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded E colour (colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 743558983. Listed at 9 retailers as of October 30, 2026, with prices from £830 to £2,566, a £1,736 spread on the same certified stone. NZ Jewellers lists it at £2,566. 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

1.00
Carat
E
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.9°
Pavilion angle29.7°
OriginNatural
Grading LabIGI
CertificateIGI 743558983
Dimensions11.10 × 4.95 × 2.79 mm
L/W Ratio2.24
Girdle conditionFaceted
Top View
11.10 mm4.95 mm1.00 ctE / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 743558983
Side View
Table 62.0%Crown 36.9°Girdle: MED-VTKPavilion 29.7°Culet: NoneDepth 56.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £2,566 GBP|Low: £825 GBP|High: £2,566 GBP|Avg: £1,243 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 3£830 GBP
Retailer 7£937 GBP
Retailer 9£975 GBP
Retailer 5£1,052 GBP
Retailer 8£1,052 GBP
Retailer 6£1,101 GBP
Retailer 2£1,214 GBP
Retailer 4£1,458 GBP
NZ Jewellers£2,566 GBP

15 data points across 9 retailers

9 retailers£830 GBP to £2,566 GBP

A
Cheapest Retailer
-
£830 GBP
₹105,893 INR
B+
Retailer 2
-
£937 GBP
$1,255 USD
View
B+
Retailer 3
-
£975 GBP
$1,307 USD
View
B+
Retailer 4
-
£1,052 GBP
$1,410 USD
View
A
Retailer 5
-
£1,052 GBP
$1,410 USD
View
B+
Retailer 6
-
£1,101 GBP
$1,475 USD
View
B+
Retailer 7
-
£1,214 GBP
$1,627 USD
View
B+
Retailer 8
-
£1,458 GBP
€1,861 EUR
View
Most Expensive
B
NZ Jewellers
d0a83f5e-8376-4998-acb6-ce2899a4d1c4 · Oct 30
£2,566 GBP
$3,438 USD
View
8 more retailers have this diamond
Prices start from £830 GBPSave up to £1,736 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
1.00ct Marquise
£830 GBP