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Marquise|Natural|IGI

1.05ct E I1 Marquise Natural Diamond

VG • E/I1 • IGI 700529108

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 700529108

Diamond specifications and retailer prices

From £1,303 GBP
$1,746 USD
As of October 30, 2026
Save £2,185 GBP (63%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £3,488 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.05ct natural marquise diamond

This 1.05ct 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 700529108. Listed at 8 retailers as of October 30, 2026, with prices from £1,303 to £3,488, a £2,185 spread on the same certified stone. NZ Jewellers lists it at £3,488. 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

1.05
Carat
E
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.4°
Pavilion angle37.2°
OriginNatural
Grading LabIGI
CertificateIGI 700529108
Dimensions9.85 × 5.35 × 3.20 mm
L/W Ratio1.84
Girdle conditionFaceted
Culet sizePointed
Top View
9.85 mm5.35 mm1.05 ctE / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 700529108
Side View
Table 61.0%Crown 35.4°Girdle: ThickPavilion 37.2°Culet: NoneDepth 59.8%

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: £3,488 GBP|Low: £856 GBP|High: £3,488 GBP|Avg: £1,678 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 10£856 GBP
Retailer 8£1,303 GBP
Retailer 6£1,430 GBP
Retailer 7£1,430 GBP
Retailer 3£1,496 GBP
Retailer 4£1,500 GBP
Retailer 5£1,650 GBP
Retailer 9£1,701 GBP
Retailer 2£1,953 GBP
NZ Jewellers£3,488 GBP

20 data points across 10 retailers

8 retailers£1,303 GBP to £3,488 GBP

A
Cheapest Retailer
-
£1,303 GBP
$1,746 USD
B+
Retailer 2
-
£1,430 GBP
$1,916 USD
View
B+
Retailer 3
-
£1,430 GBP
$1,916 USD
View
B+
Retailer 4
-
£1,496 GBP
$2,004 USD
View
B+
Retailer 5
-
£1,500 GBP
$2,009 USD
View
B+
Retailer 6
-
£1,650 GBP
$2,211 USD
View
B+
Retailer 7
-
£1,953 GBP
€2,492 EUR
View
Most Expensive
B
NZ Jewellers
f69bbdb3-24b1-41a7-9b22-ca731fff36f5 · Oct 30
£3,488 GBP
$4,673 USD
View
7 more retailers have this diamond
Prices start from £1,303 GBPSave up to £2,185 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
1.05ct Marquise
£1,303 GBP