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Marquise|Natural|IGI

1.00ct F I1 Marquise Natural Diamond

VG • F/I1 • IGI 808620066

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 808620066

Diamond specifications and retailer prices

From £1,169 GBP
$1,569 USD
As of November 1, 2026
Save £1,960 GBP (63%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £3,129 GBP at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded F colour (colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 808620066. Listed at 8 retailers as of November 1, 2026, with prices from £1,169 to £3,129, a £1,960 spread on the same certified stone. NZ Jewellers lists it at £3,129. 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
F
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 808620066
Dimensions10.56 × 4.81 × 3.18 mm
L/W Ratio2.20
Girdle conditionFaceted
Top View
10.56 mm4.81 mm1.00 ctF / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 808620066
Side View
Table 64.0%Crown 39°Girdle: MED-STKPavilion 41.2°CuletDepth 66.1%

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 1
Current: £3,129 GBP|Low: £1,169 GBP|High: £3,129 GBP|Avg: £1,617 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 7£1,169 GBP
Retailer 3£1,283 GBP
Retailer 6£1,283 GBP
Retailer 8£1,342 GBP
Retailer 4£1,343 GBP
Retailer 5£1,481 GBP
Retailer 2£1,634 GBP
NZ Jewellers£3,129 GBP

11 data points across 8 retailers

8 retailers£1,169 GBP to £3,129 GBP

B+
Cheapest Retailer
-
£1,169 GBP
$1,569 USD
B+
Retailer 2
-
£1,283 GBP
$1,722 USD
View
B+
Retailer 3
-
£1,283 GBP
$1,722 USD
View
B+
Retailer 4
-
£1,342 GBP
$1,801 USD
View
B+
Retailer 5
-
£1,343 GBP
$1,803 USD
View
B+
Retailer 6
-
£1,481 GBP
$1,987 USD
View
B+
Retailer 7
-
£1,634 GBP
€2,088 EUR
View
Most Expensive
B
NZ Jewellers
bb186413-23d7-4b26-96a9-cff7ae154a84 · Nov 3
£3,129 GBP
$4,199 USD
View
7 more retailers have this diamond
Prices start from £1,169 GBPSave up to £1,960 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+
1.00ct Marquise
£1,169 GBP