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Marquise|Natural|IGI

1.00ct J IF Marquise Natural Diamond

VG • J/IF • IGI 808619731

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 808619731

Diamond specifications and retailer prices

From £1,367 GBP
As of November 6, 2026
Save £1,842 GBP (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £3,209 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI 808619731. Listed at 15 retailers as of November 5, 2026, with prices from £1,367 to £3,209, a £1,842 spread on the same certified stone. NZ Jewellers lists it at £3,209. 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
J
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle33.4°
OriginNatural
Grading LabIGI
CertificateIGI 808619731
Dimensions10.26 × 5.33 × 2.91 mm
L/W Ratio1.92
Girdle conditionFaceted
Top View
10.26 mm5.33 mm1.00 ctJ / IF
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 808619731
Side View
Table 63.0%Crown 37.5°Girdle: STK-THKPavilion 33.4°Culet: NoneDepth 54.6%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: £3,209 GBP|Low: £1,366 GBP|High: £3,209 GBP|Avg: £1,833 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
November 6, 2026
Retailer 2£1,367 GBP
Retailer 6£1,387 GBP
Retailer 4£1,535 GBP
Retailer 13£1,535 GBP
Retailer 3£1,558 GBP
Retailer 11£1,606 GBP
Retailer 5£1,612 GBP
Retailer 14£1,638 GBP
Retailer 7£1,685 GBP
Retailer 12£1,771 GBP
Retailer 8£1,873 GBP
Retailer 10£2,087 GBP
Retailer 9£2,681 GBP
NZ Jewellers£3,209 GBP

35 data points across 14 retailers

15 retailers£1,367 GBP to £3,209 GBP

A
Cheapest Retailer
-
£1,367 GBP
A
Retailer 2
-
£1,387 GBP
View
Retailer 3
-
£1,535 GBP
View
Price last confirmed 8 days ago
A
Retailer 4
-
£1,535 GBP
View
A
Retailer 5
-
£1,558 GBP
View
A
Retailer 6
-
£1,606 GBP
View
A
Retailer 7
-
£1,612 GBP
View
A
Retailer 8
-
£1,638 GBP
View
A
Retailer 9
-
£1,685 GBP
View
Retailer 10
-
£1,693 GBP
View
Price last confirmed 56 days ago
A
Retailer 11
-
£1,771 GBP
View
A
Retailer 12
-
£1,873 GBP
View
B+
Retailer 13
-
£2,087 GBP
View
B
Retailer 14
-
£2,681 GBP
View
Most Expensive
B
NZ Jewellers
9f33c122-3ff0-493f-9e66-77645702f969 · Nov 5
£3,209 GBP
$4,295 USD
View
14 more retailers have this diamond
Prices start from £1,367 GBPSave up to £1,842 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
£1,367 GBP