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Marquise|Natural|IGI

1.00ct K VS1 Marquise Natural Diamond

VG • K/VS1 • IGI 824612750

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 824612750

Diamond specifications and retailer prices

From £922 GBP
As of November 6, 2026
Save £2,428 GBP (72%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,350 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 K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 824612750. Listed at 10 retailers as of November 5, 2026, with prices from £922 to £3,350, a £2,428 spread on the same certified stone. NZ Jewellers lists it at £3,350. 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
K
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle35°
Pavilion angle37.6°
OriginNatural
Grading LabIGI
CertificateIGI 824612750
Dimensions9.72 × 5.21 × 3.18 mm
L/W Ratio1.87
Girdle conditionFaceted
Culet sizeNone
Cert comments
Faint Brown
Top View
9.72 mm5.21 mm1.00 ctK / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateIGI 824612750
Side View
Table 59.0%Crown 35°Girdle: STK-VTKPavilion 37.6°Culet: NoneDepth 61.0%

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: Nov 6
Current: £3,350 GBP|Low: £921 GBP|High: £3,350 GBP|Avg: £1,673 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2£922 GBP
Retailer 3£1,108 GBP
Retailer 5£1,119 GBP
Retailer 8£1,447 GBP
Retailer 7£1,603 GBP
Retailer 4£1,617 GBP
Retailer 9£1,677 GBP
Retailer 10£1,682 GBP
Retailer 6£1,956 GBP
NZ Jewellers£3,350 GBP

3 data points across 10 retailers

10 retailers£922 GBP to £3,350 GBP

A
Cheapest Retailer
-
£922 GBP
A
Retailer 2
-
£1,108 GBP
View
B+
Retailer 3
-
£1,119 GBP
View
B+
Retailer 4
-
£1,447 GBP
View
B+
Retailer 5
-
£1,603 GBP
View
B+
Retailer 6
-
£1,617 GBP
View
B+
Retailer 7
-
£1,677 GBP
View
B+
Retailer 8
-
£1,682 GBP
View
B+
Retailer 9
-
£1,956 GBP
View
Most Expensive
C
NZ Jewellers
71468bdf-b7e5-4891-8070-d329d10632b3 · Nov 5
£3,350 GBP
$4,484 USD
View
9 more retailers have this diamond
Prices start from £922 GBPSave up to £2,428 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
£922 GBP