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Marquise|Natural|IGI

1.00ct H VS1 Marquise Natural Diamond

VG • H/VS1 • IGI 826697460

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 826697460

Diamond specifications and retailer prices

From £1,716 GBP
As of November 5, 2026
Save £2,242 GBP (57%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £3,959 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 826697460. Listed at 9 retailers as of November 5, 2026, with prices from £1,716 to £3,959, a £2,242 spread on the same certified stone. NZ Jewellers lists it at £3,959. 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
H
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle39.8°
OriginNatural
Grading LabIGI
CertificateIGI 826697460
Dimensions9.81 × 5.24 × 3.26 mm
L/W Ratio1.87
Girdle conditionFaceted
Top View
9.81 mm5.24 mm1.00 ctH / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 826697460
Side View
Table 62.0%Crown 35.7°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 62.2%

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 5
Current: £3,959 GBP|Low: £1,716 GBP|High: £4,192 GBP|Avg: £2,746 GBP|-4.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 3£1,716 GBP
Retailer 2£2,158 GBP
Retailer 9£2,193 GBP
Retailer 8£2,272 GBP
Retailer 7£2,360 GBP
Retailer 6£2,517 GBP
Retailer 4£2,720 GBP
Retailer 5£3,789 GBP
NZ Jewellers£3,959 GBP

29 data points across 9 retailers

9 retailers£1,716 GBP to £3,959 GBP

A
Cheapest Retailer
-
£1,716 GBP
A
Retailer 2
-
£2,158 GBP
View
A
Retailer 3
-
£2,193 GBP
View
A
Retailer 4
-
£2,272 GBP
View
A
Retailer 5
-
£2,360 GBP
View
A
Retailer 6
-
£2,517 GBP
View
B+
Retailer 7
-
£2,720 GBP
View
B
Retailer 8
-
£3,789 GBP
View
Most Expensive
B
NZ Jewellers
77643b86-bdcd-4066-8475-5538f44ab07e · Nov 5
£3,959 GBP
$5,328 USD
View
8 more retailers have this diamond
Prices start from £1,716 GBPSave up to £2,242 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
£1,716 GBP