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Marquise|Natural|IGI

1.00ct J VS1 Marquise Natural Diamond

EX • J/VS1 • IGI 831652567

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 831652567

Diamond specifications and retailer prices

From £1,102 GBP
As of November 6, 2026
Save £2,367 GBP (68%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,469 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 831652567. Listed at 10 retailers as of November 5, 2026, with prices from £1,102 to £3,469, a £2,367 spread on the same certified stone. NZ Jewellers lists it at £3,469. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle34.1°
OriginNatural
Grading LabIGI
CertificateIGI 831652567
Dimensions11.76 × 5.04 × 2.84 mm
L/W Ratio2.33
Girdle conditionFaceted
Top View
11.76 mm5.04 mm1.00 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 831652567
Side View
Table 64.0%Crown 34.7°Girdle: MED-STKPavilion 34.1°CuletDepth 56.3%

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: £3,469 GBP|Low: £1,102 GBP|High: £3,603 GBP|Avg: £1,771 GBP|+9.8%
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£1,102 GBP
Retailer 6£1,304 GBP
Retailer 8£1,313 GBP
Retailer 3£1,352 GBP
Retailer 9£1,422 GBP
Retailer 7£1,487 GBP
Retailer 10£1,641 GBP
Retailer 5£1,644 GBP
Retailer 4£2,492 GBP
NZ Jewellers£3,469 GBP

39 data points across 10 retailers

10 retailers£1,102 GBP to £3,469 GBP

A
Cheapest Retailer
-
£1,102 GBP
Retailer 2
-
£1,304 GBP
View
Price last confirmed 9 days ago
A
Retailer 3
-
£1,313 GBP
View
Final sale: no returns
A
Retailer 4
-
£1,352 GBP
View
A
Retailer 5
-
£1,422 GBP
View
A
Retailer 6
-
£1,487 GBP
View
A
Retailer 7
-
£1,641 GBP
View
B+
Retailer 8
-
£1,644 GBP
View
B+
Retailer 9
-
£2,492 GBP
View
Most Expensive
C
NZ Jewellers
5fb7dbab-5cce-4cc5-bb25-236cab8ead5e · Nov 5
£3,469 GBP
$4,643 USD
View
9 more retailers have this diamond
Prices start from £1,102 GBPSave up to £2,367 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
£1,102 GBP