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Marquise|Natural|IGI

1.00ct J VS1 Marquise Natural Diamond

EX • J/VS1 • IGI 675587264

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 675587264

Diamond specifications and retailer prices

From £1,096 GBP
As of November 6, 2026
Save £1,410 GBP (56%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £3,498 GBP at NZ Jewellers · As of September 30, 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 675587264. Listed at 14 retailers as of November 4, 2026, with a 129% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle32.4°
Pavilion angle40.5°
OriginNatural
Grading LabIGI
CertificateIGI 675587264
Dimensions11.27 × 5.16 × 3.05 mm
L/W Ratio2.18
Girdle conditionFaceted
Culet sizePointed
Top View
11.27 mm5.16 mm1.00 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 675587264
Side View
Table 59.0%Crown 32.4°Girdle: MediumPavilion 40.5°Culet: NoneDepth 59.1%

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: £1,096 GBP|Low: £1,096 GBP|High: £2,543 GBP|Avg: £1,653 GBP|-2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1£1,096 GBP
Retailer 5£1,282 GBP
Retailer 7£1,323 GBP
Retailer 2£1,574 GBP
Retailer 3£1,750 GBP
Retailer 6£1,880 GBP
Retailer 4£2,506 GBP

41 data points across 7 retailers

14 retailers£1,096 GBP to £2,506 GBP

A
Cheapest Retailer
-
£1,096 GBP
A
Retailer 2
-
£1,282 GBP
View
A
Retailer 3
-
£1,295 GBP
View
A
Retailer 4
-
£1,323 GBP
View
Final sale: no returns
Retailer 5
-
£1,434 GBP
View
Price last confirmed 36 days ago
A
Retailer 6
-
£1,467 GBP
View
Retailer 7
-
£1,500 GBP
View
Price last confirmed 36 days ago
A
Retailer 8
-
£1,537 GBP
View
A
Retailer 9
-
£1,574 GBP
View
Retailer 10
-
£1,655 GBP
View
Price last confirmed 38 days ago
B+
Retailer 11
-
£1,750 GBP
View
B+
Retailer 12
-
£1,880 GBP
View
B+
Retailer 13
-
£2,506 GBP
View
Most Expensive
NZ Jewellers
7e0e3dce-3030-45a4-8891-031ad158ff87 · Sep 30
£3,498 GBP
$4,708 USD
View
Price last confirmed 37 days ago
13 more retailers have this diamond
Prices start from £1,096 GBPSave up to £1,410 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
£1,096 GBP