CaratHunter
Plans
Marquise|Natural|IGI

1.00ct G SI2 Marquise Natural Diamond

VG • G/SI2 • IGI 743559200

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 743559200

Diamond specifications and retailer prices

From £1,119 GBP
As of November 6, 2026
Save £2,432 GBP (68%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,551 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 743559200. Listed at 16 retailers as of November 5, 2026, with prices from £1,119 to £3,551, a £2,432 spread on the same certified stone. NZ Jewellers lists it at £3,551. 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
G
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.5°
Pavilion angle37.3°
OriginNatural
Grading LabIGI
CertificateIGI 743559200
Dimensions9.54 × 5.08 × 3.23 mm
L/W Ratio1.88
Girdle conditionFaceted
Top View
9.54 mm5.08 mm1.00 ctG / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 743559200
Side View
Table 63.0%Crown 45.5°Girdle: MED-STKPavilion 37.3°Culet: NoneDepth 63.6%

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: £3,551 GBP|Low: £1,119 GBP|High: £3,642 GBP|Avg: £1,681 GBP|-2.5%
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
Retailer 15
Retailer 16
November 6, 2026
Retailer 9£1,119 GBP
Retailer 7£1,296 GBP
Retailer 4£1,344 GBP
Retailer 5£1,348 GBP
Retailer 10£1,431 GBP
Retailer 3£1,456 GBP
Retailer 8£1,456 GBP
Retailer 16£1,456 GBP
Retailer 2£1,502 GBP
Retailer 14£1,523 GBP
Retailer 12£1,527 GBP
Retailer 15£1,558 GBP
Retailer 6£1,680 GBP
Retailer 13£1,952 GBP
Retailer 11£2,543 GBP
NZ Jewellers£3,551 GBP

27 data points across 16 retailers

16 retailers£1,119 GBP to £3,551 GBP

A
Cheapest Retailer
-
£1,119 GBP
A
Retailer 2
-
£1,296 GBP
View
A
Retailer 3
-
£1,344 GBP
View
Final sale: no returns
A
Retailer 4
-
£1,348 GBP
View
A
Retailer 5
-
£1,431 GBP
View
B+
Retailer 6
-
£1,456 GBP
View
A
Retailer 7
-
£1,456 GBP
View
Retailer 8
-
£1,456 GBP
View
Price last confirmed 8 days ago
A
Retailer 9
-
£1,502 GBP
View
A
Retailer 10
-
£1,523 GBP
View
B+
Retailer 11
-
£1,527 GBP
View
B+
Retailer 12
-
£1,558 GBP
View
A
Retailer 13
-
£1,680 GBP
View
A
Retailer 14
-
£1,952 GBP
View
B+
Retailer 15
-
£2,543 GBP
View
Most Expensive
B
NZ Jewellers
073de9d3-30fb-4102-afa0-0fd698c9c753 · Nov 5
£3,551 GBP
$4,753 USD
View
15 more retailers have this diamond
Prices start from £1,119 GBPSave up to £2,432 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
£1,119 GBP