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Marquise|Natural|IGI

1.01ct I SI2 Marquise Natural Diamond

VG • I/SI2 • IGI 811694674

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 811694674

Diamond specifications and retailer prices

From £756 GBP
As of November 6, 2026
Save £1,625 GBP (68%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,381 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural marquise diamond

This 1.01ct natural marquise sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 811694674. Listed at 15 retailers as of November 5, 2026, with prices from £756 to £2,381, a £1,625 spread on the same certified stone. NZ Jewellers lists it at £2,381. 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

1.01
Carat
I
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle35.4°
OriginNatural
Grading LabIGI
CertificateIGI 811694674
Dimensions9.87 × 5.21 × 3.16 mm
L/W Ratio1.89
Girdle conditionFaceted
Top View
9.87 mm5.21 mm1.01 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 811694674
Side View
Table 59.0%Crown 39°Girdle: STK-THKPavilion 35.4°Culet: NoneDepth 60.7%

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: £2,381 GBP|Low: £756 GBP|High: £2,459 GBP|Avg: £1,194 GBP|-3.2%
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
November 6, 2026
Retailer 2£756 GBP
Retailer 3£866 GBP
Retailer 10£901 GBP
Retailer 13£920 GBP
Retailer 7£959 GBP
Retailer 12£976 GBP
Retailer 11£994 GBP
Retailer 14£1,021 GBP
Retailer 6£1,053 GBP
Retailer 8£1,077 GBP
Retailer 9£1,127 GBP
Retailer 4£1,329 GBP
Retailer 5£1,846 GBP
NZ Jewellers£2,381 GBP

9 data points across 14 retailers

15 retailers£756 GBP to £2,381 GBP

A
Cheapest Retailer
-
£756 GBP
A
Retailer 2
-
£866 GBP
View
A
Retailer 3
-
£901 GBP
View
Final sale: no returns
A
Retailer 4
-
£904 GBP
View
A
Retailer 5
-
£920 GBP
View
A
Retailer 6
-
£959 GBP
View
A
Retailer 7
-
£976 GBP
View
A
Retailer 8
-
£994 GBP
View
B+
Retailer 9
-
£1,021 GBP
View
B+
Retailer 10
-
£1,053 GBP
View
A
Retailer 11
-
£1,077 GBP
View
A
Retailer 12
-
£1,127 GBP
View
A
Retailer 13
-
£1,329 GBP
View
B+
Retailer 14
-
£1,846 GBP
View
Most Expensive
B
NZ Jewellers
3fa09a47-c6c6-411d-86e4-d8d01e01e360 · Nov 5
£2,381 GBP
$3,187 USD
View
14 more retailers have this diamond
Prices start from £756 GBPSave up to £1,625 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
1.01ct Marquise
£756 GBP