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Marquise|Natural|IGI

1.06ct I I1 Marquise Natural Diamond

VG • I/I1 • IGI 689581393

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 689581393

Diamond specifications and retailer prices

From £876 GBP
$1,175 USD
As of November 1, 2026
Save £516 GBP (37%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,391 GBP at Yorxs · As of October 31, 2026
View at Yorxs

About this 1.06ct natural marquise diamond

This 1.06ct natural marquise sits in the classic one-carat band, graded I colour (near-colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 689581393. Listed at 2 retailers as of October 31, 2026, with prices from £876 to £1,391, a £516 spread on the same certified stone. Yorxs lists it at £1,391. 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

1.06
Carat
I
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishGood
SymmetryGood
FluorescenceNone
Crown angle29.4°
Pavilion angle39.6°
OriginNatural
Grading LabIGI
CertificateIGI 689581393
Dimensions11.61 × 5.20 × 3.18 mm
L/W Ratio2.23
Girdle conditionFaceted
Culet sizePointed
Cert comments
Cloud(s) not shown. Surface grain lines present.
Top View
11.61 mm5.20 mm1.06 ctI / I1
OriginNatural
CutVery Good
PolishGood
SymmetryGood
FluorescenceNone
CertificateIGI 689581393
Side View
Table 60.0%Crown 29.4°Girdle: STK-VTKPavilion 39.6°Culet: NoneDepth 61.2%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: £876 GBP|Low: £876 GBP|High: £1,391 GBP|Avg: £1,128 GBP|-0.4%
Retailer 1
Yorxs
October 31, 2026
Retailer 1£876 GBP
Yorxs£1,391 GBP

11 data points across 2 retailers

2 retailers£876 GBP to £1,391 GBP

B+
Cheapest Retailer
-
£876 GBP
$1,175 USD
Most Expensive
B+
Yorxs
468179464 · Oct 31
£1,391 GBP
€1,778 EUR
View
1 more retailer has this diamond
Prices start from £876 GBPSave up to £516 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.

B+
1.06ct Marquise
£876 GBP