Marquise|Natural|IGI

1.06ct K SI1 Marquise Natural Diamond

VG • K/SI1 • IGI 490197347

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 490197347

Diamond specifications and retailer prices

From £898 GBP
As of November 6, 2026
Save £2,046 GBP (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,944 GBP at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.06ct natural marquise diamond

This 1.06ct natural marquise sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 490197347. Listed at 15 retailers as of November 3, 2026, with prices from £898 to £2,944, a £2,046 spread on the same certified stone. NZ Jewellers lists it at £2,944. 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
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle41.8°
OriginNatural
Grading LabIGI
CertificateIGI 490197347
Dimensions10.30 × 5.17 × 3.41 mm
L/W Ratio1.99
Girdle conditionFaceted
Culet sizeNone
Top View
10.30 mm5.17 mm1.06 ctK / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 490197347
Side View
Table 58.0%Crown 35°Girdle: MED-THKPavilion 41.8°Culet: NoneDepth 66.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £2,944 GBP|Low: £898 GBP|High: £2,944 GBP|Avg: £1,516 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 2£898 GBP
Retailer 9£1,118 GBP
Retailer 7£1,175 GBP
Retailer 4£1,207 GBP
Retailer 11£1,207 GBP
Retailer 3£1,263 GBP
Retailer 5£1,361 GBP
Retailer 12£1,393 GBP
Retailer 10£1,473 GBP
Retailer 8£1,647 GBP
Retailer 6£2,109 GBP
NZ Jewellers£2,944 GBP

29 data points across 12 retailers

15 retailers£898 GBP to £2,944 GBP

A
Cheapest Retailer
-
£898 GBP
B+
Retailer 2
-
£1,118 GBP
View
B+
Retailer 3
-
£1,118 GBP
View
B+
Retailer 4
-
£1,133 GBP
View
B+
Retailer 5
-
£1,172 GBP
View
B+
Retailer 6
-
£1,175 GBP
View
B+
Retailer 7
-
£1,207 GBP
View
Retailer 8
-
£1,207 GBP
View
Price last confirmed 8 days ago
B+
Retailer 9
-
£1,263 GBP
View
B+
Retailer 10
-
£1,361 GBP
View
B+
Retailer 11
-
£1,393 GBP
View
B+
Retailer 12
-
£1,473 GBP
View
B+
Retailer 13
-
£1,647 GBP
View
B
Retailer 14
-
£2,109 GBP
View
Most Expensive
C
NZ Jewellers
1ac27b13-0b25-4ab7-b4aa-8ba91a146850 · Nov 3
£2,944 GBP
$3,963 USD
View
14 more retailers have this diamond
Prices start from £898 GBPSave up to £2,046 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
1.06ct Marquise
£898 GBP