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Marquise|Natural|IGI

0.90ct K SI2 Marquise Natural Diamond

VG • K/SI2 • IGI 677565014

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 677565014

Diamond specifications and retailer prices

From £690 GBP
As of November 6, 2026
Save £1,722 GBP (71%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,413 GBP at Moon Ocean · As of November 6, 2026
View at Moon Ocean

About this 0.9ct natural marquise diamond

This 0.9ct natural marquise sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 677565014. Listed at 13 retailers as of November 6, 2026, with prices from £690 to £2,413, a £1,722 spread on the same certified stone. Moon Ocean lists it at £2,413. 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

0.90
Carat
K
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle35.9°
OriginNatural
Grading LabIGI
CertificateIGI 677565014
Dimensions10.46 × 4.98 × 2.79 mm
L/W Ratio2.10
Girdle conditionFaceted
Culet sizePointed
Top View
10.46 mm4.98 mm0.90 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 677565014
Side View
Table 63.0%Crown 37.5°Girdle: MED-THKPavilion 35.9°Culet: NoneDepth 56.0%

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: £2,413 GBP|Low: £690 GBP|High: £2,457 GBP|Avg: £1,335 GBP|-0.8%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2£690 GBP
Retailer 6£938 GBP
Retailer 9£938 GBP
Retailer 10£956 GBP
Retailer 4£973 GBP
Retailer 7£1,082 GBP
Retailer 5£1,215 GBP
Retailer 3£1,712 GBP
Retailer 8£2,286 GBP
Moon Ocean£2,413 GBP

44 data points across 10 retailers

13 retailers£690 GBP to £2,413 GBP

A
Cheapest Retailer
-
£690 GBP
B+
Retailer 2
-
£898 GBP
View
Retailer 3
-
£938 GBP
View
Price last confirmed 9 days ago
B+
Retailer 4
-
£938 GBP
View
Retailer 5
-
£938 GBP
View
Price last confirmed 9 days ago
B+
Retailer 6
-
£956 GBP
View
B+
Retailer 7
-
£973 GBP
View
B+
Retailer 8
-
£1,038 GBP
View
B+
Retailer 9
-
£1,082 GBP
View
B
Retailer 10
-
£1,215 GBP
View
B
Retailer 11
-
£1,712 GBP
View
C
Retailer 12
-
£2,286 GBP
View
Most Expensive
C
Moon Ocean
NVN-04CBCF033-014 · Nov 6
£2,413 GBP
View
12 more retailers have this diamond
Prices start from £690 GBPSave up to £1,722 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
0.90ct Marquise
£690 GBP