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Round|Natural|IGI

0.90ct M SI2 Round Natural Diamond

VG • M/SI2 • IGI 617454792

Shape and cutting style on the report: Round brilliant

Certificate IGI 617454792

Diamond specifications and retailer prices

From £403 GBP
As of November 5, 2026
Save £862 GBP (68%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,265 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.9ct natural round diamond

This 0.9ct natural round sits in the just-under-one-carat band, graded M colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 617454792. Listed at 9 retailers as of November 5, 2026, with prices from £403 to £1,265, a £862 spread on the same certified stone. NZ Jewellers lists it at £1,265. 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
M
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle37.9°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 617454792
Dimensions5.95 × 6.02 × 3.90 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
5.95 mm6.02 mm0.90 ctM / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateIGI 617454792
Side View
Table 57.0%Crown 37.9°Girdle: STK-THKPavilion 40.8°Culet: NoneDepth 65.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £1,265 GBP|Low: £403 GBP|High: £1,265 GBP|Avg: £625 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 7£403 GBP
Retailer 5£435 GBP
Retailer 9£435 GBP
Retailer 8£466 GBP
Retailer 10£501 GBP
Retailer 6£519 GBP
Retailer 11£575 GBP
Retailer 4£596 GBP
Retailer 3£652 GBP
Retailer 2£1,038 GBP
NZ Jewellers£1,265 GBP

38 data points across 11 retailers

9 retailers£403 GBP to £1,265 GBP

B+
Cheapest Retailer
-
£403 GBP
Retailer 2
-
£435 GBP
View
Price last confirmed 8 days ago
B+
Retailer 3
-
£435 GBP
View
B+
Retailer 4
-
£466 GBP
View
B+
Retailer 5
-
£501 GBP
View
B+
Retailer 6
-
£519 GBP
View
B+
Retailer 7
-
£596 GBP
View
B
Retailer 8
-
£1,038 GBP
View
Most Expensive
C
NZ Jewellers
82163829-5e7b-46ea-a1b9-6d77fec6d2a7 · Nov 5
£1,265 GBP
$1,703 USD
View
8 more retailers have this diamond
Prices start from £403 GBPSave up to £862 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+
0.90ct Round
£403 GBP