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Round|Natural|IGI

0.90ct F I1 Round Natural Diamond

VG • F/I1 • IGI 671474925

Shape and cutting style on the report: Round brilliant

Certificate IGI 671474925

Diamond specifications and retailer prices

From £575 GBP
$772 USD
As of October 29, 2026
Save £1,228 GBP (68%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,803 GBP at NZ Jewellers · As of November 2, 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 F colour (colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 671474925. Listed at 11 retailers as of October 31, 2026, with prices from £575 to £1,803, a £1,228 spread on the same certified stone. NZ Jewellers lists it at £1,803. 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
F
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle37.8°
Pavilion angle41.3°
OriginNatural
Grading LabIGI
CertificateIGI 671474925
Dimensions5.95 × 6.05 × 3.82 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Top View
5.95 mm6.05 mm0.90 ctF / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateIGI 671474925
Side View
Table 63.0%Crown 37.8°Girdle: ThickPavilion 41.3°Culet: NoneDepth 63.5%

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: Oct 29
Current: £1,803 GBP|Low: £324 GBP|High: £1,803 GBP|Avg: £708 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 10£324 GBP
Retailer 9£505 GBP
Retailer 3£575 GBP
Retailer 5£575 GBP
Retailer 7£583 GBP
Retailer 6£590 GBP
Retailer 4£664 GBP
Retailer 8£700 GBP
Retailer 2£813 GBP
NZ Jewellers£1,803 GBP

18 data points across 10 retailers

11 retailers£575 GBP to £1,803 GBP

Retailer 1
-
£509 GBP
$683 USD
Price last confirmed 34 days ago
Retailer 2
-
£575 GBP
$772 USD
View
Price last confirmed 24 days ago
B+
Retailer 3
-
£575 GBP
$772 USD
View
B+
Retailer 4
-
£575 GBP
$772 USD
View
B+
Retailer 5
-
£583 GBP
$783 USD
View
B+
Retailer 6
-
£590 GBP
$792 USD
View
Retailer 7
-
£664 GBP
$891 USD
View
Price last confirmed 24 days ago
B+
Retailer 8
-
£664 GBP
$891 USD
View
B+
Retailer 9
-
£813 GBP
€1,039 EUR
View
Retailer 10
-
£1,803 GBP
$2,420 USD
View
Price last confirmed 30 days ago
Most Expensive
C
NZ Jewellers
578e128e-bdb9-49d2-8b8a-1205b37a06cf · Nov 2
£1,803 GBP
$2,420 USD
View
10 more retailers have this diamond
Prices start from £575 GBPSave up to £1,228 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
£575 GBP