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Round|Natural|IGI

0.90ct G I1 Round Natural Diamond

GD • G/I1 • IGI 234637631

Shape and cutting style on the report: Round brilliant

Certificate IGI 234637631

Diamond specifications and retailer prices

From £658 GBP
$882 USD
As of October 31, 2026
Save £1,405 GBP (68%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £2,064 GBP at NZ Jewellers · As of October 30, 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 G colour (near-colourless) and I1 clarity (included), with a standard cut grade and certified by IGI 234637631. Listed at 9 retailers as of October 30, 2026, with prices from £658 to £2,064, a £1,405 spread on the same certified stone. NZ Jewellers lists it at £2,064. 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
G
Colour
I1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.8°
Pavilion angle40.4°
OriginNatural
Grading LabIGI
CertificateIGI 234637631
Dimensions6.09 × 6.18 × 3.73 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.09 mm6.18 mm0.90 ctG / I1
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 234637631
Side View
Table 60.5%Crown 32.8°Girdle: STK-VTKPavilion 40.4°Culet: NoneDepth 60.8%

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 31
Current: £924 GBP|Low: £437 GBP|High: £945 GBP|Avg: £766 GBP|+2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 6£437 GBP
Retailer 2£666 GBP
Retailer 3£693 GBP
Retailer 1£924 GBP
Retailer 4£939 GBP
Retailer 5£945 GBP

19 data points across 6 retailers

9 retailers£658 GBP to £2,064 GBP

B+
Cheapest Retailer
-
£658 GBP
$882 USD
B+
Retailer 2
-
£658 GBP
$882 USD
View
B+
Retailer 3
-
£666 GBP
$892 USD
View
B+
Retailer 4
-
£684 GBP
$916 USD
View
B+
Retailer 5
-
£693 GBP
$928 USD
View
B+
Retailer 6
-
£759 GBP
$1,017 USD
View
B+
Retailer 7
-
£924 GBP
€1,179 EUR
View
B
Retailer 8
-
£945 GBP
$1,266 USD
View
Most Expensive
C
NZ Jewellers
d7600da7-d893-497c-9f3a-1d48fc1fd09a · Oct 30
£2,064 GBP
$2,765 USD
View
8 more retailers have this diamond
Prices start from £658 GBPSave up to £1,405 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
£658 GBP