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Round|Natural|GIA

0.90ct J I1 Round Natural Diamond

VG • J/I1 • GIA 7422924280

Certificate GIA 7422924280

Diamond specifications and retailer prices

From £497 GBP
HK$5,200 HKD
As of November 1, 2026
Save £1,605 GBP (76%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £2,102 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 J colour (near-colourless) and I1 clarity (included), with a very-good cut grade and certified by GIA 7422924280. Listed at 8 retailers as of October 30, 2026, with prices from £497 to £2,102, a £1,605 spread on the same certified stone. NZ Jewellers lists it at £2,102. 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
J
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle38°
Pavilion angle39.8°
OriginNatural
Grading LabGIA
CertificateGIA 7422924280
Dimensions5.94 × 6.05 × 3.86 mm
L/W Ratio1.02
Star length45%
Lower girdle75%
Top View
5.94 mm6.05 mm0.90 ctJ / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7422924280
Side View
Table 57.0%Crown 38°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 64.4%

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 1
Current: £2,102 GBP|Low: £497 GBP|High: £2,130 GBP|Avg: £883 GBP|-1.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 8£497 GBP
Retailer 3£670 GBP
Retailer 5£670 GBP
Retailer 7£679 GBP
Retailer 4£696 GBP
Retailer 9£747 GBP
Retailer 6£773 GBP
Retailer 2£940 GBP
Retailer 10£975 GBP
NZ Jewellers£2,102 GBP

31 data points across 10 retailers

8 retailers£497 GBP to £2,102 GBP

B+
Cheapest Retailer
-
£497 GBP
HK$5,200 HKD
B+
Retailer 2
-
£670 GBP
$898 USD
View
B+
Retailer 3
-
£670 GBP
$898 USD
View
B+
Retailer 4
-
£679 GBP
$910 USD
View
B+
Retailer 5
-
£696 GBP
$932 USD
View
B+
Retailer 6
-
£773 GBP
$1,036 USD
View
B
Retailer 7
-
£940 GBP
€1,200 EUR
View
Most Expensive
C
NZ Jewellers
80e22832-d1d5-4a4c-bcf1-b4e9ce999386 · Oct 30
£2,102 GBP
$2,816 USD
View
7 more retailers have this diamond
Prices start from £497 GBPSave up to £1,605 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
£497 GBP