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Round|Natural|GIA

0.90ct J I1 Round Natural Diamond

EX • J/I1 • GIA 5533127753

Certificate GIA 5533127753

Diamond specifications and retailer prices

From £659 GBP
HK$6,900 HKD
As of November 1, 2026
Save £1,491 GBP (69%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,150 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 top-tier cut grade and certified by GIA 5533127753. Listed at 10 retailers as of October 30, 2026, with prices from £659 to £2,150, a £1,491 spread on the same certified stone. NZ Jewellers lists it at £2,150. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.90
Carat
J
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5533127753
Dimensions6.18 × 6.21 × 3.81 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
6.18 mm6.21 mm0.90 ctJ / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 5533127753
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.5%

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: Nov 1
Current: £1,139 GBP|Low: £650 GBP|High: £1,259 GBP|Avg: £930 GBP|+2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 2£659 GBP
Retailer 4£717 GBP
Retailer 3£845 GBP
Retailer 5£924 GBP
Retailer 6£940 GBP
Retailer 1£1,139 GBP
Retailer 7£1,259 GBP

18 data points across 7 retailers

10 retailers£659 GBP to £2,150 GBP

B+
Cheapest Retailer
-
£659 GBP
HK$6,900 HKD
B+
Retailer 2
-
£717 GBP
₹91,476 INR
View
B
Retailer 3
-
£845 GBP
$1,132 USD
View
B
Retailer 4
-
£881 GBP
$1,181 USD
View
B
Retailer 5
-
£881 GBP
$1,181 USD
View
B
Retailer 6
-
£916 GBP
$1,227 USD
View
B
Retailer 7
-
£924 GBP
$1,238 USD
View
B
Retailer 8
-
£1,017 GBP
$1,363 USD
View
B
Retailer 9
-
£1,139 GBP
€1,454 EUR
View
Most Expensive
C
NZ Jewellers
265fba51-5b85-4448-bb72-6d3f9704c9e0 · Oct 30
£2,150 GBP
$2,881 USD
View
9 more retailers have this diamond
Prices start from £659 GBPSave up to £1,491 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
£659 GBP