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Round|Natural|IGI

0.90ct J I1 Round Natural Diamond

EX • J/I1 • IGI 710595134

Shape and cutting style on the report: Round brilliant

Certificate IGI 710595134

Diamond specifications and retailer prices

From £551 GBP
$738 USD
As of October 31, 2026
Save £1,177 GBP (68%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,728 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 IGI 710595134. Listed at 9 retailers as of October 30, 2026, with prices from £551 to £1,728, a £1,177 spread on the same certified stone. NZ Jewellers lists it at £1,728. 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
FluorescenceNone
Crown angle35.9°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 710595134
Dimensions6.17 × 6.20 × 3.78 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
6.17 mm6.20 mm0.90 ctJ / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 710595134
Side View
Table 61.0%Crown 35.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.1%

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: £1,728 GBP|Low: £366 GBP|High: £1,728 GBP|Avg: £719 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 3£366 GBP
Retailer 7£551 GBP
Retailer 9£551 GBP
Retailer 4£560 GBP
Retailer 5£572 GBP
Retailer 6£576 GBP
Retailer 8£636 GBP
Retailer 2£777 GBP
Retailer 11£786 GBP
Retailer 10£787 GBP
NZ Jewellers£1,728 GBP

17 data points across 11 retailers

9 retailers£551 GBP to £1,728 GBP

B+
Cheapest Retailer
-
£551 GBP
$738 USD
B+
Retailer 2
-
£551 GBP
$738 USD
View
B+
Retailer 3
-
£560 GBP
$750 USD
View
B+
Retailer 4
-
£572 GBP
$767 USD
View
B+
Retailer 5
-
£576 GBP
$771 USD
View
B+
Retailer 6
-
£636 GBP
$852 USD
View
B+
Retailer 7
-
£777 GBP
€992 EUR
View
B+
Retailer 8
-
£786 GBP
$1,053 USD
View
Most Expensive
C
NZ Jewellers
091b264f-7e4d-490f-a4b8-77726a2ef8b1 · Oct 30
£1,728 GBP
$2,315 USD
View
8 more retailers have this diamond
Prices start from £551 GBPSave up to £1,177 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
£551 GBP