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Round|Natural|IGI

0.80ct J I1 Round Natural Diamond

EX • J/I1 • IGI 815638440

Shape and cutting style on the report: Round brilliant

Certificate IGI 815638440

Diamond specifications and retailer prices

From £342 GBP
₹43,580 INR
As of October 30, 2026
Save £1,018 GBP (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,359 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.8ct natural round diamond

This 0.8ct 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 815638440. Listed at 9 retailers as of October 30, 2026, with prices from £342 to £1,359, a £1,018 spread on the same certified stone. NZ Jewellers lists it at £1,359. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.80
Carat
J
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle33.7°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 815638440
Dimensions5.92 × 5.96 × 3.70 mm
L/W Ratio1.01
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
5.92 mm5.96 mm0.80 ctJ / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateIGI 815638440
Side View
Table 56.0%Crown 33.7°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,359 GBP|Low: £338 GBP|High: £1,359 GBP|Avg: £607 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 3£342 GBP
Retailer 8£434 GBP
Retailer 4£467 GBP
Retailer 7£467 GBP
Retailer 6£500 GBP
Retailer 5£612 GBP
Retailer 9£630 GBP
Retailer 2£642 GBP
NZ Jewellers£1,359 GBP

20 data points across 9 retailers

9 retailers£342 GBP to £1,359 GBP

A
Cheapest Retailer
-
£342 GBP
₹43,580 INR
B+
Retailer 2
-
£434 GBP
$581 USD
View
B+
Retailer 3
-
£467 GBP
$626 USD
View
B+
Retailer 4
-
£467 GBP
$626 USD
View
B+
Retailer 5
-
£500 GBP
$670 USD
View
B+
Retailer 6
-
£612 GBP
$819 USD
View
B+
Retailer 7
-
£630 GBP
$844 USD
View
B+
Retailer 8
-
£642 GBP
€819 EUR
View
Most Expensive
C
NZ Jewellers
aac33859-0bdc-4aed-8d4a-b8030e3b19f5 · Oct 30
£1,359 GBP
$1,821 USD
View
8 more retailers have this diamond
Prices start from £342 GBPSave up to £1,018 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.

A
0.80ct Round
£342 GBP