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Round|Natural|IGI

0.80ct J I1 Round Natural Diamond

EX • J/I1 • IGI 659451714

Shape and cutting style on the report: Round brilliant

Certificate IGI 659451714

Diamond specifications and retailer prices

From £412 GBP
$552 USD
As of October 31, 2026
Save £880 GBP (68%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,292 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 659451714. Listed at 8 retailers as of October 30, 2026, with prices from £412 to £1,292, a £880 spread on the same certified stone. NZ Jewellers lists it at £1,292. 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
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.5°
OriginNatural
Grading LabIGI
CertificateIGI 659451714
Dimensions5.84 × 5.88 × 3.72 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
5.84 mm5.88 mm0.80 ctJ / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 659451714
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.5%

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 31
Current: £1,292 GBP|Low: £412 GBP|High: £1,292 GBP|Avg: £599 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 6£412 GBP
Retailer 3£443 GBP
Retailer 8£443 GBP
Retailer 4£460 GBP
Retailer 7£475 GBP
Retailer 9£593 GBP
Retailer 5£597 GBP
Retailer 2£614 GBP
NZ Jewellers£1,292 GBP

22 data points across 9 retailers

8 retailers£412 GBP to £1,292 GBP

A
Cheapest Retailer
-
£412 GBP
$552 USD
B+
Retailer 2
-
£443 GBP
$594 USD
View
B+
Retailer 3
-
£443 GBP
$594 USD
View
B+
Retailer 4
-
£475 GBP
$637 USD
View
Retailer 5
-
£580 GBP
$777 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£597 GBP
$800 USD
View
B+
Retailer 7
-
£614 GBP
€784 EUR
View
Most Expensive
C
NZ Jewellers
56fa58ff-59ce-4776-9464-cb90385be24a · Oct 30
£1,292 GBP
$1,731 USD
View
7 more retailers have this diamond
Prices start from £412 GBPSave up to £880 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
£412 GBP