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Round|Natural|IGI

1.56ct J I1 Round Natural Diamond

EX • J/I1 • IGI 569390470

Shape and cutting style on the report: Round brilliant

Certificate IGI 569390470

Diamond specifications and retailer prices

From £1,531 GBP
$2,052 USD
As of October 29, 2026
Save £1,670 GBP (52%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £3,202 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.56ct natural round diamond

This 1.56ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI 569390470. Listed at 7 retailers as of October 30, 2026, with prices from £1,531 to £3,202, a £1,670 spread on the same certified stone. NZ Jewellers lists it at £3,202. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
J
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31.5°
Pavilion angle40.1°
OriginNatural
Grading LabIGI
CertificateIGI 569390470
Dimensions7.59 × 7.64 × 4.47 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.59 mm7.64 mm1.56 ctJ / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 569390470
Side View
Table 55.0%Crown 31.5°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 58.9%

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 29
Current: £3,202 GBP|Low: £912 GBP|High: £3,202 GBP|Avg: £1,747 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 10£912 GBP
Retailer 9£1,384 GBP
Retailer 6£1,531 GBP
Retailer 7£1,531 GBP
Retailer 3£1,602 GBP
Retailer 4£1,608 GBP
Retailer 5£1,767 GBP
Retailer 8£1,822 GBP
Retailer 2£2,082 GBP
NZ Jewellers£3,202 GBP

20 data points across 10 retailers

7 retailers£1,531 GBP to £3,202 GBP

A
Cheapest Retailer
-
£1,531 GBP
$2,052 USD
A
Retailer 2
-
£1,531 GBP
$2,052 USD
View
B+
Retailer 3
-
£1,602 GBP
$2,147 USD
View
B+
Retailer 4
-
£1,608 GBP
$2,154 USD
View
B+
Retailer 5
-
£1,767 GBP
$2,368 USD
View
B+
Retailer 6
-
£2,082 GBP
€2,657 EUR
View
Most Expensive
B
NZ Jewellers
fe731253-ba43-47ab-a7bf-b08e7a2aa1bb · Oct 30
£3,202 GBP
$4,290 USD
View
6 more retailers have this diamond
Prices start from £1,531 GBPSave up to £1,670 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
1.56ct Round
£1,531 GBP