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Round|Natural|IGI

1.56ct J IF Round Natural Diamond

EX • J/IF • IGI 662459896

Shape and cutting style on the report: Round brilliant

Certificate IGI 662459896

Diamond specifications and retailer prices

From £3,743 GBP
$5,015 USD
As of October 25, 2026
Save £3,503 GBP (48%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £7,246 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 662459896. Listed at 20 retailers as of October 25, 2026, with prices from £3,743 to £7,246, a £3,503 spread on the same certified stone. NZ Jewellers lists it at £7,246. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.5°
OriginNatural
Grading LabIGI
CertificateIGI 662459896
Dimensions7.34 × 7.38 × 4.60 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.34 mm7.38 mm1.56 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 662459896
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.5%

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 25
Current: £7,246 GBP|Low: £3,460 GBP|High: £7,246 GBP|Avg: £4,599 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 31, 2026
Retailer 10£3,743 GBP
Retailer 6£3,778 GBP
Retailer 3£3,810 GBP
Retailer 12£3,814 GBP
Retailer 11£3,999 GBP
Retailer 7£4,045 GBP
Retailer 14£4,282 GBP
Retailer 15£4,296 GBP
Retailer 5£4,332 GBP
Retailer 8£4,332 GBP
Retailer 9£4,332 GBP
Retailer 13£4,426 GBP
Retailer 4£4,448 GBP
Retailer 20£4,725 GBP
Retailer 16£4,746 GBP
Retailer 18£4,999 GBP
Retailer 2£5,323 GBP
Retailer 17£6,417 GBP
Retailer 19£6,455 GBP
NZ Jewellers£7,246 GBP

41 data points across 20 retailers

20 retailers£3,743 GBP to £7,246 GBP

A
Cheapest Retailer
-
£3,743 GBP
$5,015 USD
A
Retailer 2
-
£3,778 GBP
$5,062 USD
View
A
Retailer 3
-
£3,810 GBP
$5,105 USD
View
Retailer 4
-
£3,814 GBP
$5,110 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£3,999 GBP
$5,358 USD
View
Final sale: no returns
A
Retailer 6
-
£4,045 GBP
$5,420 USD
View
A
Retailer 7
-
£4,282 GBP
View
A
Retailer 8
-
£4,296 GBP
View
A
Retailer 9
-
£4,332 GBP
$5,805 USD
View
A
Retailer 10
-
£4,332 GBP
$5,805 USD
View
A
Retailer 11
-
£4,332 GBP
$5,805 USD
View
A
Retailer 12
-
£4,426 GBP
$5,931 USD
View
A
Retailer 13
-
£4,448 GBP
$5,960 USD
View
B+
Retailer 14
-
£4,725 GBP
View
B+
Retailer 15
-
£4,746 GBP
€6,056 EUR
View
B+
Retailer 16
-
£4,999 GBP
$6,698 USD
View
B+
Retailer 17
-
£5,323 GBP
ZAR 115,220 ZAR
View
B+
Retailer 18
-
£6,417 GBP
View
B+
Retailer 19
-
£6,455 GBP
$8,649 USD
View
Most Expensive
B
NZ Jewellers
13b5eb86-32b4-4143-b253-5f186b33571d · Oct 30
£7,246 GBP
$9,709 USD
View
19 more retailers have this diamond
Prices start from £3,743 GBPSave up to £3,503 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
£3,743 GBP