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Round|Natural|IGI

1.56ct J IF Round Natural Diamond

EX • J/IF • IGI 762535123

Shape and cutting style on the report: Round brilliant

Certificate IGI 762535123

Diamond specifications and retailer prices

From £3,844 GBP
$5,150 USD
As of November 1, 2026
Save £2,721 GBP (41%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £7,452 GBP at NZ Jewellers · As of September 28, 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 762535123. Listed at 14 retailers as of November 1, 2026, with a 71% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle33.4°
Pavilion angle40.3°
OriginNatural
Grading LabIGI
CertificateIGI 762535123
Dimensions7.48 × 7.51 × 4.52 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.48 mm7.51 mm1.56 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 762535123
Side View
Table 57.0%Crown 33.4°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.3%

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: Nov 1
Current: £4,846 GBP|Low: £3,735 GBP|High: £6,643 GBP|Avg: £5,023 GBP|+5.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 5£3,844 GBP
Retailer 6£4,112 GBP
Retailer 3£4,403 GBP
Retailer 1£4,846 GBP
Retailer 7£5,298 GBP
Retailer 4£5,474 GBP
Retailer 2£6,565 GBP

41 data points across 7 retailers

14 retailers£3,844 GBP to £6,565 GBP

Cheapest Retailer
-
£3,844 GBP
$5,150 USD
A
Retailer 2
-
£3,886 GBP
$5,207 USD
View
A
Retailer 3
-
£4,112 GBP
$5,510 USD
View
Final sale: no returns
A
Retailer 4
-
£4,153 GBP
$5,565 USD
View
A
Retailer 5
-
£4,403 GBP
View
Retailer 6
-
£4,456 GBP
$5,970 USD
View
Price last confirmed 31 days ago
Retailer 7
-
£4,456 GBP
$5,970 USD
View
Price last confirmed 33 days ago
A
Retailer 8
-
£4,549 GBP
$6,095 USD
View
A
Retailer 9
-
£4,572 GBP
$6,126 USD
View
B+
Retailer 10
-
£4,846 GBP
€6,184 EUR
View
Retailer 11
-
£5,141 GBP
$6,888 USD
View
Price last confirmed 32 days ago
B+
Retailer 12
-
£5,474 GBP
ZAR 118,496 ZAR
View
B+
Retailer 13
-
£6,565 GBP
View
Most Expensive
NZ Jewellers
32eb6c63-f55a-454f-a0fb-f478e06069b7 · Sep 28
£7,452 GBP
$9,985 USD
View
Price last confirmed 34 days ago
13 more retailers have this diamond
Prices start from £3,844 GBPSave up to £2,721 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
£3,844 GBP