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1.56ct K IF Round Natural Diamond

EX • K/IF • IGI 669473761

Shape and cutting style on the report: Round brilliant

Certificate IGI 669473761

Diamond specifications and retailer prices

From £3,626 GBP
As of November 1, 2026
Save £2,937 GBP (45%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £6,563 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.56ct natural round diamond

This 1.56ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 669473761. Listed at 7 retailers as of November 1, 2026, with prices from £3,626 to £6,563, a £2,937 spread on the same certified stone. MOH London lists it at £6,563. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
K
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.2°
OriginNatural
Grading LabIGI
CertificateIGI 669473761
Dimensions7.57 × 7.50 × 4.47 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.57 mm7.50 mm1.56 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 669473761
Side View
Table 60.0%Crown 34.8°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 59.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £6,563 GBP|Low: £3,115 GBP|High: £6,642 GBP|Avg: £4,264 GBP|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 4£3,125 GBP
Retailer 6£3,626 GBP
Retailer 5£3,632 GBP
Retailer 2£4,032 GBP
Retailer 7£4,092 GBP
Retailer 3£4,651 GBP
MOH London£6,563 GBP

41 data points across 7 retailers

7 retailers£3,626 GBP to £6,563 GBP

Retailer 1
-
£3,125 GBP
Price last confirmed 14 days ago
Retailer 2
-
£3,256 GBP
View
Price last confirmed 14 days ago
A
Retailer 3
-
£3,626 GBP
View
A
Retailer 4
-
£3,632 GBP
View
A
Retailer 5
-
£4,032 GBP
View
B+
Retailer 6
-
£4,651 GBP
View
Most Expensive
B+
MOH London
630CFEA4F · Nov 2
£6,563 GBP
View
6 more retailers have this diamond
Prices start from £3,626 GBPSave up to £2,937 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
£3,626 GBP