Round|Natural|IGI

1.54ct K IF Round Natural Diamond

EX • K/IF • IGI 620410437

Shape and cutting style on the report: Round brilliant

Certificate IGI 620410437

Diamond specifications and retailer prices

From £3,185 GBP
As of November 5, 2026
Save £3,179 GBP (50%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £6,364 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.54ct natural round diamond

This 1.54ct 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 620410437. Listed at 16 retailers as of November 5, 2026, with prices from £3,185 to £6,364, a £3,179 spread on the same certified stone. NZ Jewellers lists it at £6,364. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
K
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.5°
OriginNatural
Grading LabIGI
CertificateIGI 620410437
Dimensions7.37 × 7.43 × 4.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.37 mm7.43 mm1.54 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 620410437
Side View
Table 60.0%Crown 34°Girdle: MediumPavilion 41.5°Culet: NoneDepth 61.7%

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 5
Current: £3,643 GBP|Low: £3,440 GBP|High: £5,887 GBP|Avg: £4,240 GBP|+1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 6£3,440 GBP
Retailer 1£3,643 GBP
Retailer 3£4,034 GBP
Retailer 4£4,107 GBP
Retailer 2£4,456 GBP
Retailer 5£5,802 GBP

27 data points across 6 retailers

16 retailers£3,185 GBP to £6,364 GBP

A
Cheapest Retailer
-
£3,185 GBP
A
Retailer 2
-
£3,440 GBP
View
A
Retailer 3
-
£3,643 GBP
View
Retailer 4
-
£3,653 GBP
View
Price last confirmed 13 days ago
Retailer 5
-
£3,653 GBP
View
Price last confirmed 19 days ago
A
Retailer 6
-
£3,653 GBP
View
Retailer 7
-
£3,653 GBP
View
Price last confirmed 21 days ago
Retailer 8
-
£3,653 GBP
View
Price last confirmed 22 days ago
A
Retailer 9
-
£3,765 GBP
View
A
Retailer 10
-
£4,034 GBP
View
A
Retailer 11
-
£4,107 GBP
View
Retailer 12
-
£4,215 GBP
View
Price last confirmed 19 days ago
A
Retailer 13
-
£4,456 GBP
View
B+
Retailer 14
-
£5,802 GBP
View
Retailer 15
-
£6,364 GBP
View
Price last confirmed 14 days ago
Most Expensive
B
NZ Jewellers
c1f51a34-4093-4a90-9006-491e19a73607 · Nov 5
£6,364 GBP
$8,565 USD
View
15 more retailers have this diamond
Prices start from £3,185 GBPSave up to £3,179 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
1.54ct Round
£3,185 GBP