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Round|Natural|IGI

1.54ct H IF Round Natural Diamond

EX • H/IF • IGI 646462167

Shape and cutting style on the report: Round brilliant

Certificate IGI 646462167

Diamond specifications and retailer prices

From £4,306 GBP
As of November 5, 2026
Save £6,110 GBP (59%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £10,416 GBP at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.54ct natural round diamond

This 1.54ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 646462167. Listed at 16 retailers as of November 5, 2026, with prices from £4,306 to £10,416, a £6,110 spread on the same certified stone. Diamond Quarter lists it at £10,416. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
H
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41.7°
OriginNatural
Grading LabIGI
CertificateIGI 646462167
Dimensions7.34 × 7.28 × 4.64 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.34 mm7.28 mm1.54 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 646462167
Side View
Table 57.0%Crown 34.7°Girdle: MED-STKPavilion 41.7°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
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 5
Current: £5,210 GBP|Low: £4,306 GBP|High: £7,817 GBP|Avg: £5,746 GBP|-2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 3£4,306 GBP
Retailer 6£4,566 GBP
Retailer 7£5,116 GBP
Retailer 1£5,210 GBP
Retailer 5£6,035 GBP
Retailer 2£6,763 GBP
Retailer 4£7,703 GBP

38 data points across 7 retailers

16 retailers£4,306 GBP to £10,416 GBP

A
Cheapest Retailer
-
£4,306 GBP
A
Retailer 2
-
£4,566 GBP
View
A
Retailer 3
-
£4,834 GBP
View
Retailer 4
-
£5,116 GBP
View
Price last confirmed 8 days ago
A
Retailer 5
-
£5,116 GBP
View
Final sale: no returns
A
Retailer 6
-
£5,119 GBP
View
A
Retailer 7
-
£5,210 GBP
View
A
Retailer 8
-
£5,543 GBP
View
A
Retailer 9
-
£5,628 GBP
View
A
Retailer 10
-
£5,663 GBP
View
A
Retailer 11
-
£6,035 GBP
View
A
Retailer 12
-
£6,396 GBP
View
B+
Retailer 13
-
£6,763 GBP
View
B+
Retailer 14
-
£7,703 GBP
View
B
Retailer 15
-
£9,270 GBP
View
Most Expensive
B
Diamond Quarter
1.54IFH6467AE99N · Nov 5
£10,416 GBP
View
15 more retailers have this diamond
Prices start from £4,306 GBPSave up to £6,110 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
£4,306 GBP