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1.51ct L IF Round Natural Diamond

EX • L/IF • HRD 170001811245

Certificate HRD 170001811245

Diamond specifications and retailer prices

From £2,444 GBP
As of November 6, 2026
Save £2,352 GBP (49%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £4,796 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by HRD 170001811245. Listed at 7 retailers as of November 5, 2026, with prices from £2,444 to £4,796, a £2,352 spread on the same certified stone. NZ Jewellers lists it at £4,796. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
L
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Crown angle35.1°
Pavilion angle41.6°
OriginNatural
Grading LabHRD
CertificateHRD 170001811245
Dimensions7.32 × 7.36 × 4.54 mm
L/W Ratio1.01
Culet sizeNone
Cert comments
170001811245
Top View
7.32 mm7.36 mm1.51 ctL / IF
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateHRD 170001811245
Side View
Table 61.0%Crown 35.1°Girdle: MED-MEDPavilion 41.6°Culet: NoneDepth 61.9%

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 6
Current: £4,796 GBP|Low: £2,444 GBP|High: £4,796 GBP|Avg: £3,135 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 5£2,444 GBP
Retailer 4£2,753 GBP
Retailer 3£2,859 GBP
Retailer 6£2,861 GBP
Retailer 2£2,976 GBP
Retailer 7£3,176 GBP
NZ Jewellers£4,796 GBP

21 data points across 7 retailers

7 retailers£2,444 GBP to £4,796 GBP

A
Cheapest Retailer
-
£2,444 GBP
A
Retailer 2
-
£2,753 GBP
View
A
Retailer 3
-
£2,859 GBP
View
A
Retailer 4
-
£2,861 GBP
View
A
Retailer 5
-
£2,976 GBP
View
B+
Retailer 6
-
£3,176 GBP
View
Most Expensive
B
NZ Jewellers
72e8ad5a-5819-433e-901f-c4e9dbaaeeda · Nov 5
£4,796 GBP
$6,455 USD
View
6 more retailers have this diamond
Prices start from £2,444 GBPSave up to £2,352 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
1.51ct Round
£2,444 GBP