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Oval|Natural|HRD

1.51ct H I1 Oval Natural Diamond

ID • H/I1 • HRD 260000237321

Certificate HRD 260000237321

Diamond specifications and retailer prices

From £1,643 GBP
₹209,675 INR
As of November 1, 2026
Save £2,567 GBP (61%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £4,210 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and I1 clarity (included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 260000237321. Listed at 10 retailers as of October 30, 2026, with prices from £1,643 to £4,210, a £2,567 spread on the same certified stone. NZ Jewellers lists it at £4,210. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Colour
I1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 260000237321
Dimensions8.94 × 6.37 × 4.07 mm
L/W Ratio1.40
Top View
8.94 mm6.37 mm1.51 ctH / I1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateHRD 260000237321
Side View
Table 61.0%CrownGirdle: THIPavilionCulet: NoneDepth 63.8%

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: £4,210 GBP|Low: £1,643 GBP|High: £4,641 GBP|Avg: £2,306 GBP|+6.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 3£1,643 GBP
Retailer 4£1,855 GBP
Retailer 5£1,856 GBP
Retailer 10£1,859 GBP
Retailer 7£2,014 GBP
Retailer 9£2,014 GBP
Retailer 8£2,091 GBP
Retailer 6£2,323 GBP
Retailer 2£2,429 GBP
NZ Jewellers£4,210 GBP

29 data points across 10 retailers

10 retailers£1,643 GBP to £4,210 GBP

A
Cheapest Retailer
-
£1,643 GBP
₹209,675 INR
A
Retailer 2
-
£1,855 GBP
$2,486 USD
View
B+
Retailer 3
-
£1,856 GBP
$2,486 USD
View
B+
Retailer 4
-
£1,859 GBP
$2,491 USD
View
Final sale: no returns
A
Retailer 5
-
£2,014 GBP
$2,698 USD
View
A
Retailer 6
-
£2,014 GBP
$2,698 USD
View
A
Retailer 7
-
£2,091 GBP
$2,802 USD
View
A
Retailer 8
-
£2,323 GBP
$3,113 USD
View
B+
Retailer 9
-
£2,429 GBP
€3,099 EUR
View
Most Expensive
B
NZ Jewellers
712c157f-0b58-43f6-954d-169d30b27bb8 · Oct 30
£4,210 GBP
$5,641 USD
View
9 more retailers have this diamond
Prices start from £1,643 GBPSave up to £2,567 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 Oval
£1,643 GBP