CaratHunter
Plans
Oval|Natural|HRD

1.51ct H I1 Oval Natural Diamond

ID • H/I1 • HRD 260000231417

Certificate HRD 260000231417

Diamond specifications and retailer prices

From £1,580 GBP
$2,117 USD
As of October 28, 2026
Save £2,076 GBP (57%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £3,656 GBP at NZ Jewellers · As of October 27, 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 260000231417. Listed at 7 retailers as of October 27, 2026, with prices from £1,580 to £3,656, a £2,076 spread on the same certified stone. NZ Jewellers lists it at £3,656. 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 260000231417
Dimensions8.80 × 6.29 × 4.03 mm
L/W Ratio1.40
Top View
8.80 mm6.29 mm1.51 ctH / I1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateHRD 260000231417
Side View
Table 61.0%CrownGirdle: NUL-NULPavilionCuletDepth 64.1%

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: Oct 28
Current: £3,656 GBP|Low: £1,580 GBP|High: £3,656 GBP|Avg: £2,136 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 7£1,580 GBP
Retailer 3£1,749 GBP
Retailer 6£1,749 GBP
Retailer 4£1,829 GBP
Retailer 5£2,017 GBP
Retailer 2£2,183 GBP
NZ Jewellers£3,656 GBP

11 data points across 7 retailers

7 retailers£1,580 GBP to £3,656 GBP

A
Cheapest Retailer
-
£1,580 GBP
$2,117 USD
B+
Retailer 2
-
£1,749 GBP
$2,343 USD
View
B+
Retailer 3
-
£1,749 GBP
$2,343 USD
View
B+
Retailer 4
-
£1,829 GBP
$2,451 USD
View
B+
Retailer 5
-
£2,017 GBP
$2,703 USD
View
B+
Retailer 6
-
£2,183 GBP
€2,786 EUR
View
Most Expensive
B
NZ Jewellers
1a643869-7044-4cc8-a43a-4aed3d2a3f14 · Oct 27
£3,656 GBP
$4,898 USD
View
6 more retailers have this diamond
Prices start from £1,580 GBPSave up to £2,076 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
£1,580 GBP