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Oval|Natural|HRD

1.51ct H SI2 Oval Natural Diamond

ID • H/SI2 • HRD 260000229305

Certificate HRD 260000229305

Diamond specifications and retailer prices

From £1,839 GBP
As of November 6, 2026
Save £2,522 GBP (58%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £4,361 GBP at NZ Jewellers · As of November 5, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 260000229305. Listed at 13 retailers as of November 5, 2026, with prices from £1,839 to £4,361, a £2,522 spread on the same certified stone. NZ Jewellers lists it at £4,361. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
H
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 260000229305
Dimensions8.91 × 6.37 × 3.87 mm
L/W Ratio1.40
Top View
8.91 mm6.37 mm1.51 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 260000229305
Side View
Table 60.0%CrownGirdle: THIPavilionCulet: NoneDepth 60.8%

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 6
Current: £4,361 GBP|Low: £1,839 GBP|High: £4,361 GBP|Avg: £2,736 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 6£1,839 GBP
Retailer 10£1,912 GBP
Retailer 11£2,256 GBP
Retailer 9£2,291 GBP
Retailer 5£2,311 GBP
Retailer 2£2,488 GBP
Retailer 7£2,503 GBP
Retailer 12£2,503 GBP
Retailer 13£2,599 GBP
Retailer 3£2,888 GBP
Retailer 4£2,909 GBP
Retailer 8£4,175 GBP
NZ Jewellers£4,361 GBP

38 data points across 13 retailers

13 retailers£1,839 GBP to £4,361 GBP

A
Cheapest Retailer
-
£1,839 GBP
A
Retailer 2
-
£1,912 GBP
View
A
Retailer 3
-
£2,256 GBP
View
A
Retailer 4
-
£2,291 GBP
View
A
Retailer 5
-
£2,311 GBP
View
Final sale: no returns
A
Retailer 6
-
£2,488 GBP
View
A
Retailer 7
-
£2,503 GBP
View
Retailer 8
-
£2,503 GBP
View
Price last confirmed 8 days ago
A
Retailer 9
-
£2,599 GBP
View
A
Retailer 10
-
£2,610 GBP
View
A
Retailer 11
-
£2,888 GBP
View
B+
Retailer 12
-
£4,175 GBP
View
Most Expensive
B+
NZ Jewellers
bdff9838-189a-4224-9bb5-450bf187b487 · Nov 5
£4,361 GBP
$5,837 USD
View
12 more retailers have this diamond
Prices start from £1,839 GBPSave up to £2,522 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
£1,839 GBP