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Oval|Natural|HRD

1.50ct I SI1 Oval Natural Diamond

EX • I/SI1 • HRD 250000260815

Certificate HRD 250000260815

Diamond specifications and retailer prices

From £2,090 GBP
As of November 6, 2026
Save £2,344 GBP (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £4,433 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural oval diamond

This 1.5ct natural oval sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 250000260815. Listed at 15 retailers as of November 5, 2026, with prices from £2,090 to £4,433, a £2,344 spread on the same certified stone. NZ Jewellers lists it at £4,433. 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

1.50
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 250000260815
Dimensions8.73 × 6.41 × 4.04 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizeNone
Top View
8.73 mm6.41 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateHRD 250000260815
Side View
Table 63.0%CrownGirdle: MediumPavilionCulet: NoneDepth 63.0%

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: £4,433 GBP|Low: £2,067 GBP|High: £4,598 GBP|Avg: £2,876 GBP|-3.6%
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£2,090 GBP
Retailer 5£2,308 GBP
Retailer 12£2,348 GBP
Retailer 3£2,525 GBP
Retailer 11£2,545 GBP
Retailer 4£2,622 GBP
Retailer 7£2,652 GBP
Retailer 9£2,665 GBP
Retailer 2£2,719 GBP
Retailer 10£2,936 GBP
Retailer 8£2,962 GBP
Retailer 13£4,223 GBP
NZ Jewellers£4,433 GBP

29 data points across 13 retailers

15 retailers£2,090 GBP to £4,433 GBP

A
Cheapest Retailer
-
£2,090 GBP
A
Retailer 2
-
£2,308 GBP
View
A
Retailer 3
-
£2,348 GBP
View
Final sale: no returns
A
Retailer 4
-
£2,468 GBP
View
Retailer 5
-
£2,525 GBP
View
Price last confirmed 8 days ago
Retailer 6
-
£2,525 GBP
View
Price last confirmed 19 days ago
A
Retailer 7
-
£2,545 GBP
View
A
Retailer 8
-
£2,622 GBP
View
A
Retailer 9
-
£2,652 GBP
View
A
Retailer 10
-
£2,665 GBP
View
A
Retailer 11
-
£2,719 GBP
View
A
Retailer 12
-
£2,936 GBP
View
A
Retailer 13
-
£2,962 GBP
View
B+
Retailer 14
-
£4,223 GBP
View
Most Expensive
B+
NZ Jewellers
e0e8a802-ead3-4ff5-892f-53f91b1ca1ac · Nov 5
£4,433 GBP
$5,934 USD
View
14 more retailers have this diamond
Prices start from £2,090 GBPSave up to £2,344 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
1.50ct Oval
£2,090 GBP