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1.50ct H SI2 Round Natural Diamond

EX • H/SI2 • HRD 260000046146

Certificate HRD 260000046146

Diamond specifications and retailer prices

From £1,859 GBP
As of November 6, 2026
Save £2,436 GBP (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £4,294 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round 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 and certified by HRD 260000046146. Listed at 12 retailers as of November 5, 2026, with prices from £1,859 to £4,294, a £2,436 spread on the same certified stone. NZ Jewellers lists it at £4,294. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabHRD
CertificateHRD 260000046146
Dimensions7.19 × 7.24 × 4.58 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.19 mm7.24 mm1.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 260000046146
Side View
Table 58.0%Crown 36.5°Girdle: MediumPavilion 41°Culet: NoneDepth 63.4%

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: £4,294 GBP|Low: £1,859 GBP|High: £4,310 GBP|Avg: £2,839 GBP|-0.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 2£1,859 GBP
Retailer 9£2,189 GBP
Retailer 12£2,340 GBP
Retailer 4£2,465 GBP
Retailer 8£2,465 GBP
Retailer 10£2,560 GBP
Retailer 11£2,571 GBP
Retailer 3£2,652 GBP
Retailer 5£2,700 GBP
Retailer 7£2,844 GBP
Retailer 6£4,122 GBP
NZ Jewellers£4,294 GBP

45 data points across 12 retailers

12 retailers£1,859 GBP to £4,294 GBP

A
Cheapest Retailer
-
£1,859 GBP
A
Retailer 2
-
£2,189 GBP
View
A
Retailer 3
-
£2,340 GBP
View
Retailer 4
-
£2,465 GBP
View
Price last confirmed 12 days ago
A
Retailer 5
-
£2,465 GBP
View
A
Retailer 6
-
£2,560 GBP
View
A
Retailer 7
-
£2,571 GBP
View
A
Retailer 8
-
£2,652 GBP
View
A
Retailer 9
-
£2,700 GBP
View
A
Retailer 10
-
£2,844 GBP
View
B+
Retailer 11
-
£4,122 GBP
View
Most Expensive
B+
NZ Jewellers
3bab89c7-bd85-4151-9bc7-154c1bbd12ad · Nov 5
£4,294 GBP
$5,780 USD
View
11 more retailers have this diamond
Prices start from £1,859 GBPSave up to £2,436 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 Round
£1,859 GBP