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Marquise|Natural|HRD

1.51ct H SI2 Marquise Natural Diamond

EX • H/SI2 • HRD 260000033143

Certificate HRD 260000033143

Diamond specifications and retailer prices

From £2,396 GBP
As of November 5, 2026
Save £1,918 GBP (44%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £4,314 GBP at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise 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 260000033143. Listed at 5 retailers as of November 5, 2026, with prices from £2,396 to £4,314, a £1,918 spread on the same certified stone. Wholesale Diamonds Direct lists it at £4,314. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.81°
Pavilion angle42.23°
OriginNatural
Grading LabHRD
CertificateHRD 260000033143
Dimensions11.46 × 6.06 × 3.77 mm
L/W Ratio1.89
Culet sizePointed
Top View
11.46 mm6.06 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateHRD 260000033143
Side View
Table 63.0%Crown 35.81°Girdle: MediumPavilion 42.23°Culet: NoneDepth 62.2%

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 5
Current: £3,111 GBP|Low: £1,967 GBP|High: £4,678 GBP|Avg: £3,125 GBP|-3.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Wholesale Diamonds Direct
November 6, 2026
Retailer 5£1,967 GBP
Retailer 2£2,396 GBP
Retailer 3£2,522 GBP
Retailer 4£3,034 GBP
Retailer 1£3,111 GBP
Retailer 6£3,993 GBP
Wholesale Diamonds Direct£4,314 GBP

23 data points across 7 retailers

5 retailers£2,396 GBP to £4,314 GBP

A
Cheapest Retailer
-
£2,396 GBP
A
Retailer 2
-
£2,522 GBP
View
A
Retailer 3
-
£3,034 GBP
View
A
Retailer 4
-
£3,111 GBP
View
Most Expensive
B+
Wholesale Diamonds Direct
586833180 · Nov 6
£4,314 GBP
$5,775 USD
View
4 more retailers have this diamond
Prices start from £2,396 GBPSave up to £1,918 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 Marquise
£2,396 GBP