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Marquise|Natural|HRD

1.51ct H SI2 Marquise Natural Diamond

EX • H/SI2 • HRD 260000107418

Certificate HRD 260000107418

Diamond specifications and retailer prices

From £1,457 GBP
₹186,220 INR
As of November 1, 2026
Save £3,971 GBP (73%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £5,428 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 260000107418. Listed at 13 retailers as of October 30, 2026, with prices from £1,457 to £5,428, a £3,971 spread on the same certified stone. NZ Jewellers lists it at £5,428. 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
OriginNatural
Grading LabHRD
CertificateHRD 260000107418
Dimensions10.97 × 5.79 × 3.75 mm
L/W Ratio1.89
Top View
10.97 mm5.79 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateHRD 260000107418
Side View
Table 60.0%CrownGirdle: THIPavilionCuletDepth 64.8%

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 1
Current: £5,428 GBP|Low: £1,454 GBP|High: £5,582 GBP|Avg: £3,147 GBP|-2.8%
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 2, 2026
Retailer 6£1,457 GBP
Retailer 5£1,640 GBP
Retailer 4£1,787 GBP
Retailer 8£2,832 GBP
Retailer 13£2,876 GBP
Retailer 10£3,116 GBP
Retailer 11£3,116 GBP
Retailer 12£3,116 GBP
Retailer 9£3,226 GBP
Retailer 2£3,525 GBP
Retailer 3£3,595 GBP
Retailer 7£5,211 GBP
NZ Jewellers£5,428 GBP

38 data points across 13 retailers

13 retailers£1,457 GBP to £5,428 GBP

A
Cheapest Retailer
-
£1,457 GBP
₹186,220 INR
A
Retailer 2
-
£1,640 GBP
$2,201 USD
View
A
Retailer 3
-
£1,787 GBP
$2,398 USD
View
B+
Retailer 4
-
£2,832 GBP
$3,800 USD
View
B+
Retailer 5
-
£2,876 GBP
$3,859 USD
View
Final sale: no returns
A
Retailer 6
-
£3,116 GBP
$4,181 USD
View
B+
Retailer 7
-
£3,116 GBP
$4,181 USD
View
B+
Retailer 8
-
£3,116 GBP
$4,181 USD
View
B+
Retailer 9
-
£3,226 GBP
$4,329 USD
View
A
Retailer 10
-
£3,525 GBP
€4,505 EUR
View
A
Retailer 11
-
£3,595 GBP
$4,824 USD
View
B+
Retailer 12
-
£5,211 GBP
View
Most Expensive
B+
NZ Jewellers
b796601e-1897-44e3-90d0-b307708241c5 · Oct 30
£5,428 GBP
$7,284 USD
View
12 more retailers have this diamond
Prices start from £1,457 GBPSave up to £3,971 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
£1,457 GBP