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Marquise|Natural|HRD

2.51ct H SI2 Marquise Natural Diamond

ID • H/SI2 • HRD 260000127643

Certificate HRD 260000127643

Diamond specifications and retailer prices

From £9,975 GBP
₹1,272,957 INR
As of November 1, 2026
Save £6,951 GBP (41%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £16,927 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 2.51ct natural marquise diamond

This 2.51ct natural marquise sits in the two to three 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 260000127643. Listed at 14 retailers as of November 1, 2026, with prices from £9,975 to £16,927, a £6,951 spread on the same certified stone. MOH London lists it at £16,927. 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

2.51
Carat
H
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabHRD
CertificateHRD 260000127643
Dimensions13.27 × 6.96 × 4.35 mm
L/W Ratio1.91
Top View
13.27 mm6.96 mm2.51 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateHRD 260000127643
Side View
Table 62.0%CrownGirdle: MediumPavilionCulet: NoneDepth 62.4%

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 1
Current: £16,927 GBP|Low: £9,968 GBP|High: £17,130 GBP|Avg: £12,554 GBP
MOH London
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 1, 2026
Retailer 2£9,975 GBP
Retailer 6£10,799 GBP
Retailer 10£11,158 GBP
Retailer 5£11,464 GBP
Retailer 9£11,577 GBP
Retailer 8£11,591 GBP
Retailer 11£11,963 GBP
Retailer 12£12,760 GBP
Retailer 4£12,960 GBP
Retailer 7£13,215 GBP
Retailer 3£13,458 GBP
Retailer 13£15,354 GBP
MOH London£16,927 GBP

34 data points across 13 retailers

14 retailers£9,975 GBP to £16,927 GBP

A
Cheapest Retailer
-
£9,975 GBP
₹1,272,957 INR
A
Retailer 2
-
£10,799 GBP
$14,470 USD
View
A
Retailer 3
-
£11,158 GBP
$14,950 USD
View
A
Retailer 4
-
£11,464 GBP
$15,361 USD
View
Final sale: no returns
A
Retailer 5
-
£11,577 GBP
$15,512 USD
View
A
Retailer 6
-
£11,591 GBP
$15,531 USD
View
A
Retailer 7
-
£11,963 GBP
$16,029 USD
View
A
Retailer 8
-
£12,760 GBP
$17,097 USD
View
A
Retailer 9
-
£12,960 GBP
$17,365 USD
View
A
Retailer 10
-
£13,215 GBP
€16,863 EUR
View
A
Retailer 11
-
£13,291 GBP
$17,808 USD
View
A
Retailer 12
-
£13,458 GBP
$18,032 USD
View
A
Retailer 13
-
£15,354 GBP
$20,572 USD
View
Most Expensive
B+
MOH London
5B4763F25 · Nov 1
£16,927 GBP
View
13 more retailers have this diamond
Prices start from £9,975 GBPSave up to £6,951 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
2.51ct Marquise
£9,975 GBP