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Cushion|Natural|HRD

1.51ct M SI1 Cushion Natural Diamond

EX • M/SI1 • HRD 250000267022

Certificate HRD 250000267022

Diamond specifications and retailer prices

From £2,289 GBP
As of November 6, 2026
Save £685 GBP (23%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £2,974 GBP at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 250000267022. Listed at 4 retailers as of November 6, 2026, with prices from £2,289 to £2,974, a £685 spread on the same certified stone. Yorxs lists it at £2,974. 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
M
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 250000267022
Dimensions6.35 × 6.10 × 4.32 mm
L/W Ratio1.04
Top View
6.35 mm6.10 mm1.51 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateHRD 250000267022
Side View
Table 56.0%CrownGirdlePavilionCuletDepth 70.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: £2,289 GBP|Low: £2,289 GBP|High: £3,015 GBP|Avg: £2,607 GBP|-12.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Yorxs
November 6, 2026
Retailer 1£2,289 GBP
Retailer 2£2,451 GBP
Retailer 4£2,575 GBP
Retailer 3£2,687 GBP
Yorxs£2,974 GBP

20 data points across 5 retailers

4 retailers£2,289 GBP to £2,974 GBP

B
Cheapest Retailer
-
£2,289 GBP
B
Retailer 2
-
£2,451 GBP
View
Retailer 3
-
£2,687 GBP
View
Price last confirmed 13 days ago
Most Expensive
B
Yorxs
10B6A445B · Nov 6
£2,974 GBP
€3,791 EUR
View
3 more retailers have this diamond
Prices start from £2,289 GBPSave up to £685 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.

B
1.51ct Cushion
£2,289 GBP