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Cushion|Natural|HRD

1.09ct L SI1 Cushion Natural Diamond

ID • L/SI1 • HRD 250000266925

Certificate HRD 250000266925

Diamond specifications and retailer prices

From £1,409 GBP
As of November 6, 2026
Save £689 GBP (33%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £2,098 GBP at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.09ct natural cushion diamond

This 1.09ct natural cushion sits in the classic one-carat band, graded L 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 250000266925. Listed at 4 retailers as of November 6, 2026, with prices from £1,409 to £2,098, a £689 spread on the same certified stone. Yorxs lists it at £2,098. 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

1.09
Carat
L
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 250000266925
Dimensions5.77 × 5.60 × 3.91 mm
L/W Ratio1.03
Top View
5.77 mm5.60 mm1.09 ctL / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateHRD 250000266925
Side View
Table 61.0%CrownGirdlePavilionCuletDepth 69.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
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Price History

Last verified: Nov 6
Current: £1,409 GBP|Low: £1,409 GBP|High: £2,127 GBP|Avg: £1,680 GBP|-12.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Yorxs
November 6, 2026
Retailer 1£1,409 GBP
Retailer 2£1,533 GBP
Retailer 4£1,647 GBP
Retailer 3£1,663 GBP
Yorxs£2,098 GBP

21 data points across 5 retailers

4 retailers£1,409 GBP to £2,098 GBP

B
Cheapest Retailer
-
£1,409 GBP
B
Retailer 2
-
£1,533 GBP
View
Retailer 3
-
£1,663 GBP
View
Price last confirmed 12 days ago
Most Expensive
C
Yorxs
67A26EE31 · Nov 6
£2,098 GBP
€2,675 EUR
View
3 more retailers have this diamond
Prices start from £1,409 GBPSave up to £689 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
1.09ct Cushion
£1,409 GBP