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Cushion|Natural|GIA

0.91ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 7551038148

Certificate GIA 7551038148

Diamond specifications and retailer prices

From £725 GBP
HK$7,600 HKD
As of November 1, 2026
Save £1,044 GBP (59%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,769 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 0.91ct natural cushion diamond

This 0.91ct natural cushion sits in the just-under-one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7551038148. Listed at 12 retailers as of November 1, 2026, with prices from £725 to £1,769, a £1,044 spread on the same certified stone. MOH London lists it at £1,769. 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

0.91
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7551038148
Dimensions6.32 × 5.25 × 3.60 mm
L/W Ratio1.20
Girdle conditionFaceted
Top View
6.32 mm5.25 mm0.91 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551038148
Side View
Table 62.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 68.5%

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: £1,769 GBP|Low: £725 GBP|High: £1,903 GBP|Avg: £1,162 GBP|-7.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 7£725 GBP
Retailer 2£725 GBP
Retailer 9£805 GBP
Retailer 6£860 GBP
Retailer 10£891 GBP
Retailer 8£904 GBP
Retailer 3£967 GBP
Retailer 11£1,089 GBP
Retailer 5£1,113 GBP
Retailer 4£1,347 GBP
MOH London£1,769 GBP

34 data points across 11 retailers

12 retailers£725 GBP to £1,769 GBP

A
Cheapest Retailer
-
£725 GBP
HK$7,600 HKD
A
Retailer 2
-
£725 GBP
₹92,653 INR
View
A
Retailer 3
-
£805 GBP
$1,080 USD
View
A
Retailer 4
-
£860 GBP
A$1,775 AUD
View
A
Retailer 5
-
£891 GBP
$1,195 USD
View
Final sale: no returns
A
Retailer 6
-
£904 GBP
$1,213 USD
View
A
Retailer 7
-
£967 GBP
$1,298 USD
View
A
Retailer 8
-
£1,070 GBP
SGD 1,941 SGD
View
A
Retailer 9
-
£1,089 GBP
$1,462 USD
View
A
Retailer 10
-
£1,113 GBP
View
B+
Retailer 11
-
£1,347 GBP
€1,722 EUR
View
Most Expensive
B+
MOH London
ADE5012DD · Nov 2
£1,769 GBP
View
11 more retailers have this diamond
Prices start from £725 GBPSave up to £1,044 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
0.91ct Cushion
£725 GBP