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Cushion|Natural|GIA

1.00ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 7451873531

Certificate GIA 7451873531

Diamond specifications and retailer prices

From £849 GBP
HK$8,900 HKD
As of November 1, 2026
Save £1,162 GBP (58%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £2,011 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic 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 7451873531. Listed at 18 retailers as of November 1, 2026, with prices from £849 to £2,011, a £1,162 spread on the same certified stone. MOH London lists it at £2,011. 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

1.00
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7451873531
Dimensions5.66 × 4.93 × 3.88 mm
L/W Ratio1.15
Top View
5.66 mm4.93 mm1.00 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 7451873531
Side View
Table 59.0%CrownGirdle: ThickPavilionCulet: NoneDepth 78.8%

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: £2,011 GBP|Low: £961 GBP|High: £2,036 GBP|Avg: £1,323 GBP|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 2£963 GBP
Retailer 3£1,059 GBP
Retailer 12£1,066 GBP
Retailer 11£1,077 GBP
Retailer 5£1,120 GBP
Retailer 9£1,148 GBP
Retailer 10£1,253 GBP
Retailer 6£1,281 GBP
Retailer 8£1,401 GBP
Retailer 4£1,498 GBP
Retailer 7£1,568 GBP
MOH London£2,011 GBP

32 data points across 12 retailers

18 retailers£849 GBP to £2,011 GBP

A
Cheapest Retailer
-
£849 GBP
HK$8,900 HKD
A
Retailer 2
-
£963 GBP
₹123,125 INR
View
A
Retailer 3
-
£1,059 GBP
$1,421 USD
View
Final sale: no returns
A
Retailer 4
-
£1,064 GBP
$1,428 USD
View
A
Retailer 5
-
£1,066 GBP
$1,430 USD
View
Retailer 6
-
£1,077 GBP
$1,445 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
£1,109 GBP
A$2,289 AUD
View
A
Retailer 8
-
£1,120 GBP
View
A
Retailer 9
-
£1,148 GBP
$1,540 USD
View
A
Retailer 10
-
£1,184 GBP
SGD 2,148 SGD
View
A
Retailer 11
-
£1,249 GBP
$1,676 USD
View
A
Retailer 12
-
£1,253 GBP
$1,682 USD
View
A
Retailer 13
-
£1,281 GBP
View
A
Retailer 14
-
£1,401 GBP
ZAR 30,375 ZAR
View
Retailer 15
-
£1,498 GBP
A$3,092 AUD
View
Price last confirmed 27 days ago
B+
Retailer 16
-
£1,568 GBP
€2,004 EUR
View
B+
Retailer 17
-
£1,766 GBP
$2,370 USD
View
Most Expensive
B+
MOH London
9DFF2F2D9 · Nov 1
£2,011 GBP
View
17 more retailers have this diamond
Prices start from £849 GBPSave up to £1,162 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
1.00ct Cushion
£849 GBP