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Cushion|Natural|GIA

1.00ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 5231837049

Certificate GIA 5231837049

Diamond specifications and retailer prices

From £1,492 GBP
$2,002 USD
As of October 26, 2026
Save £1,707 GBP (53%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £3,199 GBP at MOH London · As of October 26, 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 5231837049. Listed at 17 retailers as of October 26, 2026, with prices from £1,492 to £3,199, a £1,707 spread on the same certified stone. MOH London lists it at £3,199. 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
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5231837049
Dimensions6.22 × 5.49 × 3.77 mm
L/W Ratio1.13
Top View
6.22 mm5.49 mm1.00 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5231837049
Side View
Table 62.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 68.7%

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: Oct 26
Current: £3,199 GBP|Low: £1,492 GBP|High: £3,233 GBP|Avg: £1,922 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 27, 2026
Retailer 8£1,492 GBP
Retailer 15£1,531 GBP
Retailer 12£1,579 GBP
Retailer 4£1,593 GBP
Retailer 7£1,613 GBP
Retailer 11£1,623 GBP
Retailer 16£1,652 GBP
Retailer 9£1,692 GBP
Retailer 19£1,800 GBP
Retailer 6£1,807 GBP
Retailer 20£1,873 GBP
Retailer 5£1,908 GBP
Retailer 18£1,908 GBP
Retailer 2£1,937 GBP
Retailer 3£1,975 GBP
Retailer 14£2,220 GBP
Retailer 17£2,245 GBP
Retailer 13£2,265 GBP
Retailer 10£2,405 GBP
MOH London£3,199 GBP

34 data points across 20 retailers

17 retailers£1,492 GBP to £3,199 GBP

A
Cheapest Retailer
-
£1,492 GBP
$2,002 USD
Retailer 2
-
£1,531 GBP
$2,055 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
£1,593 GBP
$2,138 USD
View
A
Retailer 4
-
£1,613 GBP
$2,164 USD
View
B+
Retailer 5
-
£1,652 GBP
$2,217 USD
View
B+
Retailer 6
-
£1,692 GBP
$2,270 USD
View
Retailer 7
-
£1,800 GBP
View
Price last confirmed 33 days ago
B+
Retailer 8
-
£1,807 GBP
$2,425 USD
View
Retailer 9
-
£1,873 GBP
$2,514 USD
View
Price last confirmed 12 days ago
B+
Retailer 10
-
£1,908 GBP
$2,560 USD
View
B+
Retailer 11
-
£1,908 GBP
$2,560 USD
View
B+
Retailer 12
-
£1,937 GBP
View
B+
Retailer 13
-
£1,975 GBP
$2,650 USD
View
B+
Retailer 14
-
£2,220 GBP
ZAR 48,138 ZAR
View
Retailer 15
-
£2,245 GBP
A$4,635 AUD
View
Price last confirmed 25 days ago
B+
Retailer 16
-
£2,265 GBP
€2,895 EUR
View
Most Expensive
B
MOH London
C582D5354 · Oct 26
£3,199 GBP
View
16 more retailers have this diamond
Prices start from £1,492 GBPSave up to £1,707 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
£1,492 GBP