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Cushion|Natural|GIA

0.91ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 2427122548

Certificate GIA 2427122548

Diamond specifications and retailer prices

From £1,764 GBP
$2,363 USD
As of November 2, 2026
Save £1,906 GBP (52%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,670 GBP at MOH London · As of November 1, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2427122548. Listed at 10 retailers as of November 1, 2026, with prices from £1,764 to £3,670, a £1,906 spread on the same certified stone. MOH London lists it at £3,670. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2427122548
Dimensions5.91 × 5.18 × 3.54 mm
L/W Ratio1.14
Top View
5.91 mm5.18 mm0.91 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2427122548
Side View
Table 64.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 68.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £3,670 GBP|Low: £1,626 GBP|High: £3,715 GBP|Avg: £2,418 GBP|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 7£1,764 GBP
Retailer 6£1,788 GBP
Retailer 4£1,799 GBP
Retailer 8£1,928 GBP
Retailer 3£2,346 GBP
Retailer 5£2,459 GBP
Retailer 10£2,549 GBP
Retailer 2£2,569 GBP
Retailer 9£3,162 GBP
MOH London£3,670 GBP

40 data points across 10 retailers

10 retailers£1,764 GBP to £3,670 GBP

B+
Cheapest Retailer
-
£1,764 GBP
$2,363 USD
B+
Retailer 2
-
£1,788 GBP
$2,396 USD
View
Final sale: no returns
B+
Retailer 3
-
£1,799 GBP
$2,410 USD
View
B+
Retailer 4
-
£1,928 GBP
$2,583 USD
View
B
Retailer 5
-
£2,346 GBP
View
Retailer 6
-
£2,459 GBP
A$5,069 AUD
View
Price last confirmed 25 days ago
Retailer 7
-
£2,549 GBP
$3,415 USD
View
Price last confirmed 18 days ago
B
Retailer 8
-
£2,569 GBP
€3,278 EUR
View
B
Retailer 9
-
£3,162 GBP
$4,237 USD
View
Most Expensive
B
MOH London
3757ED5BC · Nov 1
£3,670 GBP
View
9 more retailers have this diamond
Prices start from £1,764 GBPSave up to £1,906 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+
0.91ct Cushion
£1,764 GBP