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Cushion|Natural|GIA

1.27ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 2557062576

Certificate GIA 2557062576

Diamond specifications and retailer prices

From £1,558 GBP
As of November 6, 2026
Save £1,966 GBP (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £3,525 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.27ct natural cushion diamond

This 1.27ct natural cushion sits in the one-and-a-quarter to one-and-a-half 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 2557062576. Listed at 19 retailers as of November 4, 2026, with prices from £1,558 to £3,525, a £1,966 spread on the same certified stone. MOH London lists it at £3,525. 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

1.27
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557062576
Dimensions6.21 × 6.19 × 4.14 mm
L/W Ratio1.00
Top View
6.21 mm6.19 mm1.27 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557062576
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 66.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £3,525 GBP|Low: £1,539 GBP|High: £3,669 GBP|Avg: £2,104 GBP|-3.9%
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
November 6, 2026
Retailer 6£1,558 GBP
Retailer 3£1,581 GBP
Retailer 8£1,686 GBP
Retailer 15£1,715 GBP
Retailer 2£1,812 GBP
Retailer 17£1,819 GBP
Retailer 9£1,832 GBP
Retailer 14£1,846 GBP
Retailer 7£1,937 GBP
Retailer 4£1,950 GBP
Retailer 13£1,960 GBP
Retailer 5£2,072 GBP
Retailer 11£2,134 GBP
Retailer 12£2,462 GBP
Retailer 10£2,504 GBP
Retailer 16£3,192 GBP
MOH London£3,525 GBP

23 data points across 17 retailers

19 retailers£1,558 GBP to £3,525 GBP

A
Cheapest Retailer
-
£1,558 GBP
A
Retailer 2
-
£1,581 GBP
View
A
Retailer 3
-
£1,686 GBP
View
Final sale: no returns
A
Retailer 4
-
£1,715 GBP
View
A
Retailer 5
-
£1,812 GBP
View
A
Retailer 6
-
£1,819 GBP
View
A
Retailer 7
-
£1,832 GBP
View
A
Retailer 8
-
£1,846 GBP
View
A
Retailer 9
-
£1,937 GBP
View
A
Retailer 10
-
£1,950 GBP
View
A
Retailer 11
-
£1,960 GBP
View
A
Retailer 12
-
£2,072 GBP
View
A
Retailer 13
-
£2,134 GBP
View
A
Retailer 14
-
£2,170 GBP
View
Retailer 15
-
£2,367 GBP
View
Price last confirmed 31 days ago
A
Retailer 16
-
£2,462 GBP
View
A
Retailer 17
-
£2,504 GBP
View
B+
Retailer 18
-
£3,192 GBP
View
Most Expensive
B
MOH London
329046C70 · Nov 4
£3,525 GBP
View
18 more retailers have this diamond
Prices start from £1,558 GBPSave up to £1,966 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
1.27ct Cushion
£1,558 GBP