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Cushion|Natural|GIA

1.27ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 2161130818

Certificate GIA 2161130818

Diamond specifications and retailer prices

From £3,769 GBP
As of November 5, 2026
Save £1,266 GBP (25%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £5,036 GBP at Jared · As of November 6, 2026
View at Jared

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 2161130818. Listed at 6 retailers as of November 5, 2026, with prices from £3,769 to £5,036, a £1,266 spread on the same certified stone. Jared lists it at £5,036. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2161130818
Dimensions6.53 × 5.92 × 3.81 mm
L/W Ratio1.10
Culet sizeNone
Top View
6.53 mm5.92 mm1.27 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2161130818
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 64.4%

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 5
Current: £5,036 GBP|Low: £3,497 GBP|High: £5,062 GBP|Avg: £4,558 GBP
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 6£3,769 GBP
Retailer 3£3,847 GBP
Retailer 4£4,871 GBP
Retailer 5£4,871 GBP
Retailer 2£4,979 GBP
Jared£5,036 GBP

37 data points across 6 retailers

6 retailers£3,769 GBP to £5,036 GBP

B+
Cheapest Retailer
-
£3,769 GBP
B+
Retailer 2
-
£3,847 GBP
View
Final sale: no returns
B
Retailer 3
-
£4,871 GBP
View
B
Retailer 4
-
£4,871 GBP
View
B
Retailer 5
-
£4,979 GBP
View
Most Expensive
B
Jared
147088718 · Nov 6
£5,036 GBP
$6,740 USD
View
5 more retailers have this diamond
Prices start from £3,769 GBPSave up to £1,266 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+
1.27ct Cushion
£3,769 GBP