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Cushion|Natural|GIA

1.21ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 1468337278

Certificate GIA 1468337278

Diamond specifications and retailer prices

From £1,892 GBP
As of November 5, 2026
Save £1,259 GBP (40%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £3,151 GBP at 77 Diamonds · As of November 4, 2026
View at 77 Diamonds

About this 1.21ct natural cushion diamond

This 1.21ct natural cushion sits in the classic one-carat band, graded H 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 1468337278. Listed at 5 retailers as of November 4, 2026, with prices from £1,892 to £3,151, a £1,259 spread on the same certified stone. 77 Diamonds lists it at £3,151. 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

1.21
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.14°
Pavilion angle38.23°
OriginNatural
Grading LabGIA
CertificateGIA 1468337278
Dimensions6.31 × 5.88 × 4.05 mm
L/W Ratio1.07
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
6.31 mm5.88 mm1.21 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1468337278
Side View
Table 63.0%Crown 37.14°Girdle: STK-VTKPavilion 38.23°Culet: NoneDepth 68.8%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: £3,151 GBP|Low: £1,892 GBP|High: £3,194 GBP|Avg: £2,389 GBP|+1.0%
77 Diamonds
Retailer 2
Retailer 3
November 4, 2026
Retailer 3£1,892 GBP
Retailer 2£2,105 GBP
77 Diamonds£3,151 GBP

34 data points across 3 retailers

5 retailers£1,892 GBP to £3,151 GBP

B+
Cheapest Retailer
-
£1,892 GBP
B+
Retailer 2
-
£2,072 GBP
View
B+
Retailer 3
-
£2,086 GBP
View
B+
Retailer 4
-
£2,105 GBP
View
Most Expensive
B
77 Diamonds
CUSZKHXR22WZ · Nov 4
£3,151 GBP
View
4 more retailers have this diamond
Prices start from £1,892 GBPSave up to £1,259 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+
1.21ct Cushion
£1,892 GBP