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Cushion|Natural|GIA

1.21ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 1196084809

Certificate GIA 1196084809

Diamond specifications and retailer prices

From £2,931 GBP
As of November 6, 2026
Save £2,963 GBP (50%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £5,894 GBP at MOH London · As of November 4, 2026
View at MOH London

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 1196084809. Listed at 11 retailers as of November 4, 2026, with prices from £2,931 to £5,894, a £2,963 spread on the same certified stone. MOH London lists it at £5,894. 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
OriginNatural
Grading LabGIA
CertificateGIA 1196084809
Dimensions6.18 × 6.16 × 4.29 mm
L/W Ratio1.00
Top View
6.18 mm6.16 mm1.21 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1196084809
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NDepth 69.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £5,894 GBP|Low: £3,183 GBP|High: £5,980 GBP|Avg: £4,125 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7£3,183 GBP
Retailer 5£3,361 GBP
Retailer 3£3,653 GBP
Retailer 6£3,740 GBP
Retailer 2£4,176 GBP
Retailer 4£4,527 GBP
MOH London£5,894 GBP

45 data points across 7 retailers

11 retailers£2,931 GBP to £5,894 GBP

B
Cheapest Retailer
-
£2,931 GBP
B
Retailer 2
-
£3,183 GBP
View
B
Retailer 3
-
£3,186 GBP
View
Retailer 4
-
£3,361 GBP
View
Price last confirmed 9 days ago
B
Retailer 5
-
£3,558 GBP
View
B
Retailer 6
-
£3,653 GBP
View
Retailer 7
-
£3,740 GBP
View
Price last confirmed 29 days ago
Retailer 8
-
£4,096 GBP
View
Price last confirmed 15 days ago
B
Retailer 9
-
£4,176 GBP
View
B
Retailer 10
-
£4,527 GBP
View
Most Expensive
B
MOH London
664EE7D9E · Nov 4
£5,894 GBP
View
10 more retailers have this diamond
Prices start from £2,931 GBPSave up to £2,963 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
£2,931 GBP