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Cushion|Natural|GIA

1.20ct H SI1 Cushion Natural Diamond

VG • H/SI1 • GIA 6552358236

Certificate GIA 6552358236

Diamond specifications and retailer prices

From £1,463 GBP
As of November 6, 2026
Save £1,944 GBP (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £4,199 GBP at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.2ct natural cushion diamond

This 1.2ct natural cushion sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6552358236. Listed at 19 retailers as of November 4, 2026, with a 133% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
H
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552358236
Dimensions6.68 × 5.27 × 3.73 mm
L/W Ratio1.27
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Indented Natural, Crystal, Needle
Top View
6.68 mm5.27 mm1.20 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552358236
Side View
Table 69.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 70.8%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: £4,199 GBP|Low: £1,463 GBP|High: £4,213 GBP|Avg: £2,383 GBP|-0.3%
Queensmith
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
November 6, 2026
Retailer 4£1,463 GBP
Retailer 2£1,534 GBP
Retailer 12£1,730 GBP
Retailer 6£1,799 GBP
Retailer 13£1,820 GBP
Retailer 7£1,892 GBP
Retailer 9£2,039 GBP
Retailer 10£2,051 GBP
Retailer 5£2,055 GBP
Retailer 3£2,122 GBP
Retailer 11£2,380 GBP
Retailer 8£2,421 GBP
Retailer 14£3,407 GBP
Queensmith£4,199 GBP

23 data points across 14 retailers

19 retailers£1,463 GBP to £3,407 GBP

A
Cheapest Retailer
-
£1,463 GBP
A
Retailer 2
-
£1,534 GBP
View
B+
Retailer 3
-
£1,730 GBP
View
B+
Retailer 4
-
£1,799 GBP
View
Final sale: no returns
B+
Retailer 5
-
£1,820 GBP
View
B+
Retailer 6
-
£1,837 GBP
View
B+
Retailer 7
-
£1,838 GBP
View
B+
Retailer 8
-
£1,892 GBP
View
Retailer 9
-
£1,961 GBP
View
Price last confirmed 22 days ago
B+
Retailer 10
-
£1,980 GBP
View
B+
Retailer 11
-
£2,039 GBP
View
B+
Retailer 12
-
£2,051 GBP
View
B+
Retailer 13
-
£2,055 GBP
View
B+
Retailer 14
-
£2,122 GBP
View
Retailer 15
-
£2,211 GBP
View
Price last confirmed 31 days ago
B+
Retailer 16
-
£2,380 GBP
View
B+
Retailer 17
-
£2,421 GBP
View
B
Retailer 18
-
£3,407 GBP
View
Most Expensive
Queensmith
6552358236 · Oct 28
£4,199 GBP
View
Price last confirmed 9 days ago
18 more retailers have this diamond
Prices start from £1,463 GBPSave up to £1,944 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
1.20ct Cushion
£1,463 GBP