Cushion|Natural|GIA

1.20ct I VS1 Cushion Natural Diamond

EX • I/VS1 • GIA 6435465425

Certificate GIA 6435465425

Diamond specifications and retailer prices

From £2,876 GBP
As of November 4, 2026
Save £3,166 GBP (52%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £6,042 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.2ct natural cushion diamond

This 1.2ct natural cushion sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6435465425. Listed at 22 retailers as of November 2, 2026, with prices from £2,876 to £6,042, a £3,166 spread on the same certified stone. MOH London lists it at £6,042. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
I
Colour
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.39°
Pavilion angle38.15°
OriginNatural
Grading LabGIA
CertificateGIA 6435465425
Dimensions6.99 × 5.72 × 3.95 mm
L/W Ratio1.22
Top View
6.99 mm5.72 mm1.20 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6435465425
Side View
Table 63.0%Crown 39.39°Girdle: THN-STKPavilion 38.15°Culet: NoneDepth 69.1%

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 4
Current: £6,042 GBP|Low: £2,746 GBP|High: £6,115 GBP|Avg: £3,847 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 10£2,876 GBP
Retailer 5£2,944 GBP
Retailer 7£2,998 GBP
Retailer 8£3,172 GBP
Retailer 6£3,228 GBP
Retailer 2£3,752 GBP
Retailer 9£3,824 GBP
Retailer 3£4,276 GBP
Retailer 4£4,663 GBP
MOH London£6,042 GBP

45 data points across 10 retailers

22 retailers£2,876 GBP to £6,042 GBP

B+
Cheapest Retailer
-
£2,876 GBP
Retailer 2
-
£2,944 GBP
View
Price last confirmed 8 days ago
B+
Retailer 3
-
£2,964 GBP
View
B+
Retailer 4
-
£2,998 GBP
View
B+
Retailer 5
-
£3,033 GBP
View
B
Retailer 6
-
£3,172 GBP
View
Final sale: no returns
B
Retailer 7
-
£3,228 GBP
View
B
Retailer 8
-
£3,248 GBP
View
B
Retailer 9
-
£3,412 GBP
View
B
Retailer 10
-
£3,538 GBP
View
B
Retailer 11
-
£3,581 GBP
View
B
Retailer 12
-
£3,752 GBP
View
B
Retailer 13
-
£3,807 GBP
View
B
Retailer 14
-
£3,807 GBP
View
Retailer 15
-
£3,824 GBP
View
Price last confirmed 27 days ago
B
Retailer 16
-
£3,927 GBP
View
B
Retailer 17
-
£3,933 GBP
View
Retailer 18
-
£4,188 GBP
View
Price last confirmed 13 days ago
B
Retailer 19
-
£4,276 GBP
View
B
Retailer 20
-
£4,402 GBP
View
B
Retailer 21
-
£4,663 GBP
View
Most Expensive
B
MOH London
56FFF2A67 · Nov 2
£6,042 GBP
View
21 more retailers have this diamond
Prices start from £2,876 GBPSave up to £3,166 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+
1.20ct Cushion
£2,876 GBP