CaratHunter
Plans
Cushion|Natural|GIA

1.20ct I SI2 Cushion Natural Diamond

ID • I/SI2 • GIA 1549138062

Certificate GIA 1549138062

Diamond specifications and retailer prices

From £1,511 GBP
As of November 6, 2026
Save £1,964 GBP (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £3,475 GBP at MOH London · As of November 4, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1549138062. Listed at 14 retailers as of November 4, 2026, with prices from £1,511 to £3,475, a £1,964 spread on the same certified stone. MOH London lists it at £3,475. 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

1.20
Carat
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1549138062
Dimensions7.70 × 5.29 × 3.59 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Indented Natural, Needle, Extra Facet
Top View
7.70 mm5.29 mm1.20 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1549138062
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 67.9%

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: £3,475 GBP|Low: £1,511 GBP|High: £3,558 GBP|Avg: £2,094 GBP|-2.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 10£1,511 GBP
Retailer 2£1,570 GBP
Retailer 12£1,835 GBP
Retailer 8£1,843 GBP
Retailer 4£1,865 GBP
Retailer 3£2,007 GBP
Retailer 11£2,093 GBP
Retailer 6£2,102 GBP
Retailer 7£2,104 GBP
Retailer 9£2,159 GBP
Retailer 5£2,469 GBP
MOH London£3,475 GBP

32 data points across 12 retailers

14 retailers£1,511 GBP to £3,475 GBP

A
Cheapest Retailer
-
£1,511 GBP
A
Retailer 2
-
£1,570 GBP
View
B+
Retailer 3
-
£1,835 GBP
View
Final sale: no returns
B+
Retailer 4
-
£1,843 GBP
View
B+
Retailer 5
-
£1,865 GBP
View
B+
Retailer 6
-
£1,957 GBP
View
Retailer 7
-
£2,007 GBP
View
Price last confirmed 22 days ago
B+
Retailer 8
-
£2,087 GBP
View
B+
Retailer 9
-
£2,093 GBP
View
B+
Retailer 10
-
£2,102 GBP
View
B+
Retailer 11
-
£2,104 GBP
View
B+
Retailer 12
-
£2,159 GBP
View
B+
Retailer 13
-
£2,469 GBP
View
Most Expensive
B
MOH London
81636CE6A · Nov 4
£3,475 GBP
View
13 more retailers have this diamond
Prices start from £1,511 GBPSave up to £1,964 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
£1,511 GBP