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Cushion|Natural|GIA

1.20ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 1445291444

Certificate GIA 1445291444

Diamond specifications and retailer prices

From £1,966 GBP
As of November 4, 2026
Save £2,319 GBP (54%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £4,285 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 J 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 1445291444. Listed at 16 retailers as of November 2, 2026, with prices from £1,966 to £4,285, a £2,319 spread on the same certified stone. MOH London lists it at £4,285. 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
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
Crown angle37.24°
Pavilion angle35.25°
OriginNatural
Grading LabGIA
CertificateGIA 1445291444
Dimensions7.12 × 5.56 × 3.81 mm
L/W Ratio1.28
Key to symbols
Twinning Wisp
Top View
7.12 mm5.56 mm1.20 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 1445291444
Side View
Table 55.0%Crown 37.24°Girdle: MED-THKPavilion 35.25°Culet: NoneDepth 68.5%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: £4,285 GBP|Low: £1,849 GBP|High: £4,336 GBP|Avg: £2,611 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5£2,010 GBP
Retailer 7£2,078 GBP
Retailer 2£2,121 GBP
Retailer 6£2,180 GBP
Retailer 9£2,442 GBP
Retailer 8£2,468 GBP
Retailer 4£2,652 GBP
Retailer 3£2,953 GBP
MOH London£4,285 GBP

44 data points across 9 retailers

16 retailers£1,966 GBP to £4,285 GBP

B
Cheapest Retailer
-
£1,966 GBP
B
Retailer 2
-
£2,010 GBP
View
B
Retailer 3
-
£2,053 GBP
View
B
Retailer 4
-
£2,078 GBP
View
B
Retailer 5
-
£2,121 GBP
View
Final sale: no returns
B
Retailer 6
-
£2,180 GBP
View
B
Retailer 7
-
£2,442 GBP
View
B
Retailer 8
-
£2,468 GBP
View
B
Retailer 9
-
£2,566 GBP
View
B
Retailer 10
-
£2,600 GBP
View
B
Retailer 11
-
£2,600 GBP
View
B
Retailer 12
-
£2,652 GBP
View
B
Retailer 13
-
£2,690 GBP
View
Retailer 14
-
£2,903 GBP
View
Price last confirmed 15 days ago
B
Retailer 15
-
£2,953 GBP
View
Most Expensive
B
MOH London
9D3E1DECF · Nov 2
£4,285 GBP
View
15 more retailers have this diamond
Prices start from £1,966 GBPSave up to £2,319 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
£1,966 GBP