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Cushion|Natural|GIA

1.20ct J SI2 Cushion Natural Diamond

ID • J/SI2 • GIA 7551079794

Certificate GIA 7551079794

Diamond specifications and retailer prices

From £1,252 GBP
As of November 6, 2026
Save £1,641 GBP (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,893 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 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 7551079794. Listed at 14 retailers as of November 4, 2026, with prices from £1,252 to £2,893, a £1,641 spread on the same certified stone. MOH London lists it at £2,893. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7551079794
Dimensions7.96 × 5.11 × 3.55 mm
L/W Ratio1.56
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Needle
Top View
7.96 mm5.11 mm1.20 ctJ / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7551079794
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.4%

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: £2,893 GBP|Low: £1,252 GBP|High: £3,060 GBP|Avg: £1,775 GBP|-5.5%
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 11£1,252 GBP
Retailer 2£1,310 GBP
Retailer 8£1,514 GBP
Retailer 12£1,528 GBP
Retailer 4£1,597 GBP
Retailer 3£1,681 GBP
Retailer 10£1,741 GBP
Retailer 6£1,745 GBP
Retailer 9£1,759 GBP
Retailer 7£1,799 GBP
Retailer 5£2,055 GBP
MOH London£2,893 GBP

29 data points across 12 retailers

14 retailers£1,252 GBP to £2,893 GBP

A
Cheapest Retailer
-
£1,252 GBP
A
Retailer 2
-
£1,310 GBP
View
B+
Retailer 3
-
£1,514 GBP
View
B+
Retailer 4
-
£1,528 GBP
View
Final sale: no returns
B+
Retailer 5
-
£1,597 GBP
View
B+
Retailer 6
-
£1,623 GBP
View
Retailer 7
-
£1,681 GBP
View
Price last confirmed 9 days ago
B+
Retailer 8
-
£1,741 GBP
View
B
Retailer 9
-
£1,745 GBP
View
B
Retailer 10
-
£1,759 GBP
View
B+
Retailer 11
-
£1,799 GBP
View
B+
Retailer 12
-
£1,820 GBP
View
B
Retailer 13
-
£2,055 GBP
View
Most Expensive
B
MOH London
A1769C47C · Nov 4
£2,893 GBP
View
13 more retailers have this diamond
Prices start from £1,252 GBPSave up to £1,641 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
£1,252 GBP