CaratHunter
Plans
Cushion|Natural|GIA

1.20ct I SI2 Cushion Natural Diamond

ID • I/SI2 • GIA 5553339136

Certificate GIA 5553339136

Diamond specifications and retailer prices

From £1,204 GBP
As of November 6, 2026
Save £1,599 GBP (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,803 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 5553339136. Listed at 13 retailers as of November 4, 2026, with prices from £1,204 to £2,803, a £1,599 spread on the same certified stone. MOH London lists it at £2,803. 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
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5553339136
Dimensions6.89 × 5.30 × 3.61 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
6.89 mm5.30 mm1.20 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5553339136
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.1%

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: £2,803 GBP|Low: £1,204 GBP|High: £2,841 GBP|Avg: £1,731 GBP|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7£1,204 GBP
Retailer 2£1,260 GBP
Retailer 6£1,476 GBP
Retailer 9£1,480 GBP
Retailer 8£1,604 GBP
Retailer 4£1,673 GBP
Retailer 5£1,742 GBP
Retailer 3£2,177 GBP
MOH London£2,803 GBP

36 data points across 9 retailers

13 retailers£1,204 GBP to £2,803 GBP

A
Cheapest Retailer
-
£1,204 GBP
A
Retailer 2
-
£1,260 GBP
View
A
Retailer 3
-
£1,476 GBP
View
A
Retailer 4
-
£1,480 GBP
View
Final sale: no returns
A
Retailer 5
-
£1,502 GBP
View
Retailer 6
-
£1,604 GBP
View
Price last confirmed 9 days ago
B+
Retailer 7
-
£1,630 GBP
View
B+
Retailer 8
-
£1,673 GBP
View
B+
Retailer 9
-
£1,681 GBP
View
B+
Retailer 10
-
£1,707 GBP
View
B+
Retailer 11
-
£1,742 GBP
View
B+
Retailer 12
-
£2,177 GBP
View
Most Expensive
B
MOH London
760D01C48 · Nov 4
£2,803 GBP
View
12 more retailers have this diamond
Prices start from £1,204 GBPSave up to £1,599 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
£1,204 GBP