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Cushion|Natural|GIA

1.20ct D SI2 Cushion Natural Diamond

EX • D/SI2 • GIA 3555496812

Certificate GIA 3555496812

Diamond specifications and retailer prices

From £2,575 GBP
A$5,308 AUD
As of October 31, 2026
Save £2,869 GBP (53%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £5,444 GBP at MOH London · As of November 1, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3555496812. Listed at 17 retailers as of October 31, 2026, with prices from £2,575 to £5,444, a £2,869 spread on the same certified stone. MOH London lists it at £5,444. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3555496812
Dimensions7.07 × 5.38 × 3.76 mm
L/W Ratio1.31
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle, Indented Natural
Top View
7.07 mm5.38 mm1.20 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3555496812
Side View
Table 64.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.9%

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: Oct 31
Current: £5,444 GBP|Low: £2,054 GBP|High: £5,510 GBP|Avg: £3,310 GBP|-1.1%
MOH London
Retailer 2
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Retailer 22
November 1, 2026
Retailer 14£2,054 GBP
Retailer 10£2,106 GBP
Retailer 9£2,575 GBP
Retailer 6£2,725 GBP
Retailer 15£2,762 GBP
Retailer 5£2,769 GBP
Retailer 18£2,773 GBP
Retailer 7£3,085 GBP
Retailer 17£3,097 GBP
Retailer 12£3,133 GBP
Retailer 20£3,274 GBP
Retailer 3£3,288 GBP
Retailer 2£3,380 GBP
Retailer 13£3,399 GBP
Retailer 21£3,493 GBP
Retailer 22£3,493 GBP
Retailer 4£3,605 GBP
Retailer 8£3,865 GBP
Retailer 16£3,868 GBP
Retailer 11£4,573 GBP
Retailer 19£4,995 GBP
MOH London£5,444 GBP

30 data points across 22 retailers

17 retailers£2,575 GBP to £5,444 GBP

B+
Cheapest Retailer
-
£2,575 GBP
A$5,308 AUD
B+
Retailer 2
-
£2,725 GBP
$3,651 USD
View
B+
Retailer 3
-
£2,769 GBP
$3,710 USD
View
B+
Retailer 4
-
£2,773 GBP
$3,715 USD
View
B+
Retailer 5
-
£3,085 GBP
$4,134 USD
View
B+
Retailer 6
-
£3,097 GBP
$4,149 USD
View
B
Retailer 7
-
£3,274 GBP
$4,387 USD
View
B
Retailer 8
-
£3,288 GBP
$4,405 USD
View
B
Retailer 9
-
£3,380 GBP
View
B
Retailer 10
-
£3,399 GBP
View
B
Retailer 11
-
£3,493 GBP
$4,680 USD
View
B
Retailer 12
-
£3,493 GBP
$4,680 USD
View
B
Retailer 13
-
£3,605 GBP
$4,830 USD
View
Retailer 14
-
£3,865 GBP
$5,179 USD
View
Price last confirmed 19 days ago
B
Retailer 15
-
£3,868 GBP
€4,936 EUR
View
B
Retailer 16
-
£4,995 GBP
$6,692 USD
View
Most Expensive
B
MOH London
CB32A9FFB · Nov 1
£5,444 GBP
View
16 more retailers have this diamond
Prices start from £2,575 GBPSave up to £2,869 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
£2,575 GBP