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Cushion|Natural|GIA

1.20ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 2547713629

Certificate GIA 2547713629

Diamond specifications and retailer prices

From £1,618 GBP
As of November 6, 2026
Save £1,922 GBP (54%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £3,540 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2547713629. Listed at 11 retailers as of November 4, 2026, with prices from £1,618 to £3,540, a £1,922 spread on the same certified stone. MOH London lists it at £3,540. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 2547713629
Dimensions5.90 × 5.84 × 3.84 mm
L/W Ratio1.01
Top View
5.90 mm5.84 mm1.20 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2547713629
Side View
Table 69.0%CrownGirdle: ThickPavilionCulet: NoneDepth 65.8%

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: £3,540 GBP|Low: £1,618 GBP|High: £3,588 GBP|Avg: £2,210 GBP|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2£1,618 GBP
Retailer 9£1,870 GBP
Retailer 10£1,881 GBP
Retailer 7£1,950 GBP
Retailer 3£1,966 GBP
Retailer 5£2,144 GBP
Retailer 8£2,199 GBP
Retailer 6£2,473 GBP
Retailer 4£2,516 GBP
MOH London£3,540 GBP

24 data points across 10 retailers

11 retailers£1,618 GBP to £3,540 GBP

A
Cheapest Retailer
-
£1,618 GBP
A
Retailer 2
-
£1,870 GBP
View
Final sale: no returns
A
Retailer 3
-
£1,881 GBP
View
A
Retailer 4
-
£1,922 GBP
View
A
Retailer 5
-
£1,950 GBP
View
A
Retailer 6
-
£1,966 GBP
View
B+
Retailer 7
-
£2,144 GBP
View
B+
Retailer 8
-
£2,199 GBP
View
B+
Retailer 9
-
£2,473 GBP
View
B+
Retailer 10
-
£2,516 GBP
View
Most Expensive
B
MOH London
1F3E3F998 · Nov 4
£3,540 GBP
View
10 more retailers have this diamond
Prices start from £1,618 GBPSave up to £1,922 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
£1,618 GBP