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Cushion|Natural|GIA

1.30ct D SI2 Cushion Natural Diamond

EX • D/SI2 • GIA 1555126487

Certificate GIA 1555126487

Diamond specifications and retailer prices

From £2,735 GBP
$3,665 USD
As of October 31, 2026
Save £2,976 GBP (52%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £5,712 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.3ct natural cushion diamond

This 1.3ct natural cushion sits in the one-and-a-quarter to one-and-a-half 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 1555126487. Listed at 24 retailers as of October 29, 2026, with prices from £2,735 to £5,712, a £2,976 spread on the same certified stone. MOH London lists it at £5,712. 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

1.30
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555126487
Dimensions7.30 × 5.62 × 3.94 mm
L/W Ratio1.30
Girdle conditionSlightly Thick to Very Thick
Culet sizeNone
Key to symbols
Feather, Cloud
Top View
7.30 mm5.62 mm1.30 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555126487
Side View
Table 65.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 70.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £5,712 GBP|Low: £2,346 GBP|High: £5,750 GBP|Avg: £3,580 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 5£2,735 GBP
Retailer 7£2,815 GBP
Retailer 8£2,982 GBP
Retailer 11£3,148 GBP
Retailer 9£3,232 GBP
Retailer 3£3,268 GBP
Retailer 12£3,423 GBP
Retailer 2£3,547 GBP
Retailer 10£3,570 GBP
Retailer 4£3,631 GBP
Retailer 6£3,794 GBP
Retailer 13£5,161 GBP
MOH London£5,712 GBP

45 data points across 13 retailers

24 retailers£2,735 GBP to £5,712 GBP

A
Cheapest Retailer
-
£2,735 GBP
$3,665 USD
A
Retailer 2
-
£2,787 GBP
$3,734 USD
View
A
Retailer 3
-
£2,815 GBP
$3,772 USD
View
A
Retailer 4
-
£2,844 GBP
$3,810 USD
View
A
Retailer 5
-
£2,850 GBP
$3,819 USD
View
A
Retailer 6
-
£2,951 GBP
A$6,082 AUD
View
A
Retailer 7
-
£2,982 GBP
$3,996 USD
View
Final sale: no returns
A
Retailer 8
-
£3,148 GBP
CA$5,858 CAD
View
A
Retailer 9
-
£3,215 GBP
$4,308 USD
View
A
Retailer 10
-
£3,232 GBP
$4,330 USD
View
A
Retailer 11
-
£3,268 GBP
$4,379 USD
View
Retailer 12
-
£3,320 GBP
$4,449 USD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
£3,332 GBP
A$6,868 AUD
View
B+
Retailer 14
-
£3,414 GBP
$4,574 USD
View
B+
Retailer 15
-
£3,423 GBP
$4,587 USD
View
B+
Retailer 16
-
£3,547 GBP
View
Retailer 17
-
£3,570 GBP
View
Price last confirmed 32 days ago
B+
Retailer 18
-
£3,631 GBP
$4,865 USD
View
B+
Retailer 19
-
£3,635 GBP
$4,870 USD
View
B+
Retailer 20
-
£3,635 GBP
$4,870 USD
View
B+
Retailer 21
-
£3,754 GBP
$5,030 USD
View
B+
Retailer 22
-
£3,794 GBP
€4,841 EUR
View
B
Retailer 23
-
£5,161 GBP
$6,915 USD
View
Most Expensive
B
MOH London
928F21819 · Oct 29
£5,712 GBP
View
23 more retailers have this diamond
Prices start from £2,735 GBPSave up to £2,976 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
1.30ct Cushion
£2,735 GBP