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Cushion|Natural|GIA

1.30ct D SI1 Cushion Natural Diamond

ID • D/SI1 • GIA 2424149933

Certificate GIA 2424149933

Diamond specifications and retailer prices

From £2,905 GBP
As of November 5, 2026
Save £2,828 GBP (49%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £5,733 GBP at MOH London · As of November 4, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2424149933. Listed at 9 retailers as of November 4, 2026, with prices from £2,905 to £5,733, a £2,828 spread on the same certified stone. MOH London lists it at £5,733. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle39.17°
Pavilion angle33.49°
OriginNatural
Grading LabGIA
CertificateGIA 2424149933
Dimensions6.00 × 5.76 × 4.25 mm
L/W Ratio1.04
Top View
6.00 mm5.76 mm1.30 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2424149933
Side View
Table 58.0%Crown 39.17°Girdle: ThickPavilion 33.49°Culet: NoneDepth 73.8%

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 5
Current: £5,733 GBP|Low: £2,796 GBP|High: £5,882 GBP|Avg: £3,752 GBP|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10£2,876 GBP
Retailer 4£2,905 GBP
Retailer 7£3,018 GBP
Retailer 9£3,494 GBP
Retailer 3£3,591 GBP
Retailer 5£3,713 GBP
Retailer 8£3,713 GBP
Retailer 6£3,833 GBP
Retailer 2£4,061 GBP
MOH London£5,733 GBP

45 data points across 10 retailers

9 retailers£2,905 GBP to £5,733 GBP

A
Cheapest Retailer
-
£2,905 GBP
A
Retailer 2
-
£3,018 GBP
View
Final sale: no returns
B+
Retailer 3
-
£3,494 GBP
View
B+
Retailer 4
-
£3,591 GBP
View
B+
Retailer 5
-
£3,713 GBP
View
B+
Retailer 6
-
£3,713 GBP
View
B+
Retailer 7
-
£3,833 GBP
View
B+
Retailer 8
-
£4,061 GBP
View
Most Expensive
B
MOH London
AF242E4A1 · Nov 4
£5,733 GBP
View
8 more retailers have this diamond
Prices start from £2,905 GBPSave up to £2,828 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
£2,905 GBP