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Cushion|Natural|GIA

0.78ct D SI2 Cushion Natural Diamond

EX • D/SI2 • GIA 2407297144

Certificate GIA 2407297144

Diamond specifications and retailer prices

From £1,121 GBP
As of November 1, 2026
Save £1,219 GBP (52%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £2,340 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 0.78ct natural cushion diamond

This 0.78ct natural cushion sits in the just-under-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 2407297144. Listed at 5 retailers as of November 1, 2026, with prices from £1,121 to £2,340, a £1,219 spread on the same certified stone. MOH London lists it at £2,340. 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

0.78
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2407297144
Dimensions5.41 × 4.92 × 3.34 mm
L/W Ratio1.10
Top View
5.41 mm4.92 mm0.78 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2407297144
Side View
Table 61.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 67.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £2,340 GBP|Low: £1,121 GBP|High: £2,375 GBP|Avg: £1,561 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4£1,121 GBP
Retailer 7£1,124 GBP
Retailer 5£1,211 GBP
Retailer 3£1,486 GBP
Retailer 2£1,701 GBP
Retailer 6£1,949 GBP
MOH London£2,340 GBP

42 data points across 7 retailers

5 retailers£1,121 GBP to £2,340 GBP

B+
Cheapest Retailer
-
£1,121 GBP
B+
Retailer 2
-
£1,124 GBP
View
B+
Retailer 3
-
£1,486 GBP
View
B
Retailer 4
-
£1,701 GBP
View
Most Expensive
B
MOH London
A7CB1282B · Nov 4
£2,340 GBP
View
4 more retailers have this diamond
Prices start from £1,121 GBPSave up to £1,219 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+
0.78ct Cushion
£1,121 GBP