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Cushion|Natural|GIA

0.78ct D SI2 Cushion Natural Diamond

EX • D/SI2 • GIA 3545062726

Certificate GIA 3545062726

Diamond specifications and retailer prices

From £488 GBP
As of November 6, 2026
Save £298 GBP (38%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £786 GBP at GemTrove · As of November 6, 2026
View at GemTrove

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 3545062726. Listed at 6 retailers as of November 6, 2026, with prices from £488 to £786, a £298 spread on the same certified stone. GemTrove lists it at £786. 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 3545062726
Dimensions5.21 × 5.06 × 3.38 mm
L/W Ratio1.03
Top View
5.21 mm5.06 mm0.78 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3545062726
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 66.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £786 GBP|Low: £448 GBP|High: £786 GBP|Avg: £584 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 5£488 GBP
Retailer 4£489 GBP
Retailer 3£546 GBP
Retailer 6£563 GBP
Retailer 2£570 GBP
GemTrove£786 GBP

40 data points across 6 retailers

6 retailers£488 GBP to £786 GBP

A
Cheapest Retailer
-
£488 GBP
A
Retailer 2
-
£489 GBP
View
Final sale: no returns
A
Retailer 3
-
£546 GBP
View
Retailer 4
-
£563 GBP
View
Price last confirmed 22 days ago
A
Retailer 5
-
£570 GBP
View
Most Expensive
A
GemTrove
GT-N-00957427-98 · Nov 6
£786 GBP
A$1,618 AUD
View
5 more retailers have this diamond
Prices start from £488 GBPSave up to £298 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
0.78ct Cushion
£488 GBP