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Cushion|Natural|GIA

0.78ct E SI2 Cushion Natural Diamond

EX • E/SI2 • GIA 7551421543

Certificate GIA 7551421543

Diamond specifications and retailer prices

From $644 USD
As of November 6, 2026
Save $401 USD (38%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,045 USD 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 E 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 7551421543. Listed at 5 retailers as of November 6, 2026, with prices from $644 to $1,045, a $401 spread on the same certified stone. GemTrove lists it at $1,045. 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
E
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7551421543
Dimensions5.15 × 5.03 × 3.42 mm
L/W Ratio1.02
Culet sizeNone
Key to symbols
Cloud, Crystal
Top View
5.15 mm5.03 mm0.78 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7551421543
Side View
Table 59.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.0%

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: Nov 6
Current: $1,045 USD|Low: $574 USD|High: $1,045 USD|Avg: $767 USD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5$644 USD
Retailer 4$647 USD
Retailer 3$720 USD
Retailer 6$752 USD
Retailer 2$784 USD
GemTrove$1,045 USD

41 data points across 6 retailers

5 retailers$644 USD to $1,045 USD

A
Cheapest Retailer
-
$644 USD
A
Retailer 2
-
$647 USD
View
Final sale: no returns
A
Retailer 3
-
$720 USD
View
A
Retailer 4
-
$784 USD
View
Most Expensive
A
GemTrove
GT-N-00957440-98 · Nov 6
$1,045 USD
A$1,608 AUD
View
4 more retailers have this diamond
Prices start from $644 USDSave up to $401 USD

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
$644 USD