Cushion|Natural|GIA

0.78ct E SI2 Cushion Natural Diamond

EX • E/SI2 • GIA 7551421543

Certificate GIA 7551421543

Diamond specifications and retailer prices

From HK$5,047 HKD
As of November 6, 2026
Save HK$3,144 HKD (38%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$8,192 HKD 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 HK$5,047 to HK$8,192, a HK$3,144 spread on the same certified stone. GemTrove lists it at HK$8,192. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$8,192 HKD|Low: HK$4,499 HKD|High: HK$8,192 HKD|Avg: HK$6,012 HKD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5HK$5,047 HKD
Retailer 4HK$5,071 HKD
Retailer 3HK$5,643 HKD
Retailer 6HK$5,894 HKD
Retailer 2HK$6,145 HKD
GemTroveHK$8,192 HKD

41 data points across 6 retailers

5 retailersHK$5,047 HKD to HK$8,192 HKD

A
Cheapest Retailer
-
HK$5,047 HKD
A
Retailer 2
-
HK$5,071 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$5,643 HKD
View
A
Retailer 4
-
HK$6,145 HKD
View
Most Expensive
A
GemTrove
GT-N-00957440-98 · Nov 6
HK$8,192 HKD
A$1,608 AUD
View
4 more retailers have this diamond
Prices start from HK$5,047 HKDSave up to HK$3,144 HKD

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
HK$5,047 HKD