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Cushion|Natural|GIA

0.78ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 5553059681

Certificate GIA 5553059681

Diamond specifications and retailer prices

From HK$5,430 HKD
$692 USD
As of October 28, 2026
Save HK$3,179 HKD (37%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$8,609 HKD at GemTrove · As of October 29, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5553059681. Listed at 9 retailers as of October 28, 2026, with prices from HK$5,430 to HK$8,609, a HK$3,179 spread on the same certified stone. GemTrove lists it at HK$8,609. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5553059681
Dimensions5.17 × 5.05 × 3.43 mm
L/W Ratio1.02
Top View
5.17 mm5.05 mm0.78 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5553059681
Side View
Table 60.0%CrownGirdle: STK-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: Oct 28
Current: HK$8,609 HKD|Low: HK$4,802 HKD|High: HK$8,609 HKD|Avg: HK$6,872 HKD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 10HK$5,150 HKD
Retailer 8HK$5,430 HKD
Retailer 5HK$6,536 HKD
Retailer 7HK$6,718 HKD
Retailer 6HK$6,787 HKD
Retailer 2HK$7,060 HKD
Retailer 3HK$7,297 HKD
Retailer 9HK$7,297 HKD
Retailer 4HK$7,533 HKD
GemTroveHK$8,609 HKD

32 data points across 10 retailers

9 retailersHK$5,430 HKD to HK$8,609 HKD

A
Cheapest Retailer
-
HK$5,430 HKD
$692 USD
Final sale: no returns
A
Retailer 2
-
HK$6,536 HKD
$833 USD
View
A
Retailer 3
-
HK$6,718 HKD
SGD 1,157 SGD
View
A
Retailer 4
-
HK$6,787 HKD
$865 USD
View
A
Retailer 5
-
HK$7,060 HKD
£708 GBP
View
A
Retailer 6
-
HK$7,297 HKD
$930 USD
View
A
Retailer 7
-
HK$7,297 HKD
$930 USD
View
A
Retailer 8
-
HK$7,533 HKD
$960 USD
View
Most Expensive
A
GemTrove
GT-N-00957436-98 · Oct 29
HK$8,609 HKD
A$1,688 AUD
View
8 more retailers have this diamond
Prices start from HK$5,430 HKDSave up to HK$3,179 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$5,430 HKD