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Cushion|Natural|GIA

0.78ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 1568091837

Certificate GIA 1568091837

Diamond specifications and retailer prices

From HK$5,618 HKD
$716 USD
As of October 28, 2026
Save HK$2,787 HKD (33%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$8,405 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 1568091837. Listed at 9 retailers as of October 28, 2026, with prices from HK$5,618 to HK$8,405, a HK$2,787 spread on the same certified stone. GemTrove lists it at HK$8,405. 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
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1568091837
Dimensions5.09 × 5.07 × 3.45 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal
Top View
5.09 mm5.07 mm0.78 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 1568091837
Side View
Table 62.0%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$8,405 HKD|Low: HK$4,920 HKD|High: HK$8,405 HKD|Avg: HK$7,169 HKD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 7HK$5,618 HKD
Retailer 3HK$6,764 HKD
Retailer 6HK$6,950 HKD
Retailer 2HK$6,991 HKD
Retailer 5HK$7,007 HKD
Retailer 4HK$7,533 HKD
Retailer 8HK$7,533 HKD
Retailer 9HK$7,846 HKD
GemTroveHK$8,405 HKD

32 data points across 9 retailers

9 retailersHK$5,618 HKD to HK$8,405 HKD

A
Cheapest Retailer
-
HK$5,618 HKD
$716 USD
Final sale: no returns
A
Retailer 2
-
HK$6,764 HKD
$862 USD
View
A
Retailer 3
-
HK$6,950 HKD
SGD 1,197 SGD
View
A
Retailer 4
-
HK$6,991 HKD
£702 GBP
View
A
Retailer 5
-
HK$7,007 HKD
$893 USD
View
A
Retailer 6
-
HK$7,533 HKD
$960 USD
View
A
Retailer 7
-
HK$7,533 HKD
$960 USD
View
A
Retailer 8
-
HK$7,846 HKD
$1,000 USD
View
Most Expensive
A
GemTrove
GT-N-01244915-98 · Oct 29
HK$8,405 HKD
A$1,648 AUD
View
8 more retailers have this diamond
Prices start from HK$5,618 HKDSave up to HK$2,787 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$5,618 HKD