Cushion|Natural|GIA

0.78ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 7548991202

Certificate GIA 7548991202

Diamond specifications and retailer prices

From HK$5,665 HKD
$722 USD
As of October 31, 2026
Save HK$3,352 HKD (37%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$9,016 HKD at GemTrove · As of November 1, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7548991202. Listed at 9 retailers as of October 31, 2026, with prices from HK$5,665 to HK$9,016, a HK$3,352 spread on the same certified stone. GemTrove lists it at HK$9,016. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7548991202
Dimensions5.14 × 5.11 × 3.43 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal
Top View
5.14 mm5.11 mm0.78 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 7548991202
Side View
Table 62.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 67.1%

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: Oct 31
Current: HK$9,016 HKD|Low: HK$5,202 HKD|High: HK$9,016 HKD|Avg: HK$7,440 HKD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 8HK$5,665 HKD
Retailer 5HK$6,826 HKD
Retailer 7HK$7,031 HKD
Retailer 6HK$7,077 HKD
Retailer 2HK$7,080 HKD
Retailer 3HK$7,610 HKD
Retailer 9HK$7,610 HKD
Retailer 4HK$7,846 HKD
GemTroveHK$9,016 HKD

35 data points across 9 retailers

9 retailersHK$5,665 HKD to HK$9,016 HKD

A
Cheapest Retailer
-
HK$5,665 HKD
$722 USD
Final sale: no returns
A
Retailer 2
-
HK$6,826 HKD
$870 USD
View
A
Retailer 3
-
HK$7,031 HKD
SGD 1,211 SGD
View
A
Retailer 4
-
HK$7,077 HKD
$902 USD
View
A
Retailer 5
-
HK$7,080 HKD
£711 GBP
View
A
Retailer 6
-
HK$7,610 HKD
$970 USD
View
A
Retailer 7
-
HK$7,610 HKD
$970 USD
View
A
Retailer 8
-
HK$7,846 HKD
$1,000 USD
View
Most Expensive
A
GemTrove
GT-N-00957435-98 · Nov 1
HK$9,016 HKD
A$1,768 AUD
View
8 more retailers have this diamond
Prices start from HK$5,665 HKDSave up to HK$3,352 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$5,665 HKD