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Marquise|Natural|GIA

0.78ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 1563722001

Certificate GIA 1563722001

Diamond specifications and retailer prices

From HK$12,343 HKD
SGD 2,126 SGD
As of October 29, 2026
Save HK$10,190 HKD (45%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$22,533 HKD at Helzberg Diamonds · As of October 30, 2026
View at Helzberg Diamonds

About this 0.78ct natural marquise diamond

This 0.78ct natural marquise 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 1563722001. Listed at 13 retailers as of October 29, 2026, with prices from HK$12,343 to HK$22,533, a HK$10,190 spread on the same certified stone. Helzberg Diamonds lists it at HK$22,533. 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
FluorescenceNone
Crown angle37.87°
Pavilion angle38.32°
OriginNatural
Grading LabGIA
CertificateGIA 1563722001
Dimensions9.31 × 4.85 × 2.89 mm
L/W Ratio1.92
Culet sizeNone
Top View
9.31 mm4.85 mm0.78 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1563722001
Side View
Table 58.0%Crown 37.87°Girdle: MED-VTKPavilion 38.32°Culet: NoneDepth 59.7%

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 29
Current: HK$22,533 HKD|Low: HK$12,577 HKD|High: HK$22,533 HKD|Avg: HK$15,859 HKD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 8HK$12,577 HKD
Retailer 7HK$12,579 HKD
Retailer 9HK$12,741 HKD
Retailer 10HK$12,945 HKD
Retailer 3HK$13,702 HKD
Retailer 2HK$14,083 HKD
Retailer 5HK$15,786 HKD
Retailer 12HK$16,647 HKD
Retailer 6HK$17,712 HKD
Retailer 11HK$19,175 HKD
Retailer 4HK$20,356 HKD
Helzberg DiamondsHK$22,533 HKD

4 data points across 12 retailers

13 retailersHK$12,343 HKD to HK$22,533 HKD

A
Cheapest Retailer
-
HK$12,343 HKD
SGD 2,126 SGD
A
Retailer 2
-
HK$12,577 HKD
$1,603 USD
View
A
Retailer 3
-
HK$12,579 HKD
$1,603 USD
View
A
Retailer 4
-
HK$12,741 HKD
$1,624 USD
View
A
Retailer 5
-
HK$12,945 HKD
$1,650 USD
View
A
Retailer 6
-
HK$13,702 HKD
SGD 2,360 SGD
View
A
Retailer 7
-
HK$14,083 HKD
£1,413 GBP
View
A
Retailer 8
-
HK$15,786 HKD
$2,012 USD
View
B+
Retailer 9
-
HK$16,647 HKD
$2,122 USD
View
B+
Retailer 10
-
HK$17,712 HKD
€2,150 EUR
View
B+
Retailer 11
-
HK$19,175 HKD
$2,444 USD
View
B
Retailer 12
-
HK$20,356 HKD
$2,595 USD
View
Most Expensive
B
Helzberg Diamonds
XZRHLMJNIIGGH · Oct 30
HK$22,533 HKD
$2,872 USD
View
12 more retailers have this diamond
Prices start from HK$12,343 HKDSave up to HK$10,190 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 Marquise
HK$12,343 HKD