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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 $2,202 CAD
SGD 2,126 SGD
As of October 29, 2026
Save $1,818 CAD (45%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,020 CAD at Helzberg Diamonds · As of October 28, 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 28, 2026, with prices from $2,202 to $4,020, a $1,818 spread on the same certified stone. Helzberg Diamonds lists it at $4,020. 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
Color
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: $4,020 CAD|Low: $2,244 CAD|High: $4,020 CAD|Avg: $2,826 CAD
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 29, 2026
Retailer 8$2,244 CAD
Retailer 7$2,244 CAD
Retailer 9$2,273 CAD
Retailer 10$2,309 CAD
Retailer 3$2,444 CAD
Retailer 2$2,512 CAD
Retailer 5$2,816 CAD
Retailer 12$2,970 CAD
Retailer 6$3,160 CAD
Retailer 11$3,421 CAD
Retailer 4$3,631 CAD
Helzberg Diamonds$4,020 CAD

3 data points across 12 retailers

13 retailers$2,202 CAD to $4,020 CAD

A
Cheapest Retailer
-
$2,202 CAD
SGD 2,126 SGD
A
Retailer 2
-
$2,244 CAD
$1,603 USD
View
A
Retailer 3
-
$2,244 CAD
$1,603 USD
View
A
Retailer 4
-
$2,273 CAD
$1,624 USD
View
A
Retailer 5
-
$2,309 CAD
$1,650 USD
View
A
Retailer 6
-
$2,444 CAD
SGD 2,360 SGD
View
A
Retailer 7
-
$2,512 CAD
£1,413 GBP
View
A
Retailer 8
-
$2,816 CAD
$2,012 USD
View
B+
Retailer 9
-
$2,970 CAD
$2,122 USD
View
B+
Retailer 10
-
$3,160 CAD
€2,150 EUR
View
B+
Retailer 11
-
$3,421 CAD
$2,444 USD
View
B
Retailer 12
-
$3,631 CAD
$2,595 USD
View
Most Expensive
B
Helzberg Diamonds
XZRHLMJNIIGGH · Oct 28
$4,020 CAD
$2,872 USD
View
12 more retailers have this diamond
Prices start from $2,202 CADSave up to $1,818 CAD

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
$2,202 CAD