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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 $1,573 USD
SGD 2,126 SGD
As of October 29, 2026
Save $1,299 USD (45%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,872 USD 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 $1,573 to $2,872, a $1,299 spread on the same certified stone. Helzberg Diamonds lists it at $2,872. 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: $2,872 USD|Low: $1,603 USD|High: $2,872 USD|Avg: $2,019 USD
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$1,603 USD
Retailer 7$1,603 USD
Retailer 9$1,624 USD
Retailer 10$1,650 USD
Retailer 3$1,746 USD
Retailer 2$1,795 USD
Retailer 5$2,012 USD
Retailer 12$2,122 USD
Retailer 6$2,258 USD
Retailer 11$2,444 USD
Retailer 4$2,595 USD
Helzberg Diamonds$2,872 USD

3 data points across 12 retailers

13 retailers$1,573 USD to $2,872 USD

A
Cheapest Retailer
-
$1,573 USD
SGD 2,126 SGD
A
Retailer 2
-
$1,603 USD
View
A
Retailer 3
-
$1,603 USD
View
A
Retailer 4
-
$1,624 USD
View
A
Retailer 5
-
$1,650 USD
View
A
Retailer 6
-
$1,746 USD
SGD 2,360 SGD
View
A
Retailer 7
-
$1,795 USD
£1,413 GBP
View
A
Retailer 8
-
$2,012 USD
View
B+
Retailer 9
-
$2,122 USD
View
B+
Retailer 10
-
$2,258 USD
€2,150 EUR
View
B+
Retailer 11
-
$2,444 USD
View
B
Retailer 12
-
$2,595 USD
View
Most Expensive
B
Helzberg Diamonds
XZRHLMJNIIGGH · Oct 28
$2,872 USD
View
12 more retailers have this diamond
Prices start from $1,573 USDSave up to $1,299 USD

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
$1,573 USD