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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 $2,791 NZD
SGD 2,126 SGD
As of October 29, 2026
Save $2,304 NZD (45%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,096 NZD 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 $2,791 to $5,096, a $2,304 spread on the same certified stone. Helzberg Diamonds lists it at $5,096. 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: $5,096 NZD|Low: $2,844 NZD|High: $5,096 NZD|Avg: $3,586 NZD
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 8$2,844 NZD
Retailer 7$2,845 NZD
Retailer 9$2,881 NZD
Retailer 10$2,928 NZD
Retailer 3$3,099 NZD
Retailer 2$3,185 NZD
Retailer 5$3,570 NZD
Retailer 12$3,765 NZD
Retailer 6$4,005 NZD
Retailer 11$4,336 NZD
Retailer 4$4,604 NZD
Helzberg Diamonds$5,096 NZD

4 data points across 12 retailers

13 retailers$2,791 NZD to $5,096 NZD

A
Cheapest Retailer
-
$2,791 NZD
SGD 2,126 SGD
A
Retailer 2
-
$2,844 NZD
$1,603 USD
View
A
Retailer 3
-
$2,845 NZD
$1,603 USD
View
A
Retailer 4
-
$2,881 NZD
$1,624 USD
View
A
Retailer 5
-
$2,928 NZD
$1,650 USD
View
A
Retailer 6
-
$3,099 NZD
SGD 2,360 SGD
View
A
Retailer 7
-
$3,185 NZD
£1,413 GBP
View
A
Retailer 8
-
$3,570 NZD
$2,012 USD
View
B+
Retailer 9
-
$3,765 NZD
$2,122 USD
View
B+
Retailer 10
-
$4,005 NZD
€2,150 EUR
View
B+
Retailer 11
-
$4,336 NZD
$2,444 USD
View
B
Retailer 12
-
$4,604 NZD
$2,595 USD
View
Most Expensive
B
Helzberg Diamonds
XZRHLMJNIIGGH · Oct 30
$5,096 NZD
$2,872 USD
View
12 more retailers have this diamond
Prices start from $2,791 NZDSave up to $2,304 NZD

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
$2,791 NZD