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Marquise|Natural|GIA

0.77ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 2567233392

Certificate GIA 2567233392

Diamond specifications and retailer prices

From $1,818 AUD
SGD 1,726 SGD
As of October 31, 2026
Save $1,450 AUD (44%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,269 AUD at Helzberg Diamonds · As of October 30, 2026
View at Helzberg Diamonds

About this 0.77ct natural marquise diamond

This 0.77ct 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 2567233392. Listed at 14 retailers as of October 30, 2026, with prices from $1,818 to $3,269, a $1,450 spread on the same certified stone. Helzberg Diamonds lists it at $3,269. 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

0.77
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39.07°
Pavilion angle40.55°
OriginNatural
Grading LabGIA
CertificateGIA 2567233392
Dimensions9.33 × 4.68 × 2.97 mm
L/W Ratio1.99
Culet sizeNone
Top View
9.33 mm4.68 mm0.77 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2567233392
Side View
Table 59.0%Crown 39.07°Girdle: MED-VTKPavilion 40.55°Culet: NoneDepth 63.5%

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: $3,269 AUD|Low: $1,818 AUD|High: $3,492 AUD|Avg: $2,302 AUD|-6.4%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 31, 2026
Retailer 13$1,818 AUD
Retailer 8$1,825 AUD
Retailer 9$1,851 AUD
Retailer 10$1,865 AUD
Retailer 6$1,873 AUD
Retailer 11$1,926 AUD
Retailer 4$1,985 AUD
Retailer 2$2,040 AUD
Retailer 14$2,224 AUD
Retailer 3$2,543 AUD
Retailer 7$2,619 AUD
Retailer 12$2,782 AUD
Retailer 5$2,976 AUD
Helzberg Diamonds$3,269 AUD

24 data points across 14 retailers

14 retailers$1,818 AUD to $3,269 AUD

A
Cheapest Retailer
-
$1,818 AUD
SGD 1,726 SGD
A
Retailer 2
-
$1,825 AUD
$1,282 USD
View
A
Retailer 3
-
$1,851 AUD
$1,300 USD
View
A
Retailer 4
-
$1,865 AUD
$1,310 USD
View
A
Retailer 5
-
$1,873 AUD
$1,316 USD
View
A
Retailer 6
-
$1,926 AUD
$1,353 USD
View
A
Retailer 7
-
$1,985 AUD
SGD 1,884 SGD
View
A
Retailer 8
-
$2,040 AUD
£1,129 GBP
View
A
Retailer 9
-
$2,224 AUD
$1,562 USD
View
A
Retailer 10
-
$2,543 AUD
$1,787 USD
View
A
Retailer 11
-
$2,619 AUD
€1,752 EUR
View
A
Retailer 12
-
$2,782 AUD
$1,954 USD
View
B+
Retailer 13
-
$2,976 AUD
$2,091 USD
View
Most Expensive
B+
Helzberg Diamonds
XZRILMNIJJJPI · Oct 30
$3,269 AUD
$2,296 USD
View
13 more retailers have this diamond
Prices start from $1,818 AUDSave up to $1,450 AUD

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
0.77ct Marquise
$1,818 AUD