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Marquise|Natural|GIA

0.80ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 1555492596

Certificate GIA 1555492596

Diamond specifications and retailer prices

From $2,603 CAD
A$2,867 AUD
As of October 30, 2026
Save $1,203 CAD (32%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,805 CAD at 77 Diamonds · As of October 31, 2026
View at 77 Diamonds

About this 0.8ct natural marquise diamond

This 0.8ct natural marquise sits in the just-under-one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1555492596. Listed at 4 retailers as of October 30, 2026, with prices from $2,603 to $3,805, a $1,203 spread on the same certified stone. 77 Diamonds lists it at $3,805. 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

0.80
Carat
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.41°
Pavilion angle42.37°
OriginNatural
Grading LabGIA
CertificateGIA 1555492596
Dimensions9.05 × 4.89 × 3.17 mm
L/W Ratio1.85
Culet sizeNone
Top View
9.05 mm4.89 mm0.80 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555492596
Side View
Table 60.0%Crown 35.41°Girdle: MED-VTKPavilion 42.37°Culet: NoneDepth 64.9%

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 30
Current: $3,805 CAD|Low: $1,359 CAD|High: $3,805 CAD|Avg: $2,603 CAD|+0.0%
77 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
October 31, 2026
Retailer 12$1,359 CAD
Retailer 9$1,957 CAD
Retailer 8$2,056 CAD
Retailer 11$2,073 CAD
Retailer 7$2,089 CAD
Retailer 4$2,644 CAD
Retailer 10$2,669 CAD
Retailer 13$2,835 CAD
Retailer 6$2,864 CAD
Retailer 3$3,375 CAD
Retailer 5$3,430 CAD
Retailer 2$3,519 CAD
77 Diamonds$3,805 CAD

18 data points across 13 retailers

4 retailers$2,603 CAD to $3,805 CAD

A
Cheapest Retailer
-
$2,603 CAD
A$2,867 AUD
B+
Retailer 2
-
$2,644 CAD
$1,893 USD
View
B
Retailer 3
-
$3,519 CAD
View
Most Expensive
B
77 Diamonds
MQMBRVFUTD28 · Oct 31
$3,805 CAD
£2,145 GBP
View
3 more retailers have this diamond
Prices start from $2,603 CADSave up to $1,203 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
0.80ct Marquise
$2,603 CAD