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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 $2,659 AUD
As of November 1, 2026
Save $1,196 AUD (31%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,855 AUD at 77 Diamonds · As of November 2, 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 November 1, 2026, with prices from $2,659 to $3,855, a $1,196 spread on the same certified stone. 77 Diamonds lists it at $3,855. 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
Colour
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $3,855 AUD|Low: $1,388 AUD|High: $3,887 AUD|Avg: $2,666 AUD|-0.8%
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
November 2, 2026
Retailer 12$1,388 AUD
Retailer 9$1,999 AUD
Retailer 8$2,100 AUD
Retailer 11$2,118 AUD
Retailer 7$2,134 AUD
Retailer 4$2,701 AUD
Retailer 10$2,726 AUD
Retailer 13$2,896 AUD
Retailer 6$2,925 AUD
Retailer 3$3,448 AUD
Retailer 5$3,503 AUD
Retailer 2$3,594 AUD
77 Diamonds$3,855 AUD

20 data points across 13 retailers

4 retailers$2,659 AUD to $3,855 AUD

A
Cheapest Retailer
-
$2,659 AUD
B+
Retailer 2
-
$2,701 AUD
$1,893 USD
View
B
Retailer 3
-
$3,594 AUD
CA$3,499 CAD
View
Most Expensive
B
77 Diamonds
MQMBRVFUTD28 · Nov 2
$3,855 AUD
£2,127 GBP
View
3 more retailers have this diamond
Prices start from $2,659 AUDSave up to $1,196 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
0.80ct Marquise
$2,659 AUD