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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 €1,661 EUR
A$2,867 AUD
As of November 2, 2026
Save €747 EUR (31%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €2,409 EUR 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 2, 2026, with prices from €1,661 to €2,409, a €747 spread on the same certified stone. 77 Diamonds lists it at €2,409. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €2,409 EUR|Low: €867 EUR|High: €2,429 EUR|Avg: €1,666 EUR|-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€867 EUR
Retailer 9€1,249 EUR
Retailer 8€1,312 EUR
Retailer 11€1,323 EUR
Retailer 7€1,333 EUR
Retailer 4€1,688 EUR
Retailer 10€1,704 EUR
Retailer 13€1,810 EUR
Retailer 6€1,828 EUR
Retailer 3€2,154 EUR
Retailer 5€2,189 EUR
Retailer 2€2,246 EUR
77 Diamonds€2,409 EUR

20 data points across 13 retailers

4 retailers€1,661 EUR to €2,409 EUR

A
Cheapest Retailer
-
€1,661 EUR
A$2,867 AUD
B+
Retailer 2
-
€1,688 EUR
$1,893 USD
View
B
Retailer 3
-
€2,246 EUR
CA$3,499 CAD
View
Most Expensive
B
77 Diamonds
MQMBRVFUTD28 · Nov 2
€2,409 EUR
£2,127 GBP
View
3 more retailers have this diamond
Prices start from €1,661 EURSave up to €747 EUR

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
€1,661 EUR