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Marquise|Natural|GIA

0.80ct J SI2 Marquise Natural Diamond

EX • J/SI2 • GIA 6565518043

Certificate GIA 6565518043

Diamond specifications and retailer prices

From €811 EUR
$906 USD
As of October 31, 2026
Save €644 EUR (44%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,455 EUR at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 0.8ct natural marquise diamond

This 0.8ct natural marquise sits in the just-under-one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565518043. Listed at 12 retailers as of October 31, 2026, with prices from €811 to €1,455, a €644 spread on the same certified stone. Helzberg Diamonds lists it at €1,455. 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
J
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.46°
Pavilion angle39.52°
OriginNatural
Grading LabGIA
CertificateGIA 6565518043
Dimensions9.15 × 4.84 × 3.01 mm
L/W Ratio1.89
Culet sizeNone
Top View
9.15 mm4.84 mm0.80 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6565518043
Side View
Table 57.0%Crown 38.46°Girdle: STK-VTKPavilion 39.52°Culet: NoneDepth 62.2%

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 31
Current: €1,455 EUR|Low: €811 EUR|High: €1,514 EUR|Avg: €1,073 EUR|-3.8%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6€811 EUR
Retailer 8€815 EUR
Retailer 5€859 EUR
Retailer 11€871 EUR
Retailer 9€884 EUR
Retailer 4€937 EUR
Retailer 7€1,009 EUR
Retailer 2€1,179 EUR
Retailer 10€1,249 EUR
Retailer 3€1,371 EUR
Helzberg Diamonds€1,455 EUR

27 data points across 11 retailers

12 retailers€811 EUR to €1,455 EUR

A
Cheapest Retailer
-
€811 EUR
$906 USD
A
Retailer 2
-
€815 EUR
$910 USD
View
A
Retailer 3
-
€859 EUR
$960 USD
View
A
Retailer 4
-
€865 EUR
SGD 1,306 SGD
View
A
Retailer 5
-
€871 EUR
$973 USD
View
A
Retailer 6
-
€884 EUR
SGD 1,335 SGD
View
A
Retailer 7
-
€937 EUR
£824 GBP
View
B+
Retailer 8
-
€1,009 EUR
$1,127 USD
View
B+
Retailer 9
-
€1,179 EUR
View
B+
Retailer 10
-
€1,249 EUR
$1,395 USD
View
B
Retailer 11
-
€1,371 EUR
$1,531 USD
View
Most Expensive
B
Helzberg Diamonds
XZRMLMLLHOGKJ · Nov 1
€1,455 EUR
$1,626 USD
View
11 more retailers have this diamond
Prices start from €811 EURSave up to €644 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
€811 EUR