CaratHunter
Plans
Marquise|Natural|GIA

0.80ct J SI2 Marquise Natural Diamond

EX • J/SI2 • GIA 6565518043

Certificate GIA 6565518043

Diamond specifications and retailer prices

From €808 EUR
$906 USD
As of October 31, 2026
Save €642 EUR (44%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,450 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 €808 to €1,450, a €642 spread on the same certified stone. Helzberg Diamonds lists it at €1,450. 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
Colour
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: €1,450 EUR|Low: €808 EUR|High: €1,508 EUR|Avg: €1,069 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€808 EUR
Retailer 8€811 EUR
Retailer 5€856 EUR
Retailer 11€868 EUR
Retailer 9€881 EUR
Retailer 4€933 EUR
Retailer 7€1,005 EUR
Retailer 2€1,174 EUR
Retailer 10€1,244 EUR
Retailer 3€1,365 EUR
Helzberg Diamonds€1,450 EUR

27 data points across 11 retailers

12 retailers€808 EUR to €1,450 EUR

A
Cheapest Retailer
-
€808 EUR
$906 USD
A
Retailer 2
-
€811 EUR
$910 USD
View
A
Retailer 3
-
€856 EUR
$960 USD
View
A
Retailer 4
-
€862 EUR
SGD 1,306 SGD
View
A
Retailer 5
-
€868 EUR
$973 USD
View
A
Retailer 6
-
€881 EUR
SGD 1,335 SGD
View
A
Retailer 7
-
€933 EUR
£824 GBP
View
B+
Retailer 8
-
€1,005 EUR
$1,127 USD
View
B+
Retailer 9
-
€1,174 EUR
View
B+
Retailer 10
-
€1,244 EUR
$1,395 USD
View
B
Retailer 11
-
€1,365 EUR
$1,531 USD
View
Most Expensive
B
Helzberg Diamonds
XZRMLMLLHOGKJ · Nov 1
€1,450 EUR
$1,626 USD
View
11 more retailers have this diamond
Prices start from €808 EURSave up to €642 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
€808 EUR