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Marquise|Natural|GIA

0.59ct J SI1 Marquise Natural Diamond

EX • J/SI1 • GIA 6541369416

Certificate GIA 6541369416

Diamond specifications and retailer prices

From £417 GBP
$560 USD
As of November 2, 2026
1 retailer carries this diamond
Only listing: £417 GBP at The Diamond Guys
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at The Diamond Guys

About this 0.59ct natural marquise diamond

This 0.59ct natural marquise sits in the half to three-quarter carat band, graded J 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 6541369416. Listed at a single retailer as of November 2, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

0.59
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6541369416
Dimensions8.02 × 4.33 × 2.80 mm
L/W Ratio1.85
Top View
8.02 mm4.33 mm0.59 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6541369416
Side View
Table 58.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 64.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: £487 GBP|Low: £223 GBP|High: £777 GBP|Avg: £456 GBP|-2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
The Diamond Guys
September 16, 2026
Retailer 3£223 GBP
Retailer 7£332 GBP
Retailer 5£351 GBP
Retailer 4£370 GBP
The Diamond Guys£417 GBP
Retailer 9£431 GBP
Retailer 6£455 GBP
Retailer 1£487 GBP
Retailer 8£502 GBP
Retailer 11£505 GBP
Retailer 2£582 GBP
Retailer 10£667 GBP

50 data points across 12 retailers

1 retailer

B+
The Diamond Guys
1904385775 · Nov 2
£417 GBP
$560 USD
View

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.

B+
0.59ct Marquise
£417 GBP