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Marquise|Natural|GIA

0.59ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 6551757647

Certificate GIA 6551757647

Diamond specifications and retailer prices

From €616 EUR
SGD 934 SGD
As of October 31, 2026
Save €384 EUR (38%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,000 EUR at Frank Darling · As of November 2, 2026
View at Frank Darling

About this 0.59ct natural marquise diamond

This 0.59ct natural marquise sits in the half to three-quarter carat band, graded H 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 6551757647. Listed at 11 retailers as of October 31, 2026, with prices from €616 to €1,000, a €384 spread on the same certified stone. Frank Darling lists it at €1,000. 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
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6551757647
Dimensions9.01 × 4.17 × 2.71 mm
L/W Ratio2.16
Culet sizeNone
Top View
9.01 mm4.17 mm0.59 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6551757647
Side View
Table 59.0%CrownGirdle: MED-VTKPavilionCulet: 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: Oct 31
Current: €1,000 EUR|Low: €616 EUR|High: €1,025 EUR|Avg: €807 EUR|-2.4%
Frank Darling
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€616 EUR
Retailer 11€626 EUR
Retailer 8€661 EUR
Retailer 3€680 EUR
Retailer 5€736 EUR
Retailer 9€814 EUR
Retailer 2€844 EUR
Retailer 10€876 EUR
Retailer 4€917 EUR
Retailer 7€937 EUR
Frank Darling€1,000 EUR

38 data points across 11 retailers

11 retailers€616 EUR to €1,000 EUR

A
Cheapest Retailer
-
€616 EUR
SGD 934 SGD
A
Retailer 2
-
€626 EUR
SGD 949 SGD
View
A
Retailer 3
-
€661 EUR
$741 USD
View
B+
Retailer 4
-
€736 EUR
£650 GBP
View
B+
Retailer 5
-
€814 EUR
$913 USD
View
B+
Retailer 6
-
€825 EUR
$925 USD
View
B+
Retailer 7
-
€844 EUR
View
B
Retailer 8
-
€876 EUR
$982 USD
View
B
Retailer 9
-
€917 EUR
$1,029 USD
View
B+
Retailer 10
-
€937 EUR
$1,051 USD
View
Most Expensive
B
Frank Darling
2665110HK · Nov 2
€1,000 EUR
$1,122 USD
View
10 more retailers have this diamond
Prices start from €616 EURSave up to €384 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
0.59ct Marquise
€616 EUR