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Marquise|Natural|GIA

0.59ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 6542558302

Certificate GIA 6542558302

Diamond specifications and retailer prices

From $978 CAD
$700 USD
As of October 31, 2026
Save $667 CAD (41%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,645 CAD 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 6542558302. Listed at 14 retailers as of October 31, 2026, with prices from $978 to $1,645, a $667 spread on the same certified stone. Frank Darling lists it at $1,645. 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
FluorescenceNone
Crown angle38.68°
Pavilion angle38.13°
OriginNatural
Grading LabGIA
CertificateGIA 6542558302
Dimensions8.33 × 4.40 × 2.66 mm
L/W Ratio1.89
Top View
8.33 mm4.40 mm0.59 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6542558302
Side View
Table 61.0%Crown 38.68°Girdle: STK-THKPavilion 38.13°Culet: NoneDepth 60.4%

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: $1,645 CAD|Low: $978 CAD|High: $1,666 CAD|Avg: $1,308 CAD|-1.2%
Frank Darling
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 10$978 CAD
Retailer 13$1,034 CAD
Retailer 3$1,062 CAD
Retailer 9$1,087 CAD
Retailer 11$1,112 CAD
Retailer 6$1,179 CAD
Retailer 5$1,314 CAD
Retailer 8$1,381 CAD
Retailer 2$1,427 CAD
Retailer 12$1,486 CAD
Retailer 7$1,556 CAD
Retailer 4$1,587 CAD
Frank Darling$1,645 CAD

46 data points across 13 retailers

14 retailers$978 CAD to $1,645 CAD

A
Cheapest Retailer
-
$978 CAD
$700 USD
A
Retailer 2
-
$1,034 CAD
SGD 1,000 SGD
View
A
Retailer 3
-
$1,062 CAD
SGD 1,027 SGD
View
B+
Retailer 4
-
$1,087 CAD
$778 USD
View
B+
Retailer 5
-
$1,112 CAD
$796 USD
View
B+
Retailer 6
-
$1,179 CAD
£665 GBP
View
Retailer 7
-
$1,314 CAD
£741 GBP
View
Price last confirmed 39 days ago
B
Retailer 8
-
$1,372 CAD
$982 USD
View
B
Retailer 9
-
$1,381 CAD
$989 USD
View
B
Retailer 10
-
$1,427 CAD
€973 EUR
View
B
Retailer 11
-
$1,486 CAD
$1,064 USD
View
B
Retailer 12
-
$1,556 CAD
$1,114 USD
View
B
Retailer 13
-
$1,587 CAD
$1,136 USD
View
Most Expensive
B
Frank Darling
2585300HK · Nov 2
$1,645 CAD
$1,178 USD
View
13 more retailers have this diamond
Prices start from $978 CADSave up to $667 CAD

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
$978 CAD