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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 $999 AUD
$700 USD
As of November 2, 2026
Save $682 AUD (41%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,681 AUD 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 November 2, 2026, with prices from $999 to $1,681, a $682 spread on the same certified stone. Frank Darling lists it at $1,681. 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
Colour
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: Nov 2
Current: $1,681 AUD|Low: $999 AUD|High: $1,702 AUD|Avg: $1,336 AUD|-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$999 AUD
Retailer 13$1,056 AUD
Retailer 3$1,084 AUD
Retailer 9$1,110 AUD
Retailer 11$1,136 AUD
Retailer 6$1,205 AUD
Retailer 5$1,342 AUD
Retailer 8$1,411 AUD
Retailer 2$1,458 AUD
Retailer 12$1,518 AUD
Retailer 7$1,590 AUD
Retailer 4$1,621 AUD
Frank Darling$1,681 AUD

46 data points across 13 retailers

14 retailers$999 AUD to $1,681 AUD

A
Cheapest Retailer
-
$999 AUD
$700 USD
A
Retailer 2
-
$1,056 AUD
SGD 1,000 SGD
View
A
Retailer 3
-
$1,084 AUD
SGD 1,027 SGD
View
B+
Retailer 4
-
$1,110 AUD
$778 USD
View
B+
Retailer 5
-
$1,136 AUD
$796 USD
View
B+
Retailer 6
-
$1,205 AUD
£665 GBP
View
Retailer 7
-
$1,342 AUD
£741 GBP
View
Price last confirmed 40 days ago
B
Retailer 8
-
$1,401 AUD
$982 USD
View
B
Retailer 9
-
$1,411 AUD
$989 USD
View
B
Retailer 10
-
$1,458 AUD
€973 EUR
View
B
Retailer 11
-
$1,518 AUD
$1,064 USD
View
B
Retailer 12
-
$1,590 AUD
$1,114 USD
View
B
Retailer 13
-
$1,621 AUD
$1,136 USD
View
Most Expensive
B
Frank Darling
2585300HK · Nov 2
$1,681 AUD
$1,178 USD
View
13 more retailers have this diamond
Prices start from $999 AUDSave up to $682 AUD

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
$999 AUD