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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 $884 SGD
As of October 31, 2026
Save $551 SGD (38%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,435 SGD 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 $884 to $1,435, a $551 spread on the same certified stone. Frank Darling lists it at $1,435. 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
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: $1,435 SGD|Low: $884 SGD|High: $1,470 SGD|Avg: $1,157 SGD|-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$884 SGD
Retailer 11$898 SGD
Retailer 8$948 SGD
Retailer 3$976 SGD
Retailer 5$1,055 SGD
Retailer 9$1,168 SGD
Retailer 2$1,211 SGD
Retailer 10$1,256 SGD
Retailer 4$1,316 SGD
Retailer 7$1,345 SGD
Frank Darling$1,435 SGD

38 data points across 11 retailers

11 retailers$884 SGD to $1,435 SGD

A
Cheapest Retailer
-
$884 SGD
A
Retailer 2
-
$898 SGD
View
A
Retailer 3
-
$948 SGD
$741 USD
View
B+
Retailer 4
-
$1,055 SGD
£650 GBP
View
B+
Retailer 5
-
$1,168 SGD
$913 USD
View
B+
Retailer 6
-
$1,183 SGD
$925 USD
View
B+
Retailer 7
-
$1,211 SGD
€902 EUR
View
B
Retailer 8
-
$1,256 SGD
$982 USD
View
B
Retailer 9
-
$1,316 SGD
$1,029 USD
View
Retailer 10
-
$1,345 SGD
$1,051 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Frank Darling
2665110HK · Nov 2
$1,435 SGD
$1,122 USD
View
10 more retailers have this diamond
Prices start from $884 SGDSave up to $551 SGD

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
$884 SGD