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Marquise|Natural|GIA

0.53ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 2517403903

Certificate GIA 2517403903

Diamond specifications and retailer prices

From $764 AUD
As of November 6, 2026
Save $1,212 AUD (61%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,976 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 0.53ct natural marquise diamond

This 0.53ct natural marquise sits in the half to three-quarter carat band, graded G 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 2517403903. Listed at 8 retailers as of November 4, 2026, with prices from $764 to $1,976, a $1,212 spread on the same certified stone. MOH London lists it at $1,976. 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

0.53
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2517403903
Dimensions9.42 × 4.17 × 2.47 mm
L/W Ratio2.26
Top View
9.42 mm4.17 mm0.53 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2517403903
Side View
Table 60.0%CrownGirdle: ThickPavilionCulet: NoneDepth 59.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,976 AUD|Low: $764 AUD|High: $2,004 AUD|Avg: $1,209 AUD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 6$764 AUD
Retailer 2$803 AUD
Retailer 5$819 AUD
Retailer 4$1,297 AUD
Retailer 3$1,524 AUD
MOH London$1,976 AUD

41 data points across 6 retailers

8 retailers$764 AUD to $1,976 AUD

A
Cheapest Retailer
-
$764 AUD
Final sale: no returns
A
Retailer 2
-
$803 AUD
View
A
Retailer 3
-
$819 AUD
View
Retailer 4
-
$1,186 AUD
View
Price last confirmed 81 days ago
B+
Retailer 5
-
$1,243 AUD
View
B+
Retailer 6
-
$1,297 AUD
View
B
Retailer 7
-
$1,524 AUD
View
Most Expensive
B
MOH London
0DA35AAE7 · Nov 4
$1,976 AUD
£1,069 GBP
View
7 more retailers have this diamond
Prices start from $764 AUDSave up to $1,212 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
0.53ct Marquise
$764 AUD