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Marquise|Natural|GIA

0.53ct H SI2 Marquise Natural Diamond

EX • H/SI2 • GIA 5172287792

Certificate GIA 5172287792

Diamond specifications and retailer prices

From $1,435 AUD
As of November 4, 2026
Save $742 AUD (34%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,177 AUD at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 0.53ct natural marquise diamond

This 0.53ct natural marquise sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5172287792. Listed at 2 retailers as of November 4, 2026, with prices from $1,435 to $2,177, a $742 spread on the same certified stone. 77 Diamonds lists it at $2,177. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5172287792
Dimensions8.06 × 4.34 × 2.49 mm
L/W Ratio1.86
Top View
8.06 mm4.34 mm0.53 ctH / SI2
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceFaint
CertificateGIA 5172287792
Side View
Table 58.0%CrownGirdlePavilionCuletDepth 57.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 4
Current: $2,177 AUD|Low: $1,435 AUD|High: $2,215 AUD|Avg: $1,819 AUD|-0.5%
77 Diamonds
Retailer 2
November 6, 2026
Retailer 2$1,435 AUD
77 Diamonds$2,177 AUD

30 data points across 2 retailers

2 retailers$1,435 AUD to $2,177 AUD

B
Cheapest Retailer
-
$1,435 AUD
Most Expensive
C
77 Diamonds
MQZXQUEDXFN · Nov 6
$2,177 AUD
£1,178 GBP
View
1 more retailer has this diamond
Prices start from $1,435 AUDSave up to $742 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.

B
0.53ct Marquise
$1,435 AUD