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Marquise|Natural|GIA

0.53ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 5161629857

Certificate GIA 5161629857

Diamond specifications and retailer prices

From $1,068 AUD
As of November 6, 2026
Save $420 AUD (28%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,488 AUD at 77 Diamonds · As of November 5, 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 I 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 5161629857. Listed at 3 retailers as of November 5, 2026, with prices from $1,068 to $1,488, a $420 spread on the same certified stone. 77 Diamonds lists it at $1,488. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5161629857
Dimensions8.25 × 4.19 × 2.71 mm
L/W Ratio1.97
Top View
8.25 mm4.19 mm0.53 ctI / SI2
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 5161629857
Side View
Table 60.0%CrownGirdle: XTN-THKPavilionCuletDepth 64.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,488 AUD|Low: $1,052 AUD|High: $1,506 AUD|Avg: $1,282 AUD|+1.3%
77 Diamonds
Retailer 2
November 5, 2026
Retailer 2$1,068 AUD
77 Diamonds$1,488 AUD

40 data points across 2 retailers

3 retailers$1,068 AUD to $1,488 AUD

B+
Cheapest Retailer
-
$1,068 AUD
B
Retailer 2
-
$1,305 AUD
View
Most Expensive
B
77 Diamonds
MQZSNHZKRWJ · Nov 5
$1,488 AUD
£805 GBP
View
2 more retailers have this diamond
Prices start from $1,068 AUDSave up to $420 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
$1,068 AUD