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Marquise|Natural|GIA

0.50ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 1569290395

Certificate GIA 1569290395

Diamond specifications and retailer prices

From $703 AUD
$493 USD
As of November 2, 2026
Save $1,689 AUD (71%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,393 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.5ct natural marquise diamond

This 0.5ct 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 1569290395. Listed at 7 retailers as of October 30, 2026, with prices from $703 to $2,393, a $1,689 spread on the same certified stone. NZ Jewellers lists it at $2,393. 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

0.50
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1569290395
Dimensions8.25 × 4.02 × 2.62 mm
L/W Ratio2.05
Top View
8.25 mm4.02 mm0.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1569290395
Side View
Table 58.0%CrownGirdlePavilionCulet: NoneDepth 65.2%

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: $2,393 AUD|Low: $703 AUD|High: $2,715 AUD|Avg: $1,166 AUD|-11.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 5$703 AUD
Retailer 4$822 AUD
Retailer 2$911 AUD
Retailer 7$951 AUD
Retailer 3$958 AUD
Retailer 6$1,007 AUD
NZ Jewellers$2,393 AUD

35 data points across 7 retailers

7 retailers$703 AUD to $2,393 AUD

A
Cheapest Retailer
-
$703 AUD
$493 USD
Final sale: no returns
A
Retailer 2
-
$822 AUD
$576 USD
View
B+
Retailer 3
-
$911 AUD
£503 GBP
View
B+
Retailer 4
-
$951 AUD
$666 USD
View
B+
Retailer 5
-
$958 AUD
£529 GBP
View
B+
Retailer 6
-
$1,007 AUD
$706 USD
View
Most Expensive
B
NZ Jewellers
4f134632-53d8-43dd-bacb-b6986358acba · Oct 30
$2,393 AUD
$1,677 USD
View
6 more retailers have this diamond
Prices start from $703 AUDSave up to $1,689 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
0.50ct Marquise
$703 AUD