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Marquise|Natural|GIA

0.50ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 6541520345

Certificate GIA 6541520345

Diamond specifications and retailer prices

From $705 AUD
₹47,196 INR
As of November 1, 2026
Save $2,036 AUD (74%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,742 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6541520345. Listed at 15 retailers as of October 30, 2026, with prices from $705 to $2,742, a $2,036 spread on the same certified stone. NZ Jewellers lists it at $2,742. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6541520345
Dimensions8.21 × 4.06 × 2.52 mm
L/W Ratio2.02
Top View
8.21 mm4.06 mm0.50 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6541520345
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NDepth 62.2%

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 1
Current: $705 AUD|Low: $704 AUD|High: $2,043 AUD|Avg: $1,078 AUD|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 1$705 AUD
Retailer 7$801 AUD
Retailer 8$806 AUD
Retailer 2$890 AUD
Retailer 9$941 AUD
Retailer 10$1,057 AUD
Retailer 3$1,075 AUD
Retailer 6$1,095 AUD
Retailer 5$1,290 AUD
Retailer 4$2,020 AUD

37 data points across 10 retailers

15 retailers$705 AUD to $2,742 AUD

A
Cheapest Retailer
-
$705 AUD
₹47,196 INR
Retailer 2
-
$801 AUD
SGD 760 SGD
View
Price last confirmed 10 days ago
A
Retailer 3
-
$806 AUD
$566 USD
View
Final sale: no returns
A
Retailer 4
-
$874 AUD
$614 USD
View
A
Retailer 5
-
$890 AUD
$625 USD
View
A
Retailer 6
-
$941 AUD
$661 USD
View
A
Retailer 7
-
$941 AUD
$661 USD
View
A
Retailer 8
-
$1,008 AUD
$708 USD
View
Retailer 9
-
$1,057 AUD
£585 GBP
View
Price last confirmed 32 days ago
A
Retailer 10
-
$1,062 AUD
$746 USD
View
A
Retailer 11
-
$1,075 AUD
£594 GBP
View
A
Retailer 12
-
$1,095 AUD
£606 GBP
View
B+
Retailer 13
-
$1,290 AUD
€863 EUR
View
B
Retailer 14
-
$2,020 AUD
£1,117 GBP
View
Most Expensive
B
NZ Jewellers
3a0a683c-6847-478a-8fd9-c7ff839e6d66 · Oct 30
$2,742 AUD
$1,926 USD
View
14 more retailers have this diamond
Prices start from $705 AUDSave up to $2,036 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
$705 AUD