Marquise|Natural|GIA

0.50ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 1565001209

Certificate GIA 1565001209

Diamond specifications and retailer prices

From $784 AUD
HK$4,300 HKD
As of November 1, 2026
Save $2,141 AUD (73%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,924 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 1565001209. Listed at 17 retailers as of October 30, 2026, with prices from $784 to $2,924, a $2,141 spread on the same certified stone. NZ Jewellers lists it at $2,924. 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
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1565001209
Dimensions8.28 × 4.07 × 2.47 mm
L/W Ratio2.03
Key to symbols
Crystal, Needle, Feather
Top View
8.28 mm4.07 mm0.50 ctD / SI2
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 1565001209
Side View
Table 54.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 60.6%

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 1
Current: $2,924 AUD|Low: $747 AUD|High: $3,045 AUD|Avg: $1,228 AUD|+4.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 3$784 AUD
Retailer 4$860 AUD
Retailer 15$932 AUD
Retailer 17$932 AUD
Retailer 6$947 AUD
Retailer 16$968 AUD
Retailer 8$969 AUD
Retailer 9$1,076 AUD
Retailer 14$1,076 AUD
Retailer 5$1,106 AUD
Retailer 10$1,113 AUD
Retailer 7$1,120 AUD
Retailer 2$1,139 AUD
Retailer 13$1,168 AUD
Retailer 12$1,369 AUD
Retailer 11$2,153 AUD
NZ Jewellers$2,924 AUD

29 data points across 17 retailers

17 retailers$784 AUD to $2,924 AUD

A
Cheapest Retailer
-
$784 AUD
HK$4,300 HKD
A
Retailer 2
-
$860 AUD
$604 USD
View
Final sale: no returns
A
Retailer 3
-
$932 AUD
$655 USD
View
A
Retailer 4
-
$932 AUD
$655 USD
View
A
Retailer 5
-
$947 AUD
$665 USD
View
A
Retailer 6
-
$968 AUD
$680 USD
View
A
Retailer 7
-
$969 AUD
SGD 920 SGD
View
A
Retailer 8
-
$1,076 AUD
$756 USD
View
Retailer 9
-
$1,076 AUD
$756 USD
View
Price last confirmed 14 days ago
A
Retailer 10
-
$1,106 AUD
$777 USD
View
A
Retailer 11
-
$1,113 AUD
£616 GBP
View
B+
Retailer 12
-
$1,120 AUD
$787 USD
View
B+
Retailer 13
-
$1,139 AUD
£630 GBP
View
B+
Retailer 14
-
$1,168 AUD
£646 GBP
View
B+
Retailer 15
-
$1,369 AUD
€916 EUR
View
B
Retailer 16
-
$2,153 AUD
£1,191 GBP
View
Most Expensive
B
NZ Jewellers
f7525088-09f3-4acf-89c1-450817655470 · Oct 30
$2,924 AUD
$2,054 USD
View
16 more retailers have this diamond
Prices start from $784 AUDSave up to $2,141 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
$784 AUD