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Marquise|Natural|GIA

0.50ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 1565001209

Certificate GIA 1565001209

Diamond specifications and retailer prices

From $550 USD
HK$4,300 HKD
As of November 1, 2026
Save $1,504 USD (73%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,054 USD 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 $550 to $2,054, a $1,504 spread on the same certified stone. NZ Jewellers lists it at $2,054. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,054 USD|Low: $525 USD|High: $2,139 USD|Avg: $856 USD|+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 1, 2026
Retailer 3$550 USD
Retailer 4$604 USD
Retailer 15$655 USD
Retailer 17$655 USD
Retailer 6$665 USD
Retailer 16$680 USD
Retailer 8$681 USD
Retailer 9$756 USD
Retailer 14$756 USD
Retailer 5$777 USD
Retailer 2$782 USD
Retailer 7$787 USD
Retailer 10$807 USD
Retailer 13$821 USD
Retailer 12$962 USD
Retailer 11$1,513 USD
NZ Jewellers$2,054 USD

29 data points across 17 retailers

17 retailers$550 USD to $2,054 USD

A
Cheapest Retailer
-
$550 USD
HK$4,300 HKD
A
Retailer 2
-
$604 USD
View
Final sale: no returns
A
Retailer 3
-
$655 USD
View
A
Retailer 4
-
$655 USD
View
A
Retailer 5
-
$665 USD
View
A
Retailer 6
-
$680 USD
View
A
Retailer 7
-
$681 USD
SGD 920 SGD
View
A
Retailer 8
-
$756 USD
View
Retailer 9
-
$756 USD
View
Price last confirmed 14 days ago
A
Retailer 10
-
$777 USD
View
A
Retailer 11
-
$782 USD
£616 GBP
View
B+
Retailer 12
-
$787 USD
View
B+
Retailer 13
-
$807 USD
£635 GBP
View
B+
Retailer 14
-
$821 USD
£646 GBP
View
B+
Retailer 15
-
$962 USD
€916 EUR
View
B
Retailer 16
-
$1,513 USD
£1,191 GBP
View
Most Expensive
B
NZ Jewellers
f7525088-09f3-4acf-89c1-450817655470 · Oct 30
$2,054 USD
View
16 more retailers have this diamond
Prices start from $550 USDSave up to $1,504 USD

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
$550 USD