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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 $977 NZD
HK$4,300 HKD
As of November 1, 2026
Save $2,668 NZD (73%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,644 NZD 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 $977 to $3,644, a $2,668 spread on the same certified stone. NZ Jewellers lists it at $3,644. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $3,644 NZD|Low: $931 NZD|High: $3,795 NZD|Avg: $1,530 NZD|+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$977 NZD
Retailer 4$1,072 NZD
Retailer 15$1,162 NZD
Retailer 17$1,162 NZD
Retailer 6$1,180 NZD
Retailer 16$1,207 NZD
Retailer 8$1,208 NZD
Retailer 9$1,341 NZD
Retailer 14$1,341 NZD
Retailer 5$1,379 NZD
Retailer 2$1,388 NZD
Retailer 7$1,396 NZD
Retailer 10$1,420 NZD
Retailer 13$1,456 NZD
Retailer 12$1,707 NZD
Retailer 11$2,684 NZD
NZ Jewellers$3,644 NZD

29 data points across 17 retailers

17 retailers$977 NZD to $3,644 NZD

A
Cheapest Retailer
-
$977 NZD
HK$4,300 HKD
A
Retailer 2
-
$1,072 NZD
$604 USD
View
Final sale: no returns
A
Retailer 3
-
$1,162 NZD
$655 USD
View
A
Retailer 4
-
$1,162 NZD
$655 USD
View
A
Retailer 5
-
$1,180 NZD
$665 USD
View
A
Retailer 6
-
$1,207 NZD
$680 USD
View
A
Retailer 7
-
$1,208 NZD
SGD 920 SGD
View
A
Retailer 8
-
$1,341 NZD
$756 USD
View
Retailer 9
-
$1,341 NZD
$756 USD
View
Price last confirmed 14 days ago
A
Retailer 10
-
$1,379 NZD
$777 USD
View
A
Retailer 11
-
$1,388 NZD
£616 GBP
View
B+
Retailer 12
-
$1,396 NZD
$787 USD
View
B+
Retailer 13
-
$1,420 NZD
£630 GBP
View
B+
Retailer 14
-
$1,456 NZD
£646 GBP
View
B+
Retailer 15
-
$1,707 NZD
€916 EUR
View
B
Retailer 16
-
$2,684 NZD
£1,191 GBP
View
Most Expensive
B
NZ Jewellers
f7525088-09f3-4acf-89c1-450817655470 · Oct 30
$3,644 NZD
$2,054 USD
View
16 more retailers have this diamond
Prices start from $977 NZDSave up to $2,668 NZD

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
$977 NZD