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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 $879 NZD
₹47,196 INR
As of November 1, 2026
Save $2,538 NZD (74%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,417 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 6541520345. Listed at 15 retailers as of October 30, 2026, with prices from $879 to $3,417, a $2,538 spread on the same certified stone. NZ Jewellers lists it at $3,417. 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: $1,340 NZD|Low: $877 NZD|High: $2,546 NZD|Avg: $1,340 NZD|+4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 3$879 NZD
Retailer 7$998 NZD
Retailer 8$1,004 NZD
Retailer 2$1,109 NZD
Retailer 9$1,173 NZD
Retailer 10$1,317 NZD
Retailer 1$1,340 NZD
Retailer 6$1,365 NZD
Retailer 5$1,608 NZD
Retailer 4$2,517 NZD

37 data points across 10 retailers

15 retailers$879 NZD to $3,417 NZD

A
Cheapest Retailer
-
$879 NZD
₹47,196 INR
Retailer 2
-
$998 NZD
SGD 760 SGD
View
Price last confirmed 10 days ago
A
Retailer 3
-
$1,004 NZD
$566 USD
View
Final sale: no returns
A
Retailer 4
-
$1,089 NZD
$614 USD
View
A
Retailer 5
-
$1,109 NZD
$625 USD
View
A
Retailer 6
-
$1,173 NZD
$661 USD
View
A
Retailer 7
-
$1,173 NZD
$661 USD
View
A
Retailer 8
-
$1,256 NZD
$708 USD
View
Retailer 9
-
$1,317 NZD
£585 GBP
View
Price last confirmed 33 days ago
A
Retailer 10
-
$1,323 NZD
$746 USD
View
A
Retailer 11
-
$1,340 NZD
£594 GBP
View
A
Retailer 12
-
$1,365 NZD
£606 GBP
View
B+
Retailer 13
-
$1,608 NZD
€863 EUR
View
B
Retailer 14
-
$2,517 NZD
£1,117 GBP
View
Most Expensive
B
NZ Jewellers
3a0a683c-6847-478a-8fd9-c7ff839e6d66 · Oct 30
$3,417 NZD
$1,926 USD
View
14 more retailers have this diamond
Prices start from $879 NZDSave up to $2,538 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
$879 NZD