Marquise|Natural|GIA

0.50ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 6541520345

Certificate GIA 6541520345

Diamond specifications and retailer prices

From $496 USD
₹47,206 INR
As of October 31, 2026
Save $1,430 USD (74%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,926 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 6541520345. Listed at 15 retailers as of October 30, 2026, with prices from $496 to $1,926, a $1,430 spread on the same certified stone. NZ Jewellers lists it at $1,926. 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
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $755 USD|Low: $423 USD|High: $1,435 USD|Avg: $749 USD|+4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 4$496 USD
Retailer 7$562 USD
Retailer 8$566 USD
Retailer 2$625 USD
Retailer 9$661 USD
Retailer 10$742 USD
Retailer 1$755 USD
Retailer 6$769 USD
Retailer 5$906 USD
Retailer 3$1,419 USD

37 data points across 10 retailers

15 retailers$496 USD to $1,926 USD

A
Cheapest Retailer
-
$496 USD
₹47,206 INR
Retailer 2
-
$562 USD
SGD 760 SGD
View
Price last confirmed 9 days ago
A
Retailer 3
-
$566 USD
View
Final sale: no returns
A
Retailer 4
-
$614 USD
View
Retailer 5
-
$625 USD
View
Price last confirmed 10 days ago
A
Retailer 6
-
$661 USD
View
A
Retailer 7
-
$661 USD
View
A
Retailer 8
-
$708 USD
View
Retailer 9
-
$742 USD
£585 GBP
View
Price last confirmed 32 days ago
A
Retailer 10
-
$746 USD
View
A
Retailer 11
-
$755 USD
£594 GBP
View
A
Retailer 12
-
$769 USD
£606 GBP
View
B+
Retailer 13
-
$906 USD
€863 EUR
View
B
Retailer 14
-
$1,419 USD
£1,117 GBP
View
Most Expensive
B
NZ Jewellers
3a0a683c-6847-478a-8fd9-c7ff839e6d66 · Oct 30
$1,926 USD
View
14 more retailers have this diamond
Prices start from $496 USDSave up to $1,430 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
$496 USD