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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 $634 SGD
₹47,196 INR
As of November 1, 2026
Save $1,829 SGD (74%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,462 SGD 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 $634 to $2,462, a $1,829 spread on the same certified stone. NZ Jewellers lists it at $2,462. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $634 SGD|Low: $632 SGD|High: $1,835 SGD|Avg: $968 SGD|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 1$634 SGD
Retailer 7$719 SGD
Retailer 8$724 SGD
Retailer 2$799 SGD
Retailer 9$845 SGD
Retailer 10$949 SGD
Retailer 3$965 SGD
Retailer 6$984 SGD
Retailer 5$1,158 SGD
Retailer 4$1,814 SGD

37 data points across 10 retailers

15 retailers$634 SGD to $2,462 SGD

A
Cheapest Retailer
-
$634 SGD
₹47,196 INR
Retailer 2
-
$719 SGD
View
Price last confirmed 10 days ago
A
Retailer 3
-
$724 SGD
$566 USD
View
Final sale: no returns
A
Retailer 4
-
$785 SGD
$614 USD
View
A
Retailer 5
-
$799 SGD
$625 USD
View
A
Retailer 6
-
$845 SGD
$661 USD
View
A
Retailer 7
-
$845 SGD
$661 USD
View
A
Retailer 8
-
$905 SGD
$708 USD
View
Retailer 9
-
$949 SGD
£585 GBP
View
Price last confirmed 32 days ago
A
Retailer 10
-
$954 SGD
$746 USD
View
A
Retailer 11
-
$965 SGD
£594 GBP
View
A
Retailer 12
-
$984 SGD
£606 GBP
View
B+
Retailer 13
-
$1,158 SGD
€863 EUR
View
B
Retailer 14
-
$1,814 SGD
£1,117 GBP
View
Most Expensive
B
NZ Jewellers
3a0a683c-6847-478a-8fd9-c7ff839e6d66 · Oct 30
$2,462 SGD
$1,926 USD
View
14 more retailers have this diamond
Prices start from $634 SGDSave up to $1,829 SGD

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
$634 SGD