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Marquise|Natural|GIA

0.50ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 1553743254

Certificate GIA 1553743254

Diamond specifications and retailer prices

From $632 SGD
₹47,101 INR
As of November 1, 2026
Save $2,018 SGD (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,650 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 1553743254. Listed at 15 retailers as of October 30, 2026, with prices from $632 to $2,650, a $2,018 spread on the same certified stone. NZ Jewellers lists it at $2,650. 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 1553743254
Dimensions8.70 × 4.09 × 2.36 mm
L/W Ratio2.13
Culet sizeNone
Key to symbols
Crystal
Top View
8.70 mm4.09 mm0.50 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1553743254
Side View
Table 58.0%CrownGirdle: STK-STKPavilionCulet: NoneDepth 57.8%

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: $2,650 SGD|Low: $631 SGD|High: $2,650 SGD|Avg: $1,099 SGD
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
November 1, 2026
Retailer 2$632 SGD
Retailer 3$720 SGD
Retailer 4$780 SGD
Retailer 6$786 SGD
Retailer 15$845 SGD
Retailer 14$877 SGD
Retailer 7$886 SGD
Retailer 11$975 SGD
Retailer 5$1,000 SGD
Retailer 8$1,009 SGD
Retailer 9$1,052 SGD
Retailer 13$1,059 SGD
Retailer 12$1,153 SGD
Retailer 10$1,952 SGD
NZ Jewellers$2,650 SGD

25 data points across 15 retailers

15 retailers$632 SGD to $2,650 SGD

A
Cheapest Retailer
-
$632 SGD
₹47,101 INR
A
Retailer 2
-
$720 SGD
HK$4,400 HKD
View
A
Retailer 3
-
$780 SGD
$610 USD
View
Final sale: no returns
Retailer 4
-
$786 SGD
$615 USD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$845 SGD
$661 USD
View
A
Retailer 6
-
$877 SGD
$686 USD
View
A
Retailer 7
-
$886 SGD
View
A
Retailer 8
-
$975 SGD
$763 USD
View
A
Retailer 9
-
$1,000 SGD
$782 USD
View
A
Retailer 10
-
$1,009 SGD
£622 GBP
View
A
Retailer 11
-
$1,052 SGD
£648 GBP
View
A
Retailer 12
-
$1,059 SGD
£652 GBP
View
B+
Retailer 13
-
$1,153 SGD
€859 EUR
View
B
Retailer 14
-
$1,952 SGD
£1,202 GBP
View
Most Expensive
B
NZ Jewellers
a5c85196-28b6-45a5-9ed9-f5e4f6c0497d · Oct 30
$2,650 SGD
$2,073 USD
View
14 more retailers have this diamond
Prices start from $632 SGDSave up to $2,018 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
$632 SGD