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Marquise|Natural|GIA

0.50ct K SI1 Marquise Natural Diamond

ID • K/SI1 • GIA 2

Certificate GIA 2

Diamond specifications and retailer prices

From $838 SGD
As of November 6, 2026
Save $158 SGD (16%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $996 SGD at DreamStone · As of November 4, 2026
View at DreamStone

About this 0.5ct natural marquise diamond

This 0.5ct natural marquise sits in the half to three-quarter carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 3 retailers as of November 4, 2026, with prices from $838 to $996, a $158 spread on the same certified stone. DreamStone lists it at $996. 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
K
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2
Dimensions7.68 × 4.26 × 2.62 mm
L/W Ratio1.80
Top View
7.68 mm4.26 mm0.50 ctK / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 61.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $996 SGD|Low: $838 SGD|High: $996 SGD|Avg: $911 SGD
DreamStone
Retailer 2
Retailer 3
September 26, 2026
Retailer 3$838 SGD
Retailer 2$885 SGD
DreamStone$996 SGD

2 data points across 3 retailers

3 retailers$838 SGD to $996 SGD

B+
Cheapest Retailer
-
$838 SGD
B+
Retailer 2
-
$885 SGD
View
Most Expensive
B
DreamStone
636c1d5b76315c1dde59c182 · Nov 4
$996 SGD
$780 USD
View
2 more retailers have this diamond
Prices start from $838 SGDSave up to $158 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.

B+
0.50ct Marquise
$838 SGD