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Marquise|Natural|GIA

0.50ct F SI2 Marquise Natural Diamond

EX • F/SI2 • GIA 7556190821

Certificate GIA 7556190821

Diamond specifications and retailer prices

From $606 SGD
$474 USD
As of November 2, 2026
Save $1,387 SGD (70%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,993 SGD at MOH London · As of November 2, 2026
View at MOH London

About this 0.5ct natural marquise diamond

This 0.5ct natural marquise sits in the half to three-quarter carat band, graded F 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 7556190821. Listed at 9 retailers as of November 2, 2026, with prices from $606 to $1,993, a $1,387 spread on the same certified stone. MOH London lists it at $1,993. 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
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7556190821
Dimensions7.84 × 4.13 × 2.57 mm
L/W Ratio1.90
Key to symbols
Feather
Top View
7.84 mm4.13 mm0.50 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7556190821
Side View
Table 58.0%CrownGirdle: STK-STKPavilionCulet: NoneDepth 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 2
Current: $1,993 SGD|Low: $606 SGD|High: $2,016 SGD|Avg: $1,110 SGD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 3, 2026
Retailer 6$606 SGD
Retailer 3$645 SGD
Retailer 5$806 SGD
Retailer 8$1,015 SGD
Retailer 2$1,074 SGD
Retailer 7$1,116 SGD
Retailer 4$1,229 SGD
MOH London$1,993 SGD

46 data points across 8 retailers

9 retailers$606 SGD to $1,993 SGD

A
Cheapest Retailer
-
$606 SGD
$474 USD
Final sale: no returns
A
Retailer 2
-
$645 SGD
₹48,035 INR
View
A
Retailer 3
-
$737 SGD
HK$4,500 HKD
View
A
Retailer 4
-
$905 SGD
View
B+
Retailer 5
-
$1,015 SGD
$794 USD
View
B+
Retailer 6
-
$1,074 SGD
£662 GBP
View
Retailer 7
-
$1,116 SGD
£687 GBP
View
Price last confirmed 37 days ago
B+
Retailer 8
-
$1,229 SGD
€915 EUR
View
Most Expensive
B
MOH London
E05BE71E9 · Nov 2
$1,993 SGD
£1,227 GBP
View
8 more retailers have this diamond
Prices start from $606 SGDSave up to $1,387 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
$606 SGD