Marquise|Natural|GIA

0.50ct H SI2 Marquise Natural Diamond

EX • H/SI2 • GIA 5543557515

Certificate GIA 5543557515

Diamond specifications and retailer prices

From $685 USD
As of October 31, 2026
Save $821 USD (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,506 USD at MOH London · As of November 1, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5543557515. Listed at 17 retailers as of October 31, 2026, with prices from $685 to $1,506, a $821 spread on the same certified stone. MOH London lists it at $1,506. 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
H
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5543557515
Dimensions8.55 × 3.88 × 2.48 mm
L/W Ratio2.20
Top View
8.55 mm3.88 mm0.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5543557515
Side View
Table 58.0%CrownGirdle: VTK-ETKPavilionCulet: NDepth 63.7%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: $1,506 USD|Low: $745 USD|High: $2,580 USD|Avg: $1,168 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 7$745 USD
Retailer 11$745 USD
Retailer 5$774 USD
Retailer 8$860 USD
Retailer 10$919 USD
Retailer 2$982 USD
Retailer 4$1,162 USD
Retailer 3$1,238 USD
Retailer 9$1,323 USD
MOH London$1,506 USD
Retailer 6$2,580 USD

44 data points across 11 retailers

17 retailers$685 USD to $1,506 USD

B+
Cheapest Retailer
-
$685 USD
B+
Retailer 2
-
$745 USD
View
B+
Retailer 3
-
$745 USD
View
B+
Retailer 4
-
$752 USD
View
B+
Retailer 5
-
$757 USD
View
B+
Retailer 6
-
$774 USD
View
B
Retailer 7
-
$846 USD
View
B
Retailer 8
-
$860 USD
View
B
Retailer 9
-
$919 USD
View
B
Retailer 10
-
$920 USD
View
B
Retailer 11
-
$920 USD
View
B
Retailer 12
-
$950 USD
View
B
Retailer 13
-
$982 USD
£773 GBP
View
B
Retailer 14
-
$1,162 USD
€1,107 EUR
View
B
Retailer 15
-
$1,323 USD
CA$1,837 CAD
View
Most Expensive
B
MOH London
AE1889CAC · Nov 1
$1,506 USD
£1,186 GBP
View
15 more retailers have this diamond
Prices start from $685 USDSave up to $821 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.

B+
0.50ct Marquise
$685 USD