CaratHunter
Plans
Marquise|Natural|GIA

0.50ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 1525288240

Certificate GIA 1525288240

Diamond specifications and retailer prices

From $521 USD
As of November 6, 2026
Save $1,115 USD (68%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,636 USD at MOH London · As of November 4, 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 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 1525288240. Listed at 6 retailers as of November 4, 2026, with prices from $521 to $1,636, a $1,115 spread on the same certified stone. MOH London lists it at $1,636. 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
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1525288240
Dimensions8.49 × 4.10 × 2.35 mm
L/W Ratio2.07
Culet sizeNone
Key to symbols
Feather, Cloud
Top View
8.49 mm4.10 mm0.50 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1525288240
Side View
Table 61.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 57.3%

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 6
Current: $1,636 USD|Low: $521 USD|High: $1,657 USD|Avg: $1,002 USD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 2$521 USD
Retailer 4$841 USD
Retailer 3$1,001 USD
MOH London$1,636 USD

41 data points across 4 retailers

6 retailers$521 USD to $1,636 USD

A
Cheapest Retailer
-
$521 USD
B+
Retailer 2
-
$803 USD
View
B+
Retailer 3
-
$841 USD
View
Retailer 4
-
$917 USD
View
Price last confirmed 41 days ago
B+
Retailer 5
-
$1,001 USD
View
Most Expensive
B
MOH London
1A2207265 · Nov 4
$1,636 USD
£1,288 GBP
View
5 more retailers have this diamond
Prices start from $521 USDSave up to $1,115 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.

A
0.50ct Marquise
$521 USD