Marquise|Natural|GIA

0.50ct I SI2 Marquise Natural Diamond

VG • I/SI2 • GIA 6561734759

Certificate GIA 6561734759

Diamond specifications and retailer prices

From $515 USD
As of November 1, 2026
Save $1,099 USD (68%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,614 USD 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6561734759. Listed at 6 retailers as of October 30, 2026, with prices from $515 to $1,614, a $1,099 spread on the same certified stone. NZ Jewellers lists it at $1,614. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.50
Carat
I
Color
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6561734759
Dimensions8.87 × 4.00 × 2.58 mm
L/W Ratio2.22
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal
Top View
8.87 mm4.00 mm0.50 ctI / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6561734759
Side View
Table 57.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 64.4%

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: $1,614 USD|Low: $515 USD|High: $1,614 USD|Avg: $967 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 4$515 USD
Retailer 2$615 USD
Retailer 3$730 USD
Retailer 5$1,189 USD
NZ Jewellers$1,614 USD

4 data points across 5 retailers

6 retailers$515 USD to $1,614 USD

A
Cheapest Retailer
-
$515 USD
A
Retailer 2
-
$523 USD
SGD 707 SGD
View
B+
Retailer 3
-
$615 USD
£484 GBP
View
B+
Retailer 4
-
$730 USD
€695 EUR
View
C
Retailer 5
-
$1,189 USD
£936 GBP
View
Most Expensive
C
NZ Jewellers
4fd195cc-9511-49d6-9086-2a765a2135eb · Oct 30
$1,614 USD
View
5 more retailers have this diamond
Prices start from $515 USDSave up to $1,099 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
$515 USD