Marquise|Natural|GIA

0.50ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 6561696251

Certificate GIA 6561696251

Diamond specifications and retailer prices

From $688 AUD
₹45,947 INR
As of November 2, 2026
Save $2,180 AUD (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,868 AUD 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 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 6561696251. Listed at 18 retailers as of October 30, 2026, with prices from $688 to $2,868, a $2,180 spread on the same certified stone. NZ Jewellers lists it at $2,868. 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
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6561696251
Dimensions7.95 × 4.10 × 2.64 mm
L/W Ratio1.94
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
7.95 mm4.10 mm0.50 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6561696251
Side View
Table 58.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 64.5%

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: $2,868 AUD|Low: $641 AUD|High: $2,868 AUD|Avg: $1,178 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 2$688 AUD
Retailer 13$828 AUD
Retailer 4$845 AUD
Retailer 8$845 AUD
Retailer 16$863 AUD
Retailer 6$915 AUD
Retailer 7$985 AUD
Retailer 10$985 AUD
Retailer 5$1,056 AUD
Retailer 17$1,074 AUD
Retailer 11$1,093 AUD
Retailer 9$1,103 AUD
Retailer 14$1,110 AUD
Retailer 12$1,117 AUD
Retailer 3$1,146 AUD
Retailer 15$1,345 AUD
Retailer 18$2,124 AUD
NZ Jewellers$2,868 AUD

11 data points across 18 retailers

18 retailers$688 AUD to $2,868 AUD

A
Cheapest Retailer
-
$688 AUD
₹45,947 INR
A
Retailer 2
-
$828 AUD
$580 USD
View
A
Retailer 3
-
$845 AUD
$592 USD
View
Final sale: no returns
A
Retailer 4
-
$845 AUD
$592 USD
View
A
Retailer 5
-
$863 AUD
View
A
Retailer 6
-
$915 AUD
$641 USD
View
A
Retailer 7
-
$985 AUD
$690 USD
View
A
Retailer 8
-
$985 AUD
$690 USD
View
A
Retailer 9
-
$1,056 AUD
$740 USD
View
A
Retailer 10
-
$1,074 AUD
$753 USD
View
A
Retailer 11
-
$1,093 AUD
£603 GBP
View
A
Retailer 12
-
$1,103 AUD
$773 USD
View
A
Retailer 13
-
$1,110 AUD
$778 USD
View
A
Retailer 14
-
$1,117 AUD
£616 GBP
View
A
Retailer 15
-
$1,146 AUD
£633 GBP
View
B+
Retailer 16
-
$1,345 AUD
€898 EUR
View
B
Retailer 17
-
$2,124 AUD
£1,172 GBP
View
Most Expensive
B
NZ Jewellers
5d464f11-5a41-490d-ae08-f33b24486331 · Oct 30
$2,868 AUD
$2,010 USD
View
17 more retailers have this diamond
Prices start from $688 AUDSave up to $2,180 AUD

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
$688 AUD