CaratHunter
Plans
Marquise|Natural|GIA

0.50ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 2546733758

Certificate GIA 2546733758

Diamond specifications and retailer prices

From $949 AUD
As of November 6, 2026
Save $1,403 AUD (60%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,029 AUD at NZ Jewellers · As of November 5, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2546733758. Listed at 20 retailers as of November 2, 2026, with a 148% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2546733758
Dimensions9.19 × 4.04 × 2.34 mm
L/W Ratio2.27
Top View
9.19 mm4.04 mm0.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2546733758
Side View
Table 59.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 58.0%

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: $1,567 AUD|Low: $1,086 AUD|High: $2,380 AUD|Avg: $1,612 AUD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 2$1,147 AUD
Retailer 10$1,186 AUD
Retailer 11$1,301 AUD
Retailer 5$1,330 AUD
Retailer 4$1,335 AUD
Retailer 7$1,486 AUD
Retailer 12$1,514 AUD
Retailer 1$1,567 AUD
Retailer 8$1,806 AUD
Retailer 3$1,931 AUD
Retailer 6$1,982 AUD
Retailer 9$2,352 AUD

38 data points across 12 retailers

20 retailers$949 AUD to $2,352 AUD

A
Cheapest Retailer
-
$949 AUD
A
Retailer 2
-
$1,147 AUD
View
B+
Retailer 3
-
$1,186 AUD
View
Final sale: no returns
Retailer 4
-
$1,285 AUD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
$1,285 AUD
View
B+
Retailer 6
-
$1,301 AUD
View
B+
Retailer 7
-
$1,330 AUD
View
B+
Retailer 8
-
$1,335 AUD
View
B+
Retailer 9
-
$1,477 AUD
View
B+
Retailer 10
-
$1,483 AUD
View
B+
Retailer 11
-
$1,486 AUD
View
B+
Retailer 12
-
$1,514 AUD
View
B+
Retailer 13
-
$1,567 AUD
View
B+
Retailer 14
-
$1,672 AUD
View
B+
Retailer 15
-
$1,701 AUD
View
B+
Retailer 16
-
$1,806 AUD
View
Retailer 17
-
$1,931 AUD
View
Price last confirmed 33 days ago
B
Retailer 18
-
$1,982 AUD
View
B
Retailer 19
-
$2,352 AUD
View
Most Expensive
NZ Jewellers
e75d2e8f-8754-4b98-8c74-b82cbab82265 · Nov 5
$4,029 AUD
$2,768 USD
View
Price under review
19 more retailers have this diamond
Prices start from $949 AUDSave up to $1,403 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
$949 AUD