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Round|Natural|GIA

0.50ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 1515555934

Certificate GIA 1515555934

Diamond specifications and retailer prices

From $1,236 AUD
As of November 4, 2026
Save $2,447 AUD (66%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,683 AUD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.5ct natural round diamond

This 0.5ct natural round sits in the half to three-quarter carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1515555934. Listed at 19 retailers as of November 4, 2026, with prices from $1,236 to $3,683, a $2,447 spread on the same certified stone. NZ Jewellers lists it at $3,683. 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1515555934
Dimensions5.16 × 5.15 × 3.11 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud
Top View
5.16 mm5.15 mm0.50 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1515555934
Side View
Table 60.0%Crown 33°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 60.3%

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 4
Current: $1,743 AUD|Low: $1,051 AUD|High: $2,798 AUD|Avg: $1,732 AUD|+3.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 3$1,236 AUD
Retailer 5$1,261 AUD
Retailer 6$1,360 AUD
Retailer 1$1,743 AUD
Retailer 2$1,940 AUD
Retailer 4$2,768 AUD

40 data points across 6 retailers

19 retailers$1,236 AUD to $3,683 AUD

A
Cheapest Retailer
-
$1,236 AUD
B+
Retailer 2
-
$1,261 AUD
View
Final sale: no returns
B+
Retailer 3
-
$1,350 AUD
View
B+
Retailer 4
-
$1,359 AUD
View
B+
Retailer 5
-
$1,360 AUD
View
B+
Retailer 6
-
$1,367 AUD
View
B+
Retailer 7
-
$1,381 AUD
View
B+
Retailer 8
-
$1,420 AUD
View
B+
Retailer 9
-
$1,578 AUD
View
B+
Retailer 10
-
$1,657 AUD
View
B+
Retailer 11
-
$1,657 AUD
View
B+
Retailer 12
-
$1,700 AUD
View
B+
Retailer 13
-
$1,714 AUD
View
B+
Retailer 14
-
$1,743 AUD
View
B
Retailer 15
-
$1,940 AUD
View
B
Retailer 16
-
$2,040 AUD
View
B
Retailer 17
-
$2,447 AUD
View
Retailer 18
-
$2,768 AUD
View
Price last confirmed 11 days ago
Most Expensive
B
NZ Jewellers
d2356e8f-e465-48bd-bc69-bade18fb2a99 · Nov 4
$3,683 AUD
$2,578 USD
View
18 more retailers have this diamond
Prices start from $1,236 AUDSave up to $2,447 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 Round
$1,236 AUD