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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 $865 USD
As of November 4, 2026
Save $1,713 USD (66%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,578 USD 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 $865 to $2,578, a $1,713 spread on the same certified stone. NZ Jewellers lists it at $2,578. 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

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: $1,220 USD|Low: $736 USD|High: $1,959 USD|Avg: $1,213 USD|+3.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 3$865 USD
Retailer 5$883 USD
Retailer 6$952 USD
Retailer 1$1,220 USD
Retailer 2$1,358 USD
Retailer 4$1,938 USD

40 data points across 6 retailers

19 retailers$865 USD to $2,578 USD

A
Cheapest Retailer
-
$865 USD
B+
Retailer 2
-
$883 USD
View
Final sale: no returns
B+
Retailer 3
-
$945 USD
View
B+
Retailer 4
-
$951 USD
View
B+
Retailer 5
-
$952 USD
View
B+
Retailer 6
-
$957 USD
View
B+
Retailer 7
-
$967 USD
View
B+
Retailer 8
-
$994 USD
View
B+
Retailer 9
-
$1,105 USD
View
B+
Retailer 10
-
$1,160 USD
View
B+
Retailer 11
-
$1,160 USD
View
B+
Retailer 12
-
$1,190 USD
View
B+
Retailer 13
-
$1,200 USD
View
B+
Retailer 14
-
$1,220 USD
View
B
Retailer 15
-
$1,358 USD
View
B
Retailer 16
-
$1,428 USD
View
B
Retailer 17
-
$1,713 USD
View
Retailer 18
-
$1,938 USD
View
Price last confirmed 11 days ago
Most Expensive
B
NZ Jewellers
d2356e8f-e465-48bd-bc69-bade18fb2a99 · Nov 4
$2,578 USD
View
18 more retailers have this diamond
Prices start from $865 USDSave up to $1,713 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 Round
$865 USD