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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 $1,539 NZD
As of November 4, 2026
Save $3,047 NZD (66%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,586 NZD 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 $1,539 to $4,586, a $3,047 spread on the same certified stone. NZ Jewellers lists it at $4,586. 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: $2,170 NZD|Low: $1,309 NZD|High: $3,485 NZD|Avg: $2,157 NZD|+3.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 3$1,539 NZD
Retailer 5$1,571 NZD
Retailer 6$1,694 NZD
Retailer 1$2,170 NZD
Retailer 2$2,416 NZD
Retailer 4$3,448 NZD

40 data points across 6 retailers

19 retailers$1,539 NZD to $4,586 NZD

A
Cheapest Retailer
-
$1,539 NZD
B+
Retailer 2
-
$1,571 NZD
View
Final sale: no returns
B+
Retailer 3
-
$1,681 NZD
View
B+
Retailer 4
-
$1,692 NZD
View
B+
Retailer 5
-
$1,694 NZD
View
B+
Retailer 6
-
$1,702 NZD
View
B+
Retailer 7
-
$1,720 NZD
View
B+
Retailer 8
-
$1,768 NZD
View
B+
Retailer 9
-
$1,966 NZD
View
B+
Retailer 10
-
$2,064 NZD
View
B+
Retailer 11
-
$2,064 NZD
View
B+
Retailer 12
-
$2,117 NZD
View
B+
Retailer 13
-
$2,135 NZD
View
B+
Retailer 14
-
$2,170 NZD
View
B
Retailer 15
-
$2,416 NZD
View
B
Retailer 16
-
$2,540 NZD
View
B
Retailer 17
-
$3,047 NZD
View
Retailer 18
-
$3,448 NZD
View
Price last confirmed 11 days ago
Most Expensive
B
NZ Jewellers
d2356e8f-e465-48bd-bc69-bade18fb2a99 · Nov 4
$4,586 NZD
$2,578 USD
View
18 more retailers have this diamond
Prices start from $1,539 NZDSave up to $3,047 NZD

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
$1,539 NZD