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Round|Natural|GIA

0.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6422948574

Certificate GIA 6422948574

Diamond specifications and retailer prices

From $830 NZD
As of November 7, 2026
Save $2,832 NZD (77%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $4,035 NZD at VYOR · As of November 7, 2026
View at VYOR

About this 0.5ct natural round diamond

This 0.5ct natural round sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6422948574. Listed at 26 retailers as of November 6, 2026, with a 341% 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6422948574
Dimensions5.13 × 5.10 × 3.11 mm
L/W Ratio1.01
Top View
5.13 mm5.10 mm0.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6422948574
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.9%

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 7
Current: $830 NZD|Low: $830 NZD|High: $4,035 NZD|Avg: $1,533 NZD|-2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
VYOR
November 7, 2026
Retailer 1$830 NZD
Retailer 3$1,154 NZD
Retailer 12$1,192 NZD
Retailer 7$1,319 NZD
Retailer 11$1,416 NZD
Retailer 4$1,429 NZD
Retailer 8$1,477 NZD
Retailer 5$1,506 NZD
Retailer 13$1,510 NZD
Retailer 9$1,512 NZD
Retailer 6$1,629 NZD
Retailer 2$1,802 NZD
Retailer 10$2,682 NZD
VYOR$4,035 NZD

27 data points across 14 retailers

26 retailers$830 NZD to $3,662 NZD

A
Cheapest Retailer
-
$830 NZD
A
Retailer 2
-
$969 NZD
View
A
Retailer 3
-
$1,075 NZD
View
Final sale: no returns
A
Retailer 4
-
$1,104 NZD
View
B+
Retailer 5
-
$1,154 NZD
View
B+
Retailer 6
-
$1,167 NZD
View
B+
Retailer 7
-
$1,192 NZD
View
B+
Retailer 8
-
$1,257 NZD
View
B+
Retailer 9
-
$1,319 NZD
View
B+
Retailer 10
-
$1,348 NZD
View
B+
Retailer 11
-
$1,349 NZD
View
B+
Retailer 12
-
$1,405 NZD
View
B+
Retailer 13
-
$1,416 NZD
View
B+
Retailer 14
-
$1,429 NZD
View
B+
Retailer 15
-
$1,477 NZD
View
B
Retailer 16
-
$1,506 NZD
View
B+
Retailer 17
-
$1,510 NZD
View
B+
Retailer 18
-
$1,512 NZD
View
B
Retailer 19
-
$1,607 NZD
View
B+
Retailer 20
-
$1,629 NZD
View
Retailer 21
-
$1,755 NZD
View
Price last confirmed 33 days ago
B+
Retailer 22
-
$1,802 NZD
View
B
Retailer 23
-
$1,813 NZD
View
B
Retailer 24
-
$2,682 NZD
View
B
Retailer 25
-
$3,662 NZD
View
Most Expensive
VYOR
b6c2ede9-d08b-4312-aa26-450d9b06516b · Nov 7
$4,035 NZD
$2,237 USD
View
Price under review
25 more retailers have this diamond
Prices start from $830 NZDSave up to $2,832 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
$830 NZD