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Round|Natural|GIA

0.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6552576591

Certificate GIA 6552576591

Diamond specifications and retailer prices

From $839 NZD
As of November 6, 2026
Save $2,939 NZD (78%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $3,777 NZD at NZ Jewellers · As of November 6, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552576591. Listed at 29 retailers as of November 6, 2026, with prices from $839 to $3,777, a $2,939 spread on the same certified stone. NZ Jewellers lists it at $3,777. 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 angle34.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6552576591
Dimensions5.04 × 5.07 × 3.16 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather
Top View
5.04 mm5.07 mm0.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552576591
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.5%

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: $1,550 NZD|Low: $839 NZD|High: $3,007 NZD|Avg: $1,665 NZD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11$839 NZD
Retailer 7$911 NZD
Retailer 3$1,174 NZD
Retailer 9$1,434 NZD
Retailer 4$1,463 NZD
Retailer 1$1,550 NZD
Retailer 5$1,600 NZD
Retailer 2$1,809 NZD
Retailer 6$1,858 NZD
Retailer 8$2,778 NZD
Retailer 10$3,007 NZD

38 data points across 11 retailers

29 retailers$839 NZD to $3,777 NZD

A
Cheapest Retailer
-
$839 NZD
Final sale: no returns
A
Retailer 2
-
$911 NZD
View
A
Retailer 3
-
$1,091 NZD
View
Retailer 4
-
$1,118 NZD
View
Price last confirmed 44 days ago
A
Retailer 5
-
$1,126 NZD
View
A
Retailer 6
-
$1,136 NZD
View
Retailer 7
-
$1,174 NZD
View
Price last confirmed 22 days ago
B+
Retailer 8
-
$1,174 NZD
View
B+
Retailer 9
-
$1,203 NZD
View
B+
Retailer 10
-
$1,259 NZD
View
B+
Retailer 11
-
$1,279 NZD
View
B+
Retailer 12
-
$1,292 NZD
View
B+
Retailer 13
-
$1,333 NZD
View
B+
Retailer 14
-
$1,389 NZD
View
B+
Retailer 15
-
$1,389 NZD
View
B+
Retailer 16
-
$1,425 NZD
View
B
Retailer 17
-
$1,434 NZD
View
B+
Retailer 18
-
$1,440 NZD
View
B+
Retailer 19
-
$1,463 NZD
View
B+
Retailer 20
-
$1,524 NZD
View
B+
Retailer 21
-
$1,550 NZD
View
B+
Retailer 22
-
$1,600 NZD
View
B+
Retailer 23
-
$1,676 NZD
View
Retailer 24
-
$1,809 NZD
View
Price last confirmed 34 days ago
B
Retailer 25
-
$1,858 NZD
View
B
Retailer 26
-
$2,778 NZD
View
B
Retailer 27
-
$3,007 NZD
View
B
Retailer 28
-
$3,456 NZD
View
Most Expensive
B
NZ Jewellers
cf69cd33-9a1a-4024-aa60-a002fac21ee3 · Nov 6
$3,777 NZD
$2,094 USD
View
28 more retailers have this diamond
Prices start from $839 NZDSave up to $2,939 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
$839 NZD