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Round|Natural|GIA

0.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1569388017

Certificate GIA 1569388017

Diamond specifications and retailer prices

From $383 USD
As of November 6, 2026
Save $1,480 USD (79%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,863 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1569388017. Listed at 21 retailers as of November 4, 2026, with prices from $383 to $1,863, a $1,480 spread on the same certified stone. NZ Jewellers lists it at $1,863. 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
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1569388017
Dimensions5.04 × 5.09 × 3.15 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud
Top View
5.04 mm5.09 mm0.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1569388017
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.2%

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: $1,863 USD|Low: $383 USD|High: $1,863 USD|Avg: $671 USD|+14.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 2$383 USD
Retailer 4$468 USD
Retailer 17$475 USD
Retailer 9$480 USD
Retailer 6$520 USD
Retailer 16$524 USD
Retailer 10$527 USD
Retailer 13$546 USD
Retailer 8$560 USD
Retailer 3$601 USD
Retailer 14$649 USD
Retailer 15$654 USD
Retailer 12$669 USD
Retailer 11$705 USD
Retailer 5$722 USD
Retailer 7$734 USD
Retailer 18$1,201 USD
NZ Jewellers$1,863 USD

22 data points across 18 retailers

21 retailers$383 USD to $1,863 USD

A
Cheapest Retailer
-
$383 USD
A
Retailer 2
-
$448 USD
View
A
Retailer 3
-
$468 USD
View
A
Retailer 4
-
$475 USD
View
A
Retailer 5
-
$480 USD
View
Final sale: no returns
A
Retailer 6
-
$520 USD
View
A
Retailer 7
-
$524 USD
View
Retailer 8
-
$527 USD
View
Price last confirmed 19 days ago
A
Retailer 9
-
$546 USD
View
A
Retailer 10
-
$560 USD
View
A
Retailer 11
-
$601 USD
View
A
Retailer 12
-
$649 USD
View
B+
Retailer 13
-
$654 USD
View
B+
Retailer 14
-
$669 USD
View
B+
Retailer 15
-
$705 USD
View
B+
Retailer 16
-
$722 USD
View
B+
Retailer 17
-
$734 USD
View
Retailer 18
-
$811 USD
View
Price last confirmed 36 days ago
Retailer 19
-
$834 USD
View
Price last confirmed 37 days ago
B
Retailer 20
-
$1,201 USD
View
Most Expensive
C
NZ Jewellers
1572845e-f818-4d3b-bd7e-35ce98bf23b7 · Nov 4
$1,863 USD
View
20 more retailers have this diamond
Prices start from $383 USDSave up to $1,480 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
$383 USD