Round|Natural|GIA

0.50ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 7486051816

Certificate GIA 7486051816

Diamond specifications and retailer prices

From $591 USD
As of November 6, 2026
Save $1,370 USD (70%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $2,514 USD at NZ Jewellers · As of October 17, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7486051816. Listed at 27 retailers as of November 5, 2026, with a 232% 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
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7486051816
Dimensions5.23 × 5.20 × 3.06 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeVery Small
Key to symbols
Feather, Cavity
Top View
5.23 mm5.20 mm0.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7486051816
Side View
Table 61.0%Crown 33°Girdle: THN-MEDPavilion 40.8°Culet: Very SmallDepth 58.6%

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: $591 USD|Low: $591 USD|High: $1,485 USD|Avg: $1,005 USD|-2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 1$591 USD
Retailer 10$739 USD
Retailer 8$802 USD
Retailer 3$944 USD
Retailer 4$965 USD
Retailer 9$970 USD
Retailer 7$1,036 USD
Retailer 2$1,205 USD
Retailer 5$1,237 USD
Retailer 6$1,466 USD

39 data points across 10 retailers

27 retailers$591 USD to $1,961 USD

A
Cheapest Retailer
-
$591 USD
B+
Retailer 2
-
$739 USD
View
Final sale: no returns
B+
Retailer 3
-
$745 USD
View
Retailer 4
-
$800 USD
View
Price last confirmed 32 days ago
Retailer 5
-
$802 USD
View
Price last confirmed 20 days ago
Retailer 6
-
$802 USD
View
Price last confirmed 8 days ago
Retailer 7
-
$802 USD
View
Price last confirmed 39 days ago
Retailer 8
-
$802 USD
View
Price last confirmed 21 days ago
B+
Retailer 9
-
$802 USD
View
B+
Retailer 10
-
$812 USD
View
Retailer 11
-
$833 USD
View
Price last confirmed 22 days ago
B+
Retailer 12
-
$880 USD
View
Retailer 13
-
$925 USD
View
Price last confirmed 40 days ago
B+
Retailer 14
-
$925 USD
View
Retailer 15
-
$925 USD
View
Price last confirmed 10 days ago
B+
Retailer 16
-
$934 USD
View
B+
Retailer 17
-
$944 USD
View
B+
Retailer 18
-
$965 USD
View
B
Retailer 19
-
$970 USD
View
B+
Retailer 20
-
$1,036 USD
View
B+
Retailer 21
-
$1,079 USD
View
Retailer 22
-
$1,205 USD
View
Price last confirmed 32 days ago
B
Retailer 23
-
$1,237 USD
View
B
Retailer 24
-
$1,466 USD
View
B
Retailer 25
-
$1,961 USD
View
Retailer 26
-
$2,514 USD
View
Price under review
Most Expensive
NZ Jewellers
ef4dbefb-18de-41bf-9ca1-294019955565 · Oct 17
$2,514 USD
View
Price under review
26 more retailers have this diamond
Prices start from $591 USDSave up to $1,370 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
$591 USD