Round|Natural|GIA

0.50ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 5446971593

Certificate GIA 5446971593

Diamond specifications and retailer prices

From $508 USD
As of November 6, 2026
Save $1,127 USD (69%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,222 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5446971593. Listed at 20 retailers as of November 2, 2026, with a 222% 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
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 5446971593
Dimensions5.10 × 5.07 × 3.16 mm
L/W Ratio1.01
Top View
5.10 mm5.07 mm0.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5446971593
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41.4°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: $853 USD|Low: $508 USD|High: $1,656 USD|Avg: $880 USD|+30.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 2$508 USD
Retailer 8$654 USD
Retailer 6$695 USD
Retailer 1$853 USD
Retailer 4$862 USD
Retailer 3$911 USD
Retailer 5$919 USD
Retailer 7$1,635 USD

28 data points across 8 retailers

20 retailers$508 USD to $1,635 USD

A
Cheapest Retailer
-
$508 USD
A
Retailer 2
-
$588 USD
View
B+
Retailer 3
-
$654 USD
View
Final sale: no returns
B+
Retailer 4
-
$670 USD
View
B+
Retailer 5
-
$695 USD
View
B+
Retailer 6
-
$709 USD
View
Retailer 7
-
$709 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$727 USD
View
B+
Retailer 9
-
$736 USD
View
B+
Retailer 10
-
$798 USD
View
B+
Retailer 11
-
$818 USD
View
B+
Retailer 12
-
$840 USD
View
B+
Retailer 13
-
$853 USD
View
B+
Retailer 14
-
$862 USD
View
B+
Retailer 15
-
$911 USD
View
B+
Retailer 16
-
$919 USD
View
B+
Retailer 17
-
$933 USD
View
B
Retailer 18
-
$1,602 USD
View
B
Retailer 19
-
$1,635 USD
View
Most Expensive
NZ Jewellers
d8882e5a-e6f1-48a1-95e7-506ba35697ac · Nov 4
$2,222 USD
View
Price under review
19 more retailers have this diamond
Prices start from $508 USDSave up to $1,127 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
$508 USD