Round|Natural|GIA

0.50ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 2397485223

Certificate GIA 2397485223

Diamond specifications and retailer prices

From $281 USD
As of November 6, 2026
Save $286 USD (50%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,270 USD at NZ Jewellers · As of October 26, 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2397485223. Listed at 15 retailers as of November 6, 2026, with a 102% 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
K
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2397485223
Dimensions5.15 × 5.13 × 3.10 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
5.15 mm5.13 mm0.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2397485223
Side View
Table 61.0%Crown 32.5°Girdle: Slightly ThickPavilion 41.4°Culet: NoneDepth 60.2%

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: $1,270 USD|Low: $321 USD|High: $1,270 USD|Avg: $584 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5$322 USD
Retailer 2$348 USD
Retailer 8$356 USD
Retailer 7$370 USD
Retailer 9$510 USD
Retailer 4$543 USD
Retailer 3$567 USD
Retailer 6$767 USD
NZ Jewellers$1,270 USD

43 data points across 9 retailers

15 retailers$281 USD to $567 USD

A
Cheapest Retailer
-
$281 USD
A
Retailer 2
-
$322 USD
View
Retailer 3
-
$331 USD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$348 USD
View
Retailer 5
-
$350 USD
View
Price last confirmed 16 days ago
Retailer 6
-
$357 USD
View
Price last confirmed 12 days ago
Retailer 7
-
$370 USD
View
Price last confirmed 12 days ago
A
Retailer 8
-
$419 USD
View
Retailer 9
-
$446 USD
View
Price last confirmed 10 days ago
Retailer 10
-
$462 USD
View
Price last confirmed 12 days ago
Retailer 11
-
$510 USD
View
Price last confirmed 11 days ago
B+
Retailer 12
-
$543 USD
View
B+
Retailer 13
-
$567 USD
View
Retailer 14
-
$767 USD
View
Price last confirmed 11 days ago
Most Expensive
NZ Jewellers
710d5dfe-f343-48a6-8018-a5cc2b709748 · Oct 26
$1,270 USD
View
Price last confirmed 10 days ago
14 more retailers have this diamond
Prices start from $281 USDSave up to $286 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
$281 USD