Round|Natural|GIA

0.50ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6542908337

Certificate GIA 6542908337

Diamond specifications and retailer prices

From $271 USD
As of November 6, 2026
Save $589 USD (68%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $860 USD at MOH London · As of November 4, 2026
View at MOH London

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 6542908337. Listed at 8 retailers as of November 4, 2026, with prices from $271 to $860, a $589 spread on the same certified stone. MOH London lists it at $860. 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
FluorescenceFaint
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6542908337
Dimensions5.07 × 5.11 × 3.14 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Top View
5.07 mm5.11 mm0.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6542908337
Side View
Table 59.0%Crown 35°Girdle: MediumPavilion 41°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $860 USD|Low: $271 USD|High: $866 USD|Avg: $490 USD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2$271 USD
Retailer 8$371 USD
Retailer 3$393 USD
Retailer 9$399 USD
Retailer 5$478 USD
Retailer 6$503 USD
Retailer 7$530 USD
Retailer 4$612 USD
MOH London$860 USD

18 data points across 9 retailers

8 retailers$271 USD to $860 USD

A
Cheapest Retailer
-
$271 USD
Retailer 2
-
$371 USD
View
Price last confirmed 38 days ago
A
Retailer 3
-
$393 USD
View
A
Retailer 4
-
$478 USD
View
B+
Retailer 5
-
$503 USD
View
B+
Retailer 6
-
$530 USD
View
B+
Retailer 7
-
$612 USD
View
Most Expensive
B
MOH London
A05AC4628 · Nov 4
$860 USD
£677 GBP
View
7 more retailers have this diamond
Prices start from $271 USDSave up to $589 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
$271 USD