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Round|Natural|GIA

0.50ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6542908337

Certificate GIA 6542908337

Diamond specifications and retailer prices

From $387 AUD
As of November 6, 2026
Save $841 AUD (68%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,228 AUD 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 $387 to $1,228, a $841 spread on the same certified stone. MOH London lists it at $1,228. 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
Colour
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: $1,228 AUD|Low: $387 AUD|High: $1,237 AUD|Avg: $699 AUD|-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$387 AUD
Retailer 8$530 AUD
Retailer 3$561 AUD
Retailer 9$570 AUD
Retailer 5$683 AUD
Retailer 6$719 AUD
Retailer 7$757 AUD
Retailer 4$874 AUD
MOH London$1,228 AUD

18 data points across 9 retailers

8 retailers$387 AUD to $1,228 AUD

A
Cheapest Retailer
-
$387 AUD
Retailer 2
-
$530 AUD
View
Price last confirmed 38 days ago
A
Retailer 3
-
$561 AUD
View
A
Retailer 4
-
$683 AUD
View
B+
Retailer 5
-
$719 AUD
View
B+
Retailer 6
-
$757 AUD
View
B+
Retailer 7
-
$874 AUD
View
Most Expensive
B
MOH London
A05AC4628 · Nov 4
$1,228 AUD
£677 GBP
View
7 more retailers have this diamond
Prices start from $387 AUDSave up to $841 AUD

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
$387 AUD