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Round|Natural|GIA

0.30ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 7556428606

Certificate GIA 7556428606

Diamond specifications and retailer prices

From $140 USD
As of November 6, 2026
Save $335 USD (71%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $475 USD at MOH London · As of November 4, 2026
View at MOH London

About this 0.3ct natural round diamond

This 0.3ct natural round sits in the sub-half-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7556428606. Listed at 9 retailers as of November 4, 2026, with prices from $140 to $475, a $335 spread on the same certified stone. MOH London lists it at $475. 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

0.30
Carat
K
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7556428606
Dimensions4.28 × 4.26 × 2.67 mm
L/W Ratio1.00
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
4.28 mm4.26 mm0.30 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7556428606
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

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: $475 USD|Low: $140 USD|High: $536 USD|Avg: $307 USD|-10.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2$140 USD
Retailer 9$179 USD
Retailer 7$234 USD
Retailer 5$270 USD
Retailer 8$280 USD
Retailer 3$299 USD
Retailer 4$362 USD
Retailer 6$387 USD
MOH London$475 USD

42 data points across 9 retailers

9 retailers$140 USD to $475 USD

A
Cheapest Retailer
-
$140 USD
A
Retailer 2
-
$179 USD
View
A
Retailer 3
-
$234 USD
View
Retailer 4
-
$245 USD
View
Price last confirmed 43 days ago
A
Retailer 5
-
$270 USD
View
B+
Retailer 6
-
$299 USD
View
B+
Retailer 7
-
$362 USD
View
B
Retailer 8
-
$387 USD
View
Most Expensive
B
MOH London
4FF2D2351 · Nov 4
$475 USD
£374 GBP
View
8 more retailers have this diamond
Prices start from $140 USDSave up to $335 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
0.30ct Round
$140 USD