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Round|Natural|GIA

0.30ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 5566546432

Certificate GIA 5566546432

Diamond specifications and retailer prices

From $230 CAD
₹15,644 INR
As of October 29, 2026
Save $572 CAD (71%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $802 CAD at MOH London · As of October 26, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5566546432. Listed at 8 retailers as of October 26, 2026, with prices from $230 to $802, a $572 spread on the same certified stone. MOH London lists it at $802. 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
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 5566546432
Dimensions4.31 × 4.33 × 2.66 mm
L/W Ratio1.00
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
4.31 mm4.33 mm0.30 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5566546432
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.6%

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: Oct 29
Current: $802 CAD|Low: $229 CAD|High: $809 CAD|Avg: $461 CAD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 4$230 CAD
Retailer 6$287 CAD
Retailer 8$339 CAD
Retailer 5$406 CAD
Retailer 7$500 CAD
Retailer 3$508 CAD
Retailer 2$573 CAD
MOH London$802 CAD

22 data points across 8 retailers

8 retailers$230 CAD to $802 CAD

A
Cheapest Retailer
-
$230 CAD
₹15,644 INR
A
Retailer 2
-
$287 CAD
HK$1,600 HKD
View
A
Retailer 3
-
$339 CAD
$242 USD
View
A
Retailer 4
-
$406 CAD
A$446 AUD
View
B+
Retailer 5
-
$500 CAD
$357 USD
View
B+
Retailer 6
-
$508 CAD
£286 GBP
View
B
Retailer 7
-
$573 CAD
€390 EUR
View
Most Expensive
B
MOH London
ABF5CD583 · Oct 26
$802 CAD
£451 GBP
View
7 more retailers have this diamond
Prices start from $230 CADSave up to $572 CAD

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
$230 CAD