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Round|Natural|IGI

0.30ct J I1 Round Natural Diamond

VG • J/I1 • IGI 510166380

Shape and cutting style on the report: Round brilliant

Certificate IGI 510166380

Diamond specifications and retailer prices

From $233 CAD
$167 USD
As of October 31, 2026
Save $824 CAD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,057 CAD at NZ Jewellers · As of October 29, 2026
View at NZ Jewellers

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 I1 clarity (included), with a very-good cut grade and certified by IGI 510166380. Listed at 8 retailers as of October 29, 2026, with prices from $233 to $1,057, a $824 spread on the same certified stone. NZ Jewellers lists it at $1,057. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.30
Carat
J
Color
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.1°
OriginNatural
Grading LabIGI
CertificateIGI 510166380
Dimensions4.30 × 4.34 × 2.54 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
4.30 mm4.34 mm0.30 ctJ / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 510166380
Side View
Table 65.0%Crown 34.5°Girdle: UNDPavilion 40.1°Culet: NoneDepth 58.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $425 CAD|Low: $224 CAD|High: $425 CAD|Avg: $324 CAD|+3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
October 30, 2026
Retailer 2$227 CAD
Retailer 3$295 CAD
Retailer 4$356 CAD
Retailer 1$425 CAD

18 data points across 4 retailers

8 retailers$233 CAD to $1,057 CAD

B+
Cheapest Retailer
-
$233 CAD
$167 USD
B+
Retailer 2
-
$251 CAD
$180 USD
View
B+
Retailer 3
-
$260 CAD
$186 USD
View
B+
Retailer 4
-
$286 CAD
$205 USD
View
B+
Retailer 5
-
$295 CAD
$211 USD
View
B+
Retailer 6
-
$314 CAD
$225 USD
View
B
Retailer 7
-
$425 CAD
€290 EUR
View
Most Expensive
C
NZ Jewellers
4d4742fe-e3b5-493e-a0f8-77ae6e1c66d6 · Oct 29
$1,057 CAD
$757 USD
View
7 more retailers have this diamond
Prices start from $233 CADSave up to $824 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.

B+
0.30ct Round
$233 CAD