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Round|Lab Grown|UNKNOWN

0.30ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • UNKNOWN 33173999

Certificate UNKNOWN 33173999

Diamond specifications and retailer prices

From $180 CAD
$128 USD
As of October 29, 2026
Save $535 CAD (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $715 CAD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 0.3ct lab-grown round diamond

This 0.3ct lab-grown round sits in the sub-half-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by UNKNOWN 33173999. Listed at 5 retailers as of October 27, 2026, with prices from $180 to $715, a $535 spread on the same certified stone. NZ Jewellers lists it at $715. 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
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 33173999
Dimensions4.42 × 4.38 × 2.57 mm
L/W Ratio1.01
Top View
4.42 mm4.38 mm0.30 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateUNKNOWN 33173999
Side View
Table 59.1%CrownGirdlePavilionCuletDepth 58.3%

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: $180 CAD|Low: $173 CAD|High: $424 CAD|Avg: $262 CAD|+4.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
October 10, 2026
Retailer 1$180 CAD
Retailer 4$208 CAD
Retailer 2$222 CAD
Retailer 3$424 CAD

4 data points across 4 retailers

5 retailers$180 CAD to $715 CAD

A
Cheapest Retailer
-
$180 CAD
$128 USD
B+
Retailer 2
-
$208 CAD
$148 USD
View
B+
Retailer 3
-
$222 CAD
$158 USD
View
B
Retailer 4
-
$424 CAD
$302 USD
View
Most Expensive
C
NZ Jewellers
d0976532-cab9-41f2-9b4d-c2a09c0f3258 · Oct 27
$715 CAD
$509 USD
View
4 more retailers have this diamond
Prices start from $180 CADSave up to $535 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
$180 CAD