CaratHunter
Plans
Marquise|Lab Grown|UNKNOWN

0.30ct G SI1 Marquise Lab Grown Diamond

ID • G/SI1 • UNKNOWN 503121230

Certificate UNKNOWN 503121230

Diamond specifications and retailer prices

From $468 CAD
$335 USD
As of November 1, 2026
1 retailer carries this diamond
Only listing: $468 CAD at Loose Grown Diamond
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Loose Grown Diamond

About this 0.3ct lab-grown marquise diamond

This 0.3ct lab-grown marquise sits in the sub-half-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by UNKNOWN 503121230. Listed at a single retailer as of November 1, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
Polish
Symmetry
Fluorescence
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 503121230
Dimensions7.16 × 3.41 × 2.01 mm
L/W Ratio2.10
Top View
7.16 mm3.41 mm0.30 ctG / SI1
OriginLab Grown
CutIdeal
CertificateUNKNOWN 503121230
Side View
Table 65.9%CrownGirdlePavilionCuletDepth 58.9%

Caratlytics Score

How it works →
D
Below Average
Compare with similar diamonds
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $468 CAD|Low: $163 CAD|High: $588 CAD|Avg: $419 CAD|+1.5%
September 30, 2026
Loose Grown Diamond$468 CAD

8 data points across 1 retailer

1 retailer

D
Loose Grown Diamond
503121230 · Nov 1
$468 CAD
$335 USD
View

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.

D
0.30ct Marquise
$468 CAD