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Marquise|Lab Grown|UNKNOWN

0.51ct G SI1 Marquise Lab Grown Diamond

ID • G/SI1 • UNKNOWN 62524403

Certificate UNKNOWN 62524403

Diamond specifications and retailer prices

From €344 EUR
$384 USD
As of November 1, 2026
1 retailer carries this diamond
Only listing: €344 EUR 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 0.51ct lab-grown marquise diamond

This 0.51ct lab-grown marquise sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by UNKNOWN 62524403. 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

0.51
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
Polish
Symmetry
Fluorescence
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 62524403
Dimensions8.33 × 4.28 × 2.55 mm
L/W Ratio1.95
Top View
8.33 mm4.28 mm0.51 ctG / SI1
OriginLab Grown
CutIdeal
CertificateUNKNOWN 62524403
Side View
Table 61.7%CrownGirdlePavilionCuletDepth 59.5%

Caratlytics Score

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C
Average
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Price History

Last verified: Nov 1
Current: €344 EUR|Low: €124 EUR|High: €439 EUR|Avg: €312 EUR|-0.5%
September 30, 2026
Loose Grown Diamond€344 EUR

8 data points across 1 retailer

1 retailer

C
Loose Grown Diamond
62524403 · Nov 1
€344 EUR
$384 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.

C
0.51ct Marquise
€344 EUR