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Marquise|Lab Grown|UNKNOWN

1.51ct G IF Marquise Lab Grown Diamond

ID • G/IF • UNKNOWN 205317423

Certificate UNKNOWN 205317423

Diamond specifications and retailer prices

From €550 EUR
$615 USD
As of November 1, 2026
1 retailer carries this diamond
Only listing: €550 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 1.51ct lab-grown marquise diamond

This 1.51ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by UNKNOWN 205317423. 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. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
Polish
Symmetry
Fluorescence
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 205317423
Dimensions12.77 × 5.79 × 3.56 mm
L/W Ratio2.21
Top View
12.77 mm5.79 mm1.51 ctG / IF
OriginLab Grown
CutIdeal
CertificateUNKNOWN 205317423
Side View
Table 63.0%CrownGirdlePavilionCuletDepth 61.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 1
Current: €550 EUR|Low: €526 EUR|High: €1,583 EUR|Avg: €900 EUR|-50.3%
August 31, 2026
Loose Grown Diamond€550 EUR

9 data points across 1 retailer

1 retailer

B
Loose Grown Diamond
205317423 · Nov 1
€550 EUR
$615 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.

B
1.51ct Marquise
€550 EUR