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Round|Lab Grown|UNKNOWN

0.40ct E I1 Round Lab Grown Diamond

EX • E/I1 • UNKNOWN 3514201420

Certificate UNKNOWN 3514201420

Diamond specifications and retailer prices

From $229 USD
As of October 27, 2026
Save $197 USD (46%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $426 USD at Loose Grown Diamond · As of October 28, 2026
View at Loose Grown Diamond

About this 0.4ct lab-grown round diamond

This 0.4ct lab-grown round sits in the sub-half-carat band, graded E colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by UNKNOWN 3514201420. Listed at 2 retailers as of October 27, 2026, with prices from $229 to $426, a $197 spread on the same certified stone. Loose Grown Diamond lists it at $426. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.40
Carat
E
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 3514201420
Dimensions4.75 × 4.73 × 2.92 mm
L/W Ratio1.00
Top View
4.75 mm4.73 mm0.40 ctE / I1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateUNKNOWN 3514201420
Side View
Table 58.9%CrownGirdlePavilionCuletDepth 61.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 27
Current: $426 USD|Low: $158 USD|High: $552 USD|Avg: $362 USD|-1.6%
Loose Grown Diamond
Retailer 2
September 30, 2026
Retailer 2$229 USD
Loose Grown Diamond$426 USD

9 data points across 2 retailers

2 retailers$229 USD to $426 USD

B
Cheapest Retailer
-
$229 USD
Most Expensive
C
Loose Grown Diamond
3514201420 · Oct 28
$426 USD
View
1 more retailer has this diamond
Prices start from $229 USDSave up to $197 USD

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
0.40ct Round
$229 USD