CaratHunter
Plans
Round|Lab Grown|UNKNOWN

0.40ct E I1 Round Lab Grown Diamond

EX • E/I1 • UNKNOWN 35501501

Certificate UNKNOWN 35501501

Diamond specifications and retailer prices

From €204 EUR
$229 USD
As of October 30, 2026
Save €176 EUR (46%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €380 EUR at Loose Grown Diamond · As of November 1, 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 35501501. Listed at 2 retailers as of October 30, 2026, with prices from €204 to €380, a €176 spread on the same certified stone. Loose Grown Diamond lists it at €380. 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 35501501
Dimensions4.67 × 4.63 × 2.94 mm
L/W Ratio1.01
Top View
4.67 mm4.63 mm0.40 ctE / I1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateUNKNOWN 35501501
Side View
Table 55.3%CrownGirdlePavilionCuletDepth 63.2%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €380 EUR|Low: €141 EUR|High: €492 EUR|Avg: €323 EUR|-1.6%
Loose Grown Diamond
Retailer 2
September 30, 2026
Retailer 2€204 EUR
Loose Grown Diamond€380 EUR

9 data points across 2 retailers

2 retailers€204 EUR to €380 EUR

B
Cheapest Retailer
-
€204 EUR
$229 USD
Most Expensive
C
Loose Grown Diamond
35501501 · Nov 1
€380 EUR
$426 USD
View
1 more retailer has this diamond
Prices start from €204 EURSave up to €176 EUR

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
€204 EUR