Oval|Lab Grown|UNKNOWN

0.31ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • UNKNOWN 35789789

Certificate UNKNOWN 35789789

Diamond specifications and retailer prices

From $391 USD
As of October 30, 2026
1 retailer carries this diamond
Only listing: $391 USD 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 0.31ct lab-grown oval diamond

This 0.31ct lab-grown oval sits in the sub-half-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by UNKNOWN 35789789. Listed at a single retailer as of October 30, 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

0.31
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
Polish
Symmetry
Fluorescence
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 35789789
Dimensions5.29 × 3.80 × 2.36 mm
L/W Ratio1.39
Top View
5.29 mm3.80 mm0.31 ctD / SI1
OriginLab Grown
CutIdeal
CertificateUNKNOWN 35789789
Side View
Table 56.5%CrownGirdlePavilionCuletDepth 62.2%

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: Oct 30
Current: $391 USD|Low: $142 USD|High: $501 USD|Avg: $356 USD|-1.0%
September 30, 2026
Loose Grown Diamond$391 USD

8 data points across 1 retailer

1 retailer

D
Loose Grown Diamond
35789789 · Oct 30
$391 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
0.31ct Oval
$391 USD