CaratHunter
Plans
Round|Lab Grown|UNKNOWN

1.21ct D SI2 Round Lab Grown Diamond

ID • D/SI2 • UNKNOWN 33142876

Certificate UNKNOWN 33142876

Diamond specifications and retailer prices

From $314 USD
As of October 30, 2026
1 retailer carries this diamond
Only listing: $314 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 1.21ct lab-grown round diamond

This 1.21ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by UNKNOWN 33142876. 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

1.21
Carat
D
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
Polish
Symmetry
Fluorescence
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 33142876
Dimensions6.80 × 6.83 × 4.19 mm
L/W Ratio1.00
Top View
6.80 mm6.83 mm1.21 ctD / SI2
OriginLab Grown
CutIdeal
CertificateUNKNOWN 33142876
Side View
Table 59.5%CrownGirdlePavilionCuletDepth 61.5%

Caratlytics Score

How it works →
C
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: $314 USD|Low: $121 USD|High: $434 USD|Avg: $296 USD|+3.3%
August 26, 2026
Loose Grown Diamond$314 USD

7 data points across 1 retailer

1 retailer

C
Loose Grown Diamond
33142876 · Oct 30
$314 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
1.21ct Round
$314 USD