Round|Lab Grown|IGI

1.46ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG816684216

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816684216

Diamond specifications and retailer prices

From $193 USD
As of October 28, 2026
Save $517 USD (73%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $710 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.46ct lab-grown round diamond

This 1.46ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG816684216 or 816684216. Listed at 3 retailers as of October 28, 2026, with prices from $193 to $710, a $517 spread on the same certified stone. Brilliant Earth lists it at $710. 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

1.46
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816684216
Dimensions7.18 × 7.22 × 4.53 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.18 mm7.22 mm1.46 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816684216
Side View
Table 57.0%Crown 36.1°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $710 USD|Low: $193 USD|High: $710 USD|Avg: $466 USD
Brilliant Earth
Retailer 2
Retailer 3
October 29, 2026
Retailer 3$193 USD
Retailer 2$395 USD
Brilliant Earth$710 USD

28 data points across 3 retailers

3 retailers$193 USD to $710 USD

A
Cheapest Retailer
-
$193 USD
Final sale: no returns
A
Retailer 2
-
$395 USD
£311 GBP
View
Most Expensive
B
Brilliant Earth
21236815A · Oct 29
$710 USD
View
2 more retailers have this diamond
Prices start from $193 USDSave up to $517 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.

A
1.46ct Round
$193 USD