Round|Lab Grown|IGI

1.41ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG815611170

Shape and cutting style on the report: Round brilliant

Certificate IGI LG815611170

Diamond specifications and retailer prices

From $182 USD
As of November 1, 2026
Save $478 USD (72%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $660 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.41ct lab-grown round diamond

This 1.41ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG815611170 or 815611170. Listed at 3 retailers as of October 31, 2026, with prices from $182 to $660, a $478 spread on the same certified stone. Brilliant Earth lists it at $660. 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

1.41
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815611170
Dimensions7.15 × 7.19 × 4.37 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
7.15 mm7.19 mm1.41 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815611170
Side View
Table 60.0%Crown 35.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $660 USD|Low: $182 USD|High: $660 USD|Avg: $430 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 3$182 USD
Retailer 4$350 USD
Retailer 2$370 USD
Retailer 5$479 USD
Brilliant Earth$660 USD

37 data points across 5 retailers

3 retailers$182 USD to $660 USD

A
Cheapest Retailer
-
$182 USD
Final sale: no returns
A
Retailer 2
-
$370 USD
£291 GBP
View
Most Expensive
B+
Brilliant Earth
21223618A · Oct 31
$660 USD
View
2 more retailers have this diamond
Prices start from $182 USDSave up to $478 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
1.41ct Round
$182 USD