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Round|Lab Grown|IGI

3.80ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG623479341

Shape and cutting style on the report: Round brilliant

Certificate IGI LG623479341

Diamond specifications and retailer prices

From $1,356 USD
CA$1,883 CAD
As of October 30, 2026
Save $438 USD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,794 USD at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 3.8ct lab-grown round diamond

This 3.8ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG623479341 or 623479341. Listed at 2 retailers as of October 30, 2026, with prices from $1,356 to $1,794, a $438 spread on the same certified stone. The Diamond Guys lists it at $1,794. 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

3.80
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623479341
Dimensions10.15 × 10.10 × 6.08 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.15 mm10.10 mm3.80 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623479341
Side View
Table 59.0%Crown 34.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.0%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: $1,119 USD|Low: $270 USD|High: $5,180 USD|Avg: $1,351 USD|-7.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
The Diamond Guys
August 3, 2026
Retailer 3$734 USD
Retailer 5$817 USD
Retailer 9$891 USD
Retailer 11$907 USD
Retailer 8$1,049 USD
Retailer 4$1,091 USD
Retailer 1$1,119 USD
Retailer 6$1,356 USD
Retailer 2$1,735 USD
The Diamond Guys$1,794 USD
Retailer 10$2,790 USD
Retailer 7$5,180 USD

58 data points across 12 retailers

2 retailers$1,356 USD to $1,794 USD

B+
Cheapest Retailer
-
$1,356 USD
CA$1,883 CAD
Most Expensive
B
The Diamond Guys
1954434354 · Nov 1
$1,794 USD
View
1 more retailer has this diamond
Prices start from $1,356 USDSave up to $438 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.

B+
3.80ct Round
$1,356 USD