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3.80ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG627481349

Shape and cutting style on the report: Round brilliant

Certificate IGI LG627481349

Diamond specifications and retailer prices

From $1,310 USD
CA$1,820 CAD
As of October 30, 2026
Save $423 USD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,733 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 LG627481349 or 627481349. Listed at 2 retailers as of October 30, 2026, with prices from $1,310 to $1,733, a $423 spread on the same certified stone. The Diamond Guys lists it at $1,733. 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 angle35.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627481349
Dimensions9.99 × 9.95 × 6.21 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
9.99 mm9.95 mm3.80 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627481349
Side View
Table 57.0%Crown 35.7°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.2%

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: $1,102 USD|Low: $266 USD|High: $3,220 USD|Avg: $1,403 USD|-5.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
The Diamond Guys
August 3, 2026
Retailer 4$713 USD
Retailer 6$780 USD
Retailer 9$883 USD
Retailer 11$894 USD
Retailer 8$1,077 USD
Retailer 5$1,089 USD
Retailer 1$1,102 USD
Retailer 7$1,310 USD
Retailer 2$1,705 USD
The Diamond Guys$1,733 USD
Retailer 12$2,353 USD
Retailer 10$2,750 USD
Retailer 3$3,110 USD

61 data points across 13 retailers

2 retailers$1,310 USD to $1,733 USD

B+
Cheapest Retailer
-
$1,310 USD
CA$1,820 CAD
Most Expensive
B
The Diamond Guys
1954434353 · Nov 1
$1,733 USD
View
1 more retailer has this diamond
Prices start from $1,310 USDSave up to $423 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
$1,310 USD