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Round|Lab Grown|IGI

3.10ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG842654830

Certificate IGI LG842654830

Diamond specifications and retailer prices

From $384 USD
As of November 3, 2026
Save $1,776 USD (82%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,160 USD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 3.1ct lab-grown round diamond

This 3.1ct 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 LG842654830 or 842654830. Listed at 3 retailers as of November 3, 2026, with prices from $384 to $2,160, a $1,776 spread on the same certified stone. Brilliant Earth lists it at $2,160. 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

3.10
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG842654830
Dimensions9.21 × 9.24 × 5.81 mm
L/W Ratio1.00
Top View
9.21 mm9.24 mm3.10 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842654830
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 63.0%

Caratlytics Score

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

Price History

Last verified: Nov 3
Current: $2,160 USD|Low: $374 USD|High: $2,160 USD|Avg: $1,198 USD
Brilliant Earth
Retailer 2
Retailer 3
November 3, 2026
Retailer 3$384 USD
Retailer 2$784 USD
Brilliant Earth$2,160 USD

16 data points across 3 retailers

3 retailers$384 USD to $2,160 USD

A
Cheapest Retailer
-
$384 USD
Final sale: no returns
A
Retailer 2
-
$784 USD
View
Most Expensive
B
Brilliant Earth
21761040A · Nov 3
$2,160 USD
View
2 more retailers have this diamond
Prices start from $384 USDSave up to $1,776 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
3.10ct Round
$384 USD