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Round|Lab Grown|IGI

3.10ct D SI2 Round Lab Grown Diamond

ID • D/SI2 • IGI LG691590668

Shape and cutting style on the report: Round brilliant

Certificate IGI LG691590668

Diamond specifications and retailer prices

From $589 CAD
$421 USD
As of October 29, 2026
Save $4,855 CAD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,444 CAD at Brilliant Earth · As of October 29, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG691590668 or 691590668. Listed at 15 retailers as of October 29, 2026, with prices from $589 to $5,444, a $4,855 spread on the same certified stone. Brilliant Earth lists it at $5,444. 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
D
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691590668
Dimensions9.40 × 9.36 × 5.75 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.40 mm9.36 mm3.10 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691590668
Side View
Table 58.0%Crown 33.4°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.3%

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: Oct 29
Current: $5,444 CAD|Low: $565 CAD|High: $5,444 CAD|Avg: $1,559 CAD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 9$589 CAD
Retailer 3$731 CAD
Retailer 10$731 CAD
Retailer 11$980 CAD
Retailer 5$1,167 CAD
Retailer 2$1,201 CAD
Retailer 12$1,261 CAD
Retailer 4$1,579 CAD
Retailer 6$1,718 CAD
Retailer 8$1,755 CAD
Retailer 7$2,688 CAD
Brilliant Earth$5,444 CAD

44 data points across 12 retailers

15 retailers$589 CAD to $5,444 CAD

A
Cheapest Retailer
-
$589 CAD
$421 USD
A
Retailer 2
-
$661 CAD
$472 USD
View
A
Retailer 3
-
$731 CAD
$522 USD
View
A
Retailer 4
-
$731 CAD
$522 USD
View
B+
Retailer 5
-
$980 CAD
$700 USD
View
A
Retailer 6
-
$1,167 CAD
€794 EUR
View
A
Retailer 7
-
$1,201 CAD
£675 GBP
View
A
Retailer 8
-
$1,261 CAD
$901 USD
View
B+
Retailer 9
-
$1,579 CAD
$1,128 USD
View
B+
Retailer 10
-
$1,718 CAD
A$1,888 AUD
View
B+
Retailer 11
-
$1,755 CAD
$1,254 USD
View
Retailer 12
-
$1,885 CAD
$1,347 USD
View
Price last confirmed 44 days ago
B
Retailer 13
-
$2,349 CAD
$1,678 USD
View
B
Retailer 14
-
$2,688 CAD
£1,512 GBP
View
Most Expensive
B
Brilliant Earth
13678752A · Oct 29
$5,444 CAD
$3,890 USD
View
14 more retailers have this diamond
Prices start from $589 CADSave up to $4,855 CAD

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
$589 CAD