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Round|Lab Grown|IGI

3.09ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG700584426

Shape and cutting style on the report: Round brilliant

Certificate IGI LG700584426

Diamond specifications and retailer prices

From $510 CAD
As of November 5, 2026
Save $2,290 CAD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,800 CAD at Rare Carat · As of November 4, 2026
View at Rare Carat

About this 3.09ct lab-grown round diamond

This 3.09ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG700584426 or 700584426. Listed at 15 retailers as of November 4, 2026, with prices from $510 to $2,800, a $2,290 spread on the same certified stone. Rare Carat lists it at $2,800. 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

3.09
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700584426
Dimensions9.38 × 9.42 × 5.76 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
9.38 mm9.42 mm3.09 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700584426
Side View
Table 57.0%Crown 34.5°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.3%

Caratlytics Score

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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 5
Current: $2,800 CAD|Low: $510 CAD|High: $7,402 CAD|Avg: $2,001 CAD|-27.5%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 13$510 CAD
Retailer 7$592 CAD
Retailer 6$633 CAD
Retailer 17$697 CAD
Retailer 10$839 CAD
Retailer 14$845 CAD
Retailer 15$1,008 CAD
Retailer 4$1,011 CAD
Retailer 16$1,074 CAD
Retailer 2$1,126 CAD
Retailer 3$1,560 CAD
Retailer 12$1,855 CAD
Retailer 5$2,032 CAD
Retailer 11$2,471 CAD
Rare Carat$2,800 CAD
Retailer 8$6,367 CAD
Retailer 9$7,402 CAD

11 data points across 17 retailers

15 retailers$510 CAD to $2,800 CAD

A
Cheapest Retailer
-
$510 CAD
A
Retailer 2
-
$592 CAD
View
A
Retailer 3
-
$633 CAD
View
A
Retailer 4
-
$697 CAD
View
A
Retailer 5
-
$839 CAD
View
A
Retailer 6
-
$845 CAD
View
Retailer 7
-
$1,008 CAD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$1,011 CAD
View
A
Retailer 9
-
$1,074 CAD
View
A
Retailer 10
-
$1,126 CAD
View
B+
Retailer 11
-
$1,560 CAD
View
B+
Retailer 12
-
$1,855 CAD
View
B
Retailer 13
-
$2,032 CAD
View
B
Retailer 14
-
$2,471 CAD
View
Most Expensive
B
Rare Carat
KI4265844KF700 · Nov 4
$2,800 CAD
$2,005 USD
View
14 more retailers have this diamond
Prices start from $510 CADSave up to $2,290 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
3.09ct Round
$510 CAD