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Round|Lab Grown|IGI

10.09ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG627422142

Shape and cutting style on the report: Round brilliant

Certificate IGI LG627422142

Diamond specifications and retailer prices

From $2,805 CAD
$2,008 USD
As of October 29, 2026
Save $15,005 CAD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $17,810 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 10.09ct lab-grown round diamond

This 10.09ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG627422142 or 627422142. Listed at 17 retailers as of October 29, 2026, with prices from $2,805 to $17,810, a $15,005 spread on the same certified stone. Brilliant Earth lists it at $17,810. 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

10.09
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627422142
Dimensions13.85 × 13.77 × 8.51 mm
L/W Ratio1.01
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
13.85 mm13.77 mm10.09 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627422142
Side View
Table 57.0%Crown 35.6°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.6%

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: Oct 29
Current: $17,810 CAD|Low: $2,692 CAD|High: $17,810 CAD|Avg: $4,904 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 12$2,805 CAD
Retailer 10$2,912 CAD
Retailer 9$3,051 CAD
Retailer 5$3,140 CAD
Retailer 8$3,253 CAD
Retailer 13$3,253 CAD
Retailer 16$3,485 CAD
Retailer 7$3,935 CAD
Retailer 11$4,458 CAD
Retailer 15$4,471 CAD
Retailer 3$4,863 CAD
Retailer 4$5,090 CAD
Retailer 2$5,142 CAD
Retailer 6$9,273 CAD
Retailer 14$9,950 CAD
Brilliant Earth$17,810 CAD

43 data points across 16 retailers

17 retailers$2,805 CAD to $17,810 CAD

A
Cheapest Retailer
-
$2,805 CAD
$2,008 USD
A
Retailer 2
-
$2,912 CAD
£1,641 GBP
View
A
Retailer 3
-
$3,051 CAD
$2,184 USD
View
A
Retailer 4
-
$3,140 CAD
$2,248 USD
View
Final sale: no returns
Retailer 5
-
$3,253 CAD
$2,329 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
$3,253 CAD
$2,329 USD
View
A
Retailer 7
-
$3,485 CAD
$2,495 USD
View
A
Retailer 8
-
$3,935 CAD
$2,817 USD
View
B+
Retailer 9
-
$4,458 CAD
£2,513 GBP
View
B+
Retailer 10
-
$4,471 CAD
$3,201 USD
View
B+
Retailer 11
-
$4,863 CAD
$3,481 USD
View
Retailer 12
-
$5,090 CAD
$3,644 USD
View
Price last confirmed 13 days ago
B+
Retailer 13
-
$5,142 CAD
€3,506 EUR
View
B
Retailer 14
-
$9,273 CAD
$6,638 USD
View
B
Retailer 15
-
$9,950 CAD
$7,123 USD
View
B
Retailer 16
-
$11,385 CAD
$8,150 USD
View
Most Expensive
B
Brilliant Earth
20602725A · Oct 29
$17,810 CAD
$12,750 USD
View
16 more retailers have this diamond
Prices start from $2,805 CADSave up to $15,005 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
10.09ct Round
$2,805 CAD