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Round|Lab Grown|IGI

1.22ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG685511105

Shape and cutting style on the report: Round brilliant

Certificate IGI LG685511105

Diamond specifications and retailer prices

From $272 CAD
As of November 5, 2026
Save $1,374 CAD (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,647 CAD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.22ct lab-grown round diamond

This 1.22ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG685511105 or 685511105. Listed at 22 retailers as of November 4, 2026, with prices from $272 to $1,647, a $1,374 spread on the same certified stone. Reve Diamonds lists it at $1,647. 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

1.22
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685511105
Dimensions6.87 × 6.85 × 4.24 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.87 mm6.85 mm1.22 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685511105
Side View
Table 57.0%Crown 33.9°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.8%

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: $610 CAD|Low: $271 CAD|High: $1,647 CAD|Avg: $730 CAD|+4.3%
Retailer 1
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
Reve Diamonds
November 6, 2026
Retailer 7$272 CAD
Retailer 5$304 CAD
Retailer 16$317 CAD
Retailer 2$338 CAD
Retailer 3$338 CAD
Retailer 4$589 CAD
Retailer 1$610 CAD
Retailer 13$645 CAD
Retailer 10$663 CAD
Retailer 17$682 CAD
Retailer 9$684 CAD
Retailer 15$723 CAD
Retailer 11$908 CAD
Retailer 8$1,088 CAD
Retailer 12$1,092 CAD
Retailer 6$1,162 CAD
Retailer 14$1,581 CAD
Reve Diamonds$1,647 CAD

35 data points across 18 retailers

22 retailers$272 CAD to $1,647 CAD

A
Cheapest Retailer
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$272 CAD
A
Retailer 2
-
$304 CAD
View
Final sale: no returns
A
Retailer 3
-
$317 CAD
View
Retailer 4
-
$338 CAD
View
Price last confirmed 12 days ago
A
Retailer 5
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$338 CAD
View
B+
Retailer 6
-
$547 CAD
View
B+
Retailer 7
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$589 CAD
View
B+
Retailer 8
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$610 CAD
View
B+
Retailer 9
-
$645 CAD
View
B+
Retailer 10
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$663 CAD
View
B+
Retailer 11
-
$682 CAD
View
B+
Retailer 12
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$684 CAD
View
B+
Retailer 13
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$723 CAD
View
B+
Retailer 14
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$894 CAD
View
B
Retailer 15
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$908 CAD
View
B
Retailer 16
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$923 CAD
View
Retailer 17
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$1,080 CAD
View
Price last confirmed 46 days ago
B
Retailer 18
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$1,088 CAD
View
B
Retailer 19
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$1,092 CAD
View
B
Retailer 20
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$1,162 CAD
View
B
Retailer 21
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$1,581 CAD
View
Most Expensive
B
Reve Diamonds
7ADD410F2 · Nov 4
$1,647 CAD
$1,179 USD
View
21 more retailers have this diamond
Prices start from $272 CADSave up to $1,374 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
1.22ct Round
$272 CAD