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Round|Lab Grown|IGI

1.05ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG670428283

Shape and cutting style on the report: Round brilliant

Certificate IGI LG670428283

Diamond specifications and retailer prices

From $205 CAD
As of November 5, 2026
Save $1,225 CAD (86%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $1,430 CAD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.05ct lab-grown round diamond

This 1.05ct 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 LG670428283 or 670428283. Listed at 24 retailers as of November 4, 2026, with prices from $205 to $1,430, a $1,225 spread on the same certified stone. Reve Diamonds lists it at $1,430. 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

1.05
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG670428283
Dimensions6.58 × 6.56 × 3.99 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.58 mm6.56 mm1.05 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG670428283
Side View
Table 58.0%Crown 33.9°Girdle: MediumPavilion 41°Culet: NoneDepth 60.8%

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: $434 CAD|Low: $197 CAD|High: $1,204 CAD|Avg: $552 CAD|+3.7%
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
November 6, 2026
Retailer 11$205 CAD
Retailer 7$229 CAD
Retailer 13$237 CAD
Retailer 2$254 CAD
Retailer 5$346 CAD
Retailer 1$434 CAD
Retailer 10$480 CAD
Retailer 6$499 CAD
Retailer 9$552 CAD
Retailer 12$818 CAD
Retailer 4$864 CAD
Retailer 3$908 CAD
Retailer 8$1,186 CAD

40 data points across 13 retailers

24 retailers$205 CAD to $1,430 CAD

A
Cheapest Retailer
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$205 CAD
A
Retailer 2
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$229 CAD
View
Final sale: no returns
A
Retailer 3
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$237 CAD
View
Retailer 4
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$251 CAD
View
Price last confirmed 66 days ago
Retailer 5
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$254 CAD
View
Price last confirmed 12 days ago
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Retailer 6
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$254 CAD
View
B+
Retailer 7
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$346 CAD
View
A
Retailer 8
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$412 CAD
View
A
Retailer 9
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$434 CAD
View
B+
Retailer 10
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$480 CAD
View
A
Retailer 11
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$499 CAD
View
B+
Retailer 12
-
$552 CAD
View
B+
Retailer 13
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$552 CAD
View
B+
Retailer 14
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$552 CAD
View
B+
Retailer 15
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$552 CAD
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B+
Retailer 16
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$573 CAD
View
B+
Retailer 17
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$573 CAD
View
Retailer 18
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$598 CAD
View
Price last confirmed 11 days ago
B
Retailer 19
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$818 CAD
View
B
Retailer 20
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$864 CAD
View
B
Retailer 21
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$895 CAD
View
B
Retailer 22
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$908 CAD
View
B
Retailer 23
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$1,186 CAD
View
Most Expensive
B
Reve Diamonds
61D252AC6 · Nov 4
$1,430 CAD
$1,024 USD
View
23 more retailers have this diamond
Prices start from $205 CADSave up to $1,225 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
1.05ct Round
$205 CAD