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Round|Lab Grown|IGI

1.05ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG770641611

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770641611

Diamond specifications and retailer prices

From $207 CAD
As of November 5, 2026
Save $1,229 CAD (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,436 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 LG770641611 or 770641611. Listed at 21 retailers as of November 4, 2026, with prices from $207 to $1,436, a $1,229 spread on the same certified stone. Reve Diamonds lists it at $1,436. 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 angle34.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770641611
Dimensions6.49 × 6.44 × 4.00 mm
L/W Ratio1.01
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
6.49 mm6.44 mm1.05 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770641611
Side View
Table 57.0%Crown 34.2°Girdle: MED-STKPavilion 40.9°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: $230 CAD|Low: $205 CAD|High: $1,436 CAD|Avg: $598 CAD|+0.6%
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
Reve Diamonds
November 4, 2026
Retailer 6$207 CAD
Retailer 1$230 CAD
Retailer 14$240 CAD
Retailer 2$257 CAD
Retailer 4$257 CAD
Retailer 10$439 CAD
Retailer 3$473 CAD
Retailer 11$503 CAD
Retailer 8$538 CAD
Retailer 15$599 CAD
Retailer 7$824 CAD
Retailer 9$871 CAD
Retailer 5$901 CAD
Retailer 13$922 CAD
Retailer 12$1,198 CAD
Reve Diamonds$1,436 CAD

44 data points across 16 retailers

21 retailers$207 CAD to $1,436 CAD

Retailer 1
-
$205 CAD
Price last confirmed 45 days ago
A
Retailer 2
-
$207 CAD
View
A
Retailer 3
-
$230 CAD
View
Final sale: no returns
A
Retailer 4
-
$240 CAD
View
Retailer 5
-
$251 CAD
View
Price last confirmed 45 days ago
Retailer 6
-
$257 CAD
View
Price last confirmed 12 days ago
A
Retailer 7
-
$257 CAD
View
A
Retailer 8
-
$412 CAD
View
A
Retailer 9
-
$439 CAD
View
B+
Retailer 10
-
$473 CAD
View
B+
Retailer 11
-
$503 CAD
View
B+
Retailer 12
-
$538 CAD
View
B+
Retailer 13
-
$599 CAD
View
B+
Retailer 14
-
$693 CAD
View
Retailer 15
-
$818 CAD
View
Price last confirmed 46 days ago
B
Retailer 16
-
$824 CAD
View
B
Retailer 17
-
$871 CAD
View
B
Retailer 18
-
$901 CAD
View
B
Retailer 19
-
$922 CAD
View
B
Retailer 20
-
$1,198 CAD
View
Most Expensive
B
Reve Diamonds
820D6027C · Nov 4
$1,436 CAD
$1,028 USD
View
20 more retailers have this diamond
Prices start from $207 CADSave up to $1,229 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
$207 CAD