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Round|Lab Grown|IGI

1.05ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG685512055

Shape and cutting style on the report: Round brilliant

Certificate IGI LG685512055

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)
23 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG685512055 or 685512055. Listed at 23 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
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685512055
Dimensions6.53 × 6.49 × 3.99 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
6.53 mm6.49 mm1.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685512055
Side View
Table 58.0%Crown 34.9°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
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: $684 CAD|Low: $205 CAD|High: $1,436 CAD|Avg: $576 CAD
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
Reve Diamonds
November 5, 2026
Retailer 5$207 CAD
Retailer 14$230 CAD
Retailer 8$237 CAD
Retailer 3$257 CAD
Retailer 16$257 CAD
Retailer 9$439 CAD
Retailer 2$473 CAD
Retailer 12$503 CAD
Retailer 13$573 CAD
Retailer 15$599 CAD
Retailer 7$679 CAD
Retailer 1$684 CAD
Retailer 6$824 CAD
Retailer 11$871 CAD
Retailer 4$901 CAD
Retailer 10$1,194 CAD
Reve Diamonds$1,436 CAD

44 data points across 17 retailers

23 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
Retailer 4
-
$251 CAD
View
Price last confirmed 45 days ago
Retailer 5
-
$257 CAD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$257 CAD
View
A
Retailer 7
-
$406 CAD
View
A
Retailer 8
-
$439 CAD
View
B+
Retailer 9
-
$473 CAD
View
B+
Retailer 10
-
$503 CAD
View
B+
Retailer 11
-
$559 CAD
View
Retailer 12
-
$573 CAD
View
Price last confirmed 12 days ago
B+
Retailer 13
-
$599 CAD
View
B+
Retailer 14
-
$679 CAD
View
Retailer 15
-
$684 CAD
View
Price last confirmed 21 days ago
B+
Retailer 16
-
$684 CAD
View
B+
Retailer 17
-
$693 CAD
View
Retailer 18
-
$818 CAD
View
Price last confirmed 46 days ago
B
Retailer 19
-
$824 CAD
View
B
Retailer 20
-
$871 CAD
View
B
Retailer 21
-
$901 CAD
View
B
Retailer 22
-
$1,194 CAD
View
Most Expensive
B
Reve Diamonds
C22A37157 · Nov 4
$1,436 CAD
$1,028 USD
View
22 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