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Round|Lab Grown|IGI

1.05ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG780647301

Shape and cutting style on the report: Round brilliant

Certificate IGI LG780647301

Diamond specifications and retailer prices

From $223 CAD
As of November 1, 2026
Save $1,264 CAD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,487 CAD at Reve Diamonds · As of November 1, 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 LG780647301 or 780647301. Listed at 19 retailers as of November 1, 2026, with prices from $223 to $1,487, a $1,264 spread on the same certified stone. Reve Diamonds lists it at $1,487. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780647301
Dimensions6.61 × 6.63 × 3.96 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.61 mm6.63 mm1.05 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780647301
Side View
Table 59.0%Crown 32.2°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 59.8%

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 1
Current: $472 CAD|Low: $214 CAD|High: $1,487 CAD|Avg: $607 CAD|+9.7%
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
Retailer 14
Retailer 15
Reve Diamonds
November 3, 2026
Retailer 11$223 CAD
Retailer 7$250 CAD
Retailer 15$258 CAD
Retailer 2$277 CAD
Retailer 12$277 CAD
Retailer 5$412 CAD
Retailer 1$472 CAD
Retailer 9$485 CAD
Retailer 6$501 CAD
Retailer 8$538 CAD
Retailer 13$573 CAD
Retailer 14$888 CAD
Retailer 4$939 CAD
Retailer 3$950 CAD
Retailer 10$1,292 CAD
Reve Diamonds$1,487 CAD

36 data points across 16 retailers

19 retailers$223 CAD to $1,487 CAD

A
Cheapest Retailer
-
$223 CAD
A
Retailer 2
-
$250 CAD
View
Final sale: no returns
A
Retailer 3
-
$258 CAD
View
Retailer 4
-
$277 CAD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$277 CAD
View
A
Retailer 6
-
$285 CAD
View
A
Retailer 7
-
$412 CAD
View
B+
Retailer 8
-
$472 CAD
View
B+
Retailer 9
-
$485 CAD
View
B+
Retailer 10
-
$501 CAD
View
B+
Retailer 11
-
$538 CAD
View
Retailer 12
-
$573 CAD
View
Price last confirmed 12 days ago
B+
Retailer 13
-
$617 CAD
View
B
Retailer 14
-
$888 CAD
View
B
Retailer 15
-
$939 CAD
View
B
Retailer 16
-
$950 CAD
View
B
Retailer 17
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$965 CAD
View
B
Retailer 18
-
$1,292 CAD
View
Most Expensive
B
Reve Diamonds
911778019 · Nov 1
$1,487 CAD
$1,065 USD
View
18 more retailers have this diamond
Prices start from $223 CADSave up to $1,264 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
$223 CAD