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Round|Lab Grown|IGI

1.00ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG739579235

Shape and cutting style on the report: Round brilliant

Certificate IGI LG739579235

Diamond specifications and retailer prices

From $221 CAD
$158 USD
As of October 29, 2026
Save $1,260 CAD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,481 CAD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1ct lab-grown round diamond

This 1ct 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 LG739579235 or 739579235. Listed at 22 retailers as of October 29, 2026, with prices from $221 to $1,481, a $1,260 spread on the same certified stone. Reve Diamonds lists it at $1,481. 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

1.00
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739579235
Dimensions6.43 × 6.46 × 3.94 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
6.43 mm6.46 mm1.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739579235
Side View
Table 58.0%Crown 33°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.2%

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: Oct 29
Current: $479 CAD|Low: $218 CAD|High: $1,481 CAD|Avg: $592 CAD|+7.5%
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
October 30, 2026
Retailer 6$221 CAD
Retailer 14$246 CAD
Retailer 10$256 CAD
Retailer 3$273 CAD
Retailer 15$273 CAD
Retailer 1$479 CAD
Retailer 2$497 CAD
Retailer 9$533 CAD
Retailer 13$613 CAD
Retailer 12$644 CAD
Retailer 11$671 CAD
Retailer 4$746 CAD
Retailer 7$879 CAD
Retailer 5$957 CAD
Retailer 8$1,287 CAD
Reve Diamonds$1,481 CAD

45 data points across 16 retailers

22 retailers$221 CAD to $1,481 CAD

Retailer 1
-
$218 CAD
$156 USD
Price last confirmed 38 days ago
A
Retailer 2
-
$221 CAD
$158 USD
View
A
Retailer 3
-
$246 CAD
$176 USD
View
Final sale: no returns
A
Retailer 4
-
$256 CAD
$183 USD
View
Retailer 5
-
$267 CAD
$191 USD
View
Price last confirmed 38 days ago
A
Retailer 6
-
$273 CAD
$195 USD
View
A
Retailer 7
-
$273 CAD
$195 USD
View
A
Retailer 8
-
$383 CAD
$274 USD
View
B+
Retailer 9
-
$479 CAD
£270 GBP
View
B+
Retailer 10
-
$497 CAD
$355 USD
View
B+
Retailer 11
-
$533 CAD
€363 EUR
View
Retailer 12
-
$567 CAD
$405 USD
View
Price last confirmed 88 days ago
B+
Retailer 13
-
$613 CAD
$438 USD
View
Retailer 14
-
$644 CAD
$460 USD
View
Price last confirmed 13 days ago
B+
Retailer 15
-
$671 CAD
A$738 AUD
View
B
Retailer 16
-
$746 CAD
$533 USD
View
Retailer 17
-
$834 CAD
$596 USD
View
Price last confirmed 38 days ago
Retailer 18
-
$872 CAD
$623 USD
View
Price last confirmed 39 days ago
B
Retailer 19
-
$879 CAD
$628 USD
View
B
Retailer 20
-
$957 CAD
$683 USD
View
B
Retailer 21
-
$1,287 CAD
£724 GBP
View
Most Expensive
B
Reve Diamonds
C2E712A44 · Oct 30
$1,481 CAD
$1,058 USD
View
21 more retailers have this diamond
Prices start from $221 CADSave up to $1,260 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
1.00ct Round
$221 CAD