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Round|Lab Grown|IGI

1.00ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG781611998

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781611998

Diamond specifications and retailer prices

From $231 CAD
$165 USD
As of October 29, 2026
Save $1,111 CAD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,342 CAD at MOH London · As of October 26, 2026
View at MOH London

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG781611998 or 781611998. Listed at 20 retailers as of October 26, 2026, with prices from $231 to $1,342, a $1,111 spread on the same certified stone. MOH London lists it at $1,342. 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
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781611998
Dimensions6.48 × 6.43 × 3.90 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
6.48 mm6.43 mm1.00 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781611998
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.4%

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: Oct 29
Current: $1,342 CAD|Low: $220 CAD|High: $1,349 CAD|Avg: $576 CAD|+0.8%
MOH London
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
October 29, 2026
Retailer 5$231 CAD
Retailer 4$259 CAD
Retailer 10$269 CAD
Retailer 13$287 CAD
Retailer 15$287 CAD
Retailer 2$506 CAD
Retailer 9$508 CAD
Retailer 14$515 CAD
Retailer 12$624 CAD
Retailer 8$666 CAD
Retailer 11$671 CAD
Retailer 3$745 CAD
Retailer 7$770 CAD
Retailer 6$922 CAD
MOH London$1,342 CAD

39 data points across 15 retailers

20 retailers$231 CAD to $1,342 CAD

Retailer 1
-
$230 CAD
$164 USD
Price last confirmed 38 days ago
A
Retailer 2
-
$231 CAD
$165 USD
View
A
Retailer 3
-
$259 CAD
$185 USD
View
Final sale: no returns
Retailer 4
-
$266 CAD
$190 USD
View
Price last confirmed 37 days ago
A
Retailer 5
-
$269 CAD
$192 USD
View
Retailer 6
-
$281 CAD
$201 USD
View
Price last confirmed 38 days ago
A
Retailer 7
-
$287 CAD
$205 USD
View
A
Retailer 8
-
$287 CAD
$205 USD
View
B+
Retailer 9
-
$469 CAD
$335 USD
View
B+
Retailer 10
-
$506 CAD
£284 GBP
View
B+
Retailer 11
-
$508 CAD
€346 EUR
View
B+
Retailer 12
-
$515 CAD
$368 USD
View
B
Retailer 13
-
$624 CAD
$446 USD
View
B+
Retailer 14
-
$666 CAD
£375 GBP
View
B+
Retailer 15
-
$671 CAD
A$738 AUD
View
B
Retailer 16
-
$745 CAD
$532 USD
View
B
Retailer 17
-
$770 CAD
$550 USD
View
Retailer 18
-
$914 CAD
$653 USD
View
Price last confirmed 38 days ago
B
Retailer 19
-
$922 CAD
$659 USD
View
Most Expensive
B
MOH London
LG781611998 · Oct 26
$1,342 CAD
£755 GBP
View
19 more retailers have this diamond
Prices start from $231 CADSave up to $1,111 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
$231 CAD