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Round|Lab Grown|IGI

1.83ct J I1 Round Lab Grown Diamond

ID • J/I1 • IGI LG490190993

Shape and cutting style on the report: Round brilliant

Certificate IGI LG490190993

Diamond specifications and retailer prices

From $1,390 CAD
$995 USD
As of October 29, 2026
Save $4,108 CAD (75%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,498 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.83ct lab-grown round diamond

This 1.83ct lab-grown round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI LG490190993 or 490190993. Listed at 8 retailers as of October 29, 2026, with prices from $1,390 to $5,498, a $4,108 spread on the same certified stone. MOH London lists it at $5,498. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.83
Carat
J
Color
I1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG490190993
Dimensions7.97 × 7.99 × 4.74 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.97 mm7.99 mm1.83 ctJ / I1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG490190993
Side View
Table 57.5%Crown 33°GirdlePavilion 40.2°Culet: NoneDepth 59.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $5,498 CAD|Low: $1,334 CAD|High: $5,535 CAD|Avg: $2,457 CAD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 3$1,390 CAD
Retailer 6$1,513 CAD
Retailer 4$1,612 CAD
Retailer 8$1,612 CAD
Retailer 9$2,368 CAD
Retailer 5$2,576 CAD
Retailer 7$3,023 CAD
Retailer 2$3,475 CAD
MOH London$5,498 CAD

13 data points across 9 retailers

8 retailers$1,390 CAD to $5,498 CAD

B+
Cheapest Retailer
-
$1,390 CAD
$995 USD
B+
Retailer 2
-
$1,513 CAD
$1,083 USD
View
B+
Retailer 3
-
$1,612 CAD
$1,154 USD
View
Retailer 4
-
$1,612 CAD
$1,154 USD
View
Price last confirmed 18 days ago
B
Retailer 5
-
$2,576 CAD
$1,844 USD
View
B
Retailer 6
-
$3,023 CAD
$2,164 USD
View
B
Retailer 7
-
$3,475 CAD
$2,488 USD
View
Most Expensive
B
MOH London
LG490190993 · Oct 29
$5,498 CAD
£3,099 GBP
View
7 more retailers have this diamond
Prices start from $1,390 CADSave up to $4,108 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.

B+
1.83ct Round
$1,390 CAD