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Oval|Lab Grown|IGI

1.00ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG450028009

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG450028009

Diamond specifications and retailer prices

From $810 CAD
$580 USD
As of October 30, 2026
Save $4,659 CAD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,469 CAD at MOH London · As of October 25, 2026
View at MOH London

About this 1ct lab-grown oval diamond

This 1ct lab-grown oval sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG450028009 or 450028009. Listed at 11 retailers as of October 25, 2026, with prices from $810 to $5,469, a $4,659 spread on the same certified stone. MOH London lists it at $5,469. 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
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG450028009
Dimensions7.54 × 5.70 × 3.65 mm
L/W Ratio1.32
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD). Type IIa
Top View
7.54 mm5.70 mm1.00 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG450028009
Side View
Table 55.0%Crown 35.7°Girdle: MED-THKPavilion 41.5°Culet: NoneDepth 64.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $5,469 CAD|Low: $810 CAD|High: $5,528 CAD|Avg: $2,718 CAD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 2$810 CAD
Retailer 4$1,389 CAD
Retailer 6$1,555 CAD
Retailer 7$1,858 CAD
Retailer 8$2,319 CAD
Retailer 5$2,573 CAD
Retailer 3$3,471 CAD
Retailer 9$4,613 CAD
MOH London$5,469 CAD

11 data points across 9 retailers

11 retailers$810 CAD to $5,469 CAD

A
Cheapest Retailer
-
$810 CAD
$580 USD
B+
Retailer 2
-
$1,389 CAD
$994 USD
View
B+
Retailer 3
-
$1,510 CAD
$1,081 USD
View
B+
Retailer 4
-
$1,555 CAD
$1,113 USD
View
Final sale: no returns
Retailer 5
-
$1,611 CAD
$1,153 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$1,611 CAD
$1,153 USD
View
B
Retailer 7
-
$1,858 CAD
$1,330 USD
View
B
Retailer 8
-
$2,573 CAD
$1,842 USD
View
B
Retailer 9
-
$3,019 CAD
$2,161 USD
View
B
Retailer 10
-
$3,471 CAD
$2,485 USD
View
Most Expensive
B
MOH London
LG450028009 · Oct 25
$5,469 CAD
£3,083 GBP
View
10 more retailers have this diamond
Prices start from $810 CADSave up to $4,659 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 Oval
$810 CAD