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Oval|Lab Grown|IGI

1.03ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG526255842

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG526255842

Diamond specifications and retailer prices

From $461 CAD
£259 GBP
As of October 29, 2026
Save $785 CAD (63%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,246 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.03ct lab-grown oval diamond

This 1.03ct lab-grown oval sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG526255842 or 526255842. Listed at 6 retailers as of October 29, 2026, with prices from $461 to $1,246, a $785 spread on the same certified stone. MOH London lists it at $1,246. 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

1.03
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526255842
Dimensions7.94 × 5.70 × 3.60 mm
L/W Ratio1.39
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
7.94 mm5.70 mm1.03 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526255842
Side View
Table 59.5%Crown 35.7°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 63.2%

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: $1,246 CAD|Low: $441 CAD|High: $1,253 CAD|Avg: $672 CAD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 2$461 CAD
Retailer 5$466 CAD
Retailer 4$484 CAD
Retailer 6$712 CAD
Retailer 3$735 CAD
MOH London$1,246 CAD

36 data points across 6 retailers

6 retailers$461 CAD to $1,246 CAD

A
Cheapest Retailer
-
$461 CAD
£259 GBP
A
Retailer 2
-
$466 CAD
$333 USD
View
A
Retailer 3
-
$484 CAD
$346 USD
View
B+
Retailer 4
-
$712 CAD
$509 USD
View
B+
Retailer 5
-
$735 CAD
$525 USD
View
Most Expensive
B
MOH London
LG526255842 · Oct 29
$1,246 CAD
£701 GBP
View
5 more retailers have this diamond
Prices start from $461 CADSave up to $785 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
1.03ct Oval
$461 CAD