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Oval|Lab Grown|IGI

1.81ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG451057385

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451057385

Diamond specifications and retailer prices

From $1,397 CAD
$1,000 USD
As of October 29, 2026
Save $5,850 CAD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,247 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.81ct lab-grown oval diamond

This 1.81ct lab-grown oval sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451057385 or 451057385. Listed at 10 retailers as of October 29, 2026, with prices from $1,397 to $7,247, a $5,850 spread on the same certified stone. MOH London lists it at $7,247. 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

1.81
Carat
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057385
Dimensions9.78 × 6.88 × 4.22 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.78 mm6.88 mm1.81 ctI / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG451057385
Side View
Table 59.0%Crown 37.4°Girdle: THN-STKPavilion 40.3°Culet: NoneDepth 61.3%

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: $7,247 CAD|Low: $1,397 CAD|High: $7,297 CAD|Avg: $3,527 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 4$1,397 CAD
Retailer 3$2,176 CAD
Retailer 5$2,524 CAD
Retailer 7$2,759 CAD
Retailer 9$2,792 CAD
Retailer 8$3,417 CAD
Retailer 6$3,973 CAD
Retailer 2$4,463 CAD
MOH London$7,247 CAD

11 data points across 9 retailers

10 retailers$1,397 CAD to $7,247 CAD

A
Cheapest Retailer
-
$1,397 CAD
$1,000 USD
B+
Retailer 2
-
$2,176 CAD
$1,558 USD
View
B+
Retailer 3
-
$2,368 CAD
$1,695 USD
View
B+
Retailer 4
-
$2,524 CAD
$1,807 USD
View
Retailer 5
-
$2,524 CAD
$1,807 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$2,759 CAD
$1,975 USD
View
B
Retailer 7
-
$3,973 CAD
$2,844 USD
View
B
Retailer 8
-
$4,463 CAD
$3,195 USD
View
B
Retailer 9
-
$4,731 CAD
$3,387 USD
View
Most Expensive
B
MOH London
LG451057385 · Oct 29
$7,247 CAD
£4,085 GBP
View
9 more retailers have this diamond
Prices start from $1,397 CADSave up to $5,850 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
1.81ct Oval
$1,397 CAD