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Oval|Lab Grown|IGI

1.73ct K SI2 Oval Lab Grown Diamond

ID • K/SI2 • IGI LG451056887

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451056887

Diamond specifications and retailer prices

From $2,757 CAD
As of November 5, 2026
Save $6,354 CAD (70%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $9,111 CAD at MOH London · As of November 5, 2026
View at MOH London

About this 1.73ct lab-grown oval diamond

This 1.73ct lab-grown oval sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451056887 or 451056887. Listed at 8 retailers as of November 5, 2026, with prices from $2,757 to $9,111, a $6,354 spread on the same certified stone. MOH London lists it at $9,111. 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

1.73
Carat
K
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451056887
Dimensions9.21 × 6.80 × 4.31 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.21 mm6.80 mm1.73 ctK / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451056887
Side View
Table 57.0%Crown 36.9°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 63.4%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: $9,111 CAD|Low: $2,647 CAD|High: $9,257 CAD|Avg: $4,938 CAD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 3$2,757 CAD
Retailer 7$3,000 CAD
Retailer 4$3,199 CAD
Retailer 8$4,090 CAD
Retailer 6$4,396 CAD
Retailer 5$5,006 CAD
Retailer 2$5,252 CAD
Retailer 9$7,158 CAD
MOH London$9,111 CAD

14 data points across 9 retailers

8 retailers$2,757 CAD to $9,111 CAD

B+
Cheapest Retailer
-
$2,757 CAD
B+
Retailer 2
-
$3,000 CAD
View
Retailer 3
-
$3,199 CAD
View
Price last confirmed 26 days ago
B
Retailer 4
-
$3,199 CAD
View
B
Retailer 5
-
$4,396 CAD
View
B
Retailer 6
-
$5,006 CAD
View
B
Retailer 7
-
$5,252 CAD
View
Most Expensive
B
MOH London
LG451056887 · Nov 5
$9,111 CAD
£5,100 GBP
View
7 more retailers have this diamond
Prices start from $2,757 CADSave up to $6,354 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+
1.73ct Oval
$2,757 CAD