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Oval|Lab Grown|IGI

1.70ct J SI2 Oval Lab Grown Diamond

ID • J/SI2 • IGI LG451055477

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451055477

Diamond specifications and retailer prices

From $1,190 CAD
$850 USD
As of October 29, 2026
Save $5,231 CAD (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,420 CAD at MOH London · As of October 27, 2026
View at MOH London

About this 1.7ct lab-grown oval diamond

This 1.7ct lab-grown oval sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451055477 or 451055477. Listed at 9 retailers as of October 27, 2026, with prices from $1,190 to $6,420, a $5,231 spread on the same certified stone. MOH London lists it at $6,420. 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

1.70
Carat
J
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle42.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451055477
Dimensions9.29 × 6.79 × 4.34 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.29 mm6.79 mm1.70 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451055477
Side View
Table 55.5%Crown 33.5°Girdle: MED-STKPavilion 42.2°Culet: NoneDepth 63.9%

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 29
Current: $6,420 CAD|Low: $1,190 CAD|High: $6,497 CAD|Avg: $3,281 CAD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 25, 2026
Retailer 4$1,190 CAD
Retailer 2$1,936 CAD
Retailer 8$2,105 CAD
Retailer 5$2,245 CAD
Retailer 11$2,326 CAD
Retailer 10$3,079 CAD
Retailer 6$3,545 CAD
Retailer 9$4,074 CAD
Retailer 7$4,207 CAD
Retailer 3$5,024 CAD
MOH London$6,420 CAD

13 data points across 11 retailers

9 retailers$1,190 CAD to $6,420 CAD

A
Cheapest Retailer
-
$1,190 CAD
$850 USD
B+
Retailer 2
-
$1,936 CAD
$1,383 USD
View
B+
Retailer 3
-
$2,105 CAD
$1,504 USD
View
B+
Retailer 4
-
$2,245 CAD
$1,604 USD
View
Price last confirmed 17 days ago
B+
Retailer 5
-
$2,245 CAD
$1,604 USD
View
B
Retailer 6
-
$3,545 CAD
$2,533 USD
View
B
Retailer 7
-
$4,074 CAD
$2,911 USD
View
B
Retailer 8
-
$4,207 CAD
$3,006 USD
View
Most Expensive
B
MOH London
LG451055477 · Oct 27
$6,420 CAD
£3,612 GBP
View
8 more retailers have this diamond
Prices start from $1,190 CADSave up to $5,231 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
1.70ct Oval
$1,190 CAD