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Round|Lab Grown|IGI

1.70ct J SI2 Round Lab Grown Diamond

EX • J/SI2 • IGI LG447099948

Shape and cutting style on the report: Round brilliant

Certificate IGI LG447099948

Diamond specifications and retailer prices

From $1,657 CAD
$1,184 USD
As of October 29, 2026
Save $4,553 CAD (73%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,211 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.7ct lab-grown round diamond

This 1.7ct lab-grown round 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 LG447099948 or 447099948. Listed at 11 retailers as of October 29, 2026, with prices from $1,657 to $6,211, a $4,553 spread on the same certified stone. MOH London lists it at $6,211. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447099948
Dimensions7.79 × 7.81 × 4.54 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.79 mm7.81 mm1.70 ctJ / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447099948
Side View
Table 60.0%Crown 31.5°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 58.2%

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: $6,211 CAD|Low: $1,324 CAD|High: $6,260 CAD|Avg: $2,814 CAD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 6$1,657 CAD
Retailer 7$1,694 CAD
Retailer 10$1,803 CAD
Retailer 12$1,856 CAD
Retailer 8$1,923 CAD
Retailer 13$1,923 CAD
Retailer 2$2,237 CAD
Retailer 4$2,736 CAD
Retailer 9$3,050 CAD
Retailer 11$3,604 CAD
Retailer 3$3,789 CAD
Retailer 5$4,299 CAD
MOH London$6,211 CAD

37 data points across 13 retailers

11 retailers$1,657 CAD to $6,211 CAD

A
Cheapest Retailer
-
$1,657 CAD
$1,184 USD
A
Retailer 2
-
$1,694 CAD
$1,210 USD
View
A
Retailer 3
-
$1,803 CAD
$1,288 USD
View
B+
Retailer 4
-
$1,856 CAD
$1,326 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,923 CAD
$1,374 USD
View
Retailer 6
-
$1,923 CAD
$1,374 USD
View
Price last confirmed 17 days ago
B+
Retailer 7
-
$2,237 CAD
£1,259 GBP
View
B
Retailer 8
-
$3,050 CAD
$2,179 USD
View
B
Retailer 9
-
$3,604 CAD
$2,575 USD
View
B
Retailer 10
-
$3,789 CAD
$2,707 USD
View
Most Expensive
B
MOH London
LG447099948 · Oct 29
$6,211 CAD
£3,494 GBP
View
10 more retailers have this diamond
Prices start from $1,657 CADSave up to $4,553 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 Round
$1,657 CAD