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Round|Lab Grown|IGI

1.70ct J SI1 Round Lab Grown Diamond

ID • J/SI1 • IGI LG485161701

Shape and cutting style on the report: Round brilliant

Certificate IGI LG485161701

Diamond specifications and retailer prices

From $1,344 CAD
$960 USD
As of October 30, 2026
Save $5,537 CAD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,881 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG485161701 or 485161701. Listed at 12 retailers as of October 29, 2026, with prices from $1,344 to $6,881, a $5,537 spread on the same certified stone. MOH London lists it at $6,881. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG485161701
Dimensions7.57 × 7.63 × 4.75 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.57 mm7.63 mm1.70 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG485161701
Side View
Table 55.0%Crown 35.9°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.5%

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 30
Current: $6,881 CAD|Low: $1,344 CAD|High: $6,936 CAD|Avg: $2,920 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 2$1,344 CAD
Retailer 7$1,836 CAD
Retailer 11$1,999 CAD
Retailer 10$2,057 CAD
Retailer 8$2,130 CAD
Retailer 13$2,130 CAD
Retailer 3$2,372 CAD
Retailer 6$2,797 CAD
Retailer 5$2,943 CAD
Retailer 9$3,370 CAD
Retailer 4$3,971 CAD
Retailer 12$3,993 CAD
MOH London$6,881 CAD

24 data points across 13 retailers

12 retailers$1,344 CAD to $6,881 CAD

A
Cheapest Retailer
-
$1,344 CAD
$960 USD
B+
Retailer 2
-
$1,836 CAD
$1,312 USD
View
B+
Retailer 3
-
$1,999 CAD
$1,428 USD
View
B+
Retailer 4
-
$2,057 CAD
$1,470 USD
View
Final sale: no returns
Retailer 5
-
$2,130 CAD
$1,522 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
$2,130 CAD
$1,522 USD
View
B+
Retailer 7
-
$2,372 CAD
$1,695 USD
View
B+
Retailer 8
-
$2,797 CAD
£1,573 GBP
View
B
Retailer 9
-
$3,370 CAD
$2,408 USD
View
B
Retailer 10
-
$3,971 CAD
$2,837 USD
View
B
Retailer 11
-
$3,993 CAD
$2,853 USD
View
Most Expensive
B
MOH London
LG485161701 · Oct 29
$6,881 CAD
£3,871 GBP
View
11 more retailers have this diamond
Prices start from $1,344 CADSave up to $5,537 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
$1,344 CAD