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Round|Lab Grown|IGI

1.62ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG425078889

Shape and cutting style on the report: Round brilliant

Certificate IGI LG425078889

Diamond specifications and retailer prices

From $603 CAD
$432 USD
As of October 30, 2026
Save $2,035 CAD (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,386 CAD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.62ct lab-grown round diamond

This 1.62ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG425078889 or 425078889. Listed at 13 retailers as of October 30, 2026, with a 337% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.62
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425078889
Dimensions7.49 × 7.54 × 4.67 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa
Top View
7.49 mm7.54 mm1.62 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG425078889
Side View
Table 59.0%Crown 35.5°Girdle: MediumPavilion 41.6°Culet: NoneDepth 62.2%

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 30
Current: $4,386 CAD|Low: $603 CAD|High: $4,386 CAD|Avg: $1,651 CAD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 10$603 CAD
Retailer 9$615 CAD
Retailer 12$824 CAD
Retailer 3$1,085 CAD
Retailer 5$1,200 CAD
Retailer 6$1,203 CAD
Retailer 7$1,221 CAD
Retailer 8$1,285 CAD
Retailer 11$1,795 CAD
Retailer 13$1,901 CAD
Retailer 4$2,386 CAD
Retailer 2$2,638 CAD
Do Amore Diamonds$4,386 CAD

16 data points across 13 retailers

13 retailers$603 CAD to $2,638 CAD

A
Cheapest Retailer
-
$603 CAD
$432 USD
B+
Retailer 2
-
$615 CAD
$440 USD
View
B+
Retailer 3
-
$824 CAD
$590 USD
View
B+
Retailer 4
-
$1,085 CAD
$777 USD
View
B
Retailer 5
-
$1,200 CAD
$859 USD
View
B+
Retailer 6
-
$1,203 CAD
£678 GBP
View
B+
Retailer 7
-
$1,221 CAD
£688 GBP
View
B+
Retailer 8
-
$1,285 CAD
$920 USD
View
B
Retailer 9
-
$1,795 CAD
$1,285 USD
View
B
Retailer 10
-
$1,901 CAD
$1,361 USD
View
B
Retailer 11
-
$2,386 CAD
$1,708 USD
View
B
Retailer 12
-
$2,638 CAD
£1,487 GBP
View
Most Expensive
Do Amore Diamonds
27-2A1C5E56F · Oct 31
$4,386 CAD
$3,140 USD
View
Price under review
12 more retailers have this diamond
Prices start from $603 CADSave up to $2,035 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
1.62ct Round
$603 CAD