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Round|Lab Grown|IGI

1.64ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • IGI LG544249031

Shape and cutting style on the report: Round brilliant

Certificate IGI LG544249031

Diamond specifications and retailer prices

From $493 CAD
$353 USD
As of October 29, 2026
Save $3,893 CAD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,386 CAD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.64ct lab-grown round diamond

This 1.64ct lab-grown round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG544249031 or 544249031. Listed at 18 retailers as of October 29, 2026, with prices from $493 to $4,386, a $3,893 spread on the same certified stone. Do Amore Diamonds lists it at $4,386. 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

1.64
Carat
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG544249031
Dimensions7.47 × 7.49 × 4.74 mm
L/W Ratio1.00
Girdle conditionFaceted
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
7.47 mm7.49 mm1.64 ctH / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG544249031
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 63.4%

Caratlytics Score

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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 29
Current: $4,386 CAD|Low: $493 CAD|High: $4,386 CAD|Avg: $1,386 CAD|+0.3%
Do Amore Diamonds
Retailer 2
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 17
Retailer 18
October 30, 2026
Retailer 18$493 CAD
Retailer 15$573 CAD
Retailer 12$603 CAD
Retailer 5$612 CAD
Retailer 14$612 CAD
Retailer 3$756 CAD
Retailer 6$824 CAD
Retailer 7$1,034 CAD
Retailer 9$1,058 CAD
Retailer 16$1,080 CAD
Retailer 11$1,093 CAD
Retailer 10$1,186 CAD
Retailer 2$1,271 CAD
Retailer 17$1,794 CAD
Retailer 8$1,851 CAD
Retailer 4$2,171 CAD
Retailer 13$2,652 CAD
Do Amore Diamonds$4,386 CAD

13 data points across 18 retailers

18 retailers$493 CAD to $4,386 CAD

A
Cheapest Retailer
-
$493 CAD
$353 USD
A
Retailer 2
-
$573 CAD
$410 USD
View
B+
Retailer 3
-
$603 CAD
$432 USD
View
A
Retailer 4
-
$612 CAD
$438 USD
View
A
Retailer 5
-
$612 CAD
$438 USD
View
A
Retailer 6
-
$756 CAD
$541 USD
View
A
Retailer 7
-
$824 CAD
$590 USD
View
Retailer 8
-
$1,034 CAD
$740 USD
View
Price last confirmed 9 days ago
A
Retailer 9
-
$1,058 CAD
$758 USD
View
A
Retailer 10
-
$1,080 CAD
$773 USD
View
A
Retailer 11
-
$1,093 CAD
£616 GBP
View
A
Retailer 12
-
$1,186 CAD
$849 USD
View
A
Retailer 13
-
$1,271 CAD
$910 USD
View
A
Retailer 14
-
$1,794 CAD
$1,284 USD
View
A
Retailer 15
-
$1,851 CAD
$1,325 USD
View
B+
Retailer 16
-
$2,171 CAD
$1,554 USD
View
B+
Retailer 17
-
$2,652 CAD
£1,495 GBP
View
Most Expensive
B
Do Amore Diamonds
27-88C6A3D1D · Oct 29
$4,386 CAD
$3,140 USD
View
17 more retailers have this diamond
Prices start from $493 CADSave up to $3,893 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
1.64ct Round
$493 CAD