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Round|Lab Grown|IGI

1.63ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • IGI LG450019953

Shape and cutting style on the report: Round brilliant

Certificate IGI LG450019953

Diamond specifications and retailer prices

From $490 CAD
$351 USD
As of October 29, 2026
Save $3,868 CAD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,358 CAD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.63ct lab-grown round diamond

This 1.63ct 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 LG450019953 or 450019953. Listed at 18 retailers as of October 29, 2026, with prices from $490 to $4,358, a $3,868 spread on the same certified stone. Do Amore Diamonds lists it at $4,358. 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

1.63
Carat
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG450019953
Dimensions7.51 × 7.59 × 4.70 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa
Top View
7.51 mm7.59 mm1.63 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG450019953
Side View
Table 57.5%Crown 34.5°Girdle: MediumPavilion 41.5°Culet: NoneDepth 62.3%

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: $4,358 CAD|Low: $490 CAD|High: $4,358 CAD|Avg: $1,378 CAD
Do Amore Diamonds
Retailer 2
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Retailer 18
October 30, 2026
Retailer 18$490 CAD
Retailer 15$569 CAD
Retailer 12$601 CAD
Retailer 5$608 CAD
Retailer 14$608 CAD
Retailer 3$747 CAD
Retailer 6$817 CAD
Retailer 7$1,034 CAD
Retailer 9$1,052 CAD
Retailer 16$1,076 CAD
Retailer 11$1,087 CAD
Retailer 10$1,181 CAD
Retailer 2$1,271 CAD
Retailer 17$1,784 CAD
Retailer 8$1,840 CAD
Retailer 4$2,158 CAD
Retailer 13$2,638 CAD
Do Amore Diamonds$4,358 CAD

13 data points across 18 retailers

18 retailers$490 CAD to $4,358 CAD

A
Cheapest Retailer
-
$490 CAD
$351 USD
A
Retailer 2
-
$569 CAD
$407 USD
View
B+
Retailer 3
-
$601 CAD
$430 USD
View
A
Retailer 4
-
$608 CAD
$435 USD
View
A
Retailer 5
-
$608 CAD
$435 USD
View
A
Retailer 6
-
$747 CAD
$535 USD
View
A
Retailer 7
-
$817 CAD
$585 USD
View
Retailer 8
-
$1,034 CAD
$740 USD
View
Price last confirmed 9 days ago
A
Retailer 9
-
$1,052 CAD
$753 USD
View
A
Retailer 10
-
$1,076 CAD
$770 USD
View
A
Retailer 11
-
$1,087 CAD
£613 GBP
View
A
Retailer 12
-
$1,181 CAD
$846 USD
View
A
Retailer 13
-
$1,271 CAD
$910 USD
View
A
Retailer 14
-
$1,784 CAD
$1,277 USD
View
A
Retailer 15
-
$1,840 CAD
$1,317 USD
View
B+
Retailer 16
-
$2,158 CAD
$1,545 USD
View
B+
Retailer 17
-
$2,638 CAD
£1,487 GBP
View
Most Expensive
B
Do Amore Diamonds
27-78B8021BB · Oct 29
$4,358 CAD
$3,120 USD
View
17 more retailers have this diamond
Prices start from $490 CADSave up to $3,868 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
1.63ct Round
$490 CAD