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Round|Lab Grown|IGI

1.63ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • IGI LG425066630

Shape and cutting style on the report: Round brilliant

Certificate IGI LG425066630

Diamond specifications and retailer prices

From $1,453 CAD
$1,040 USD
As of October 30, 2026
Save $6,573 CAD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,026 CAD at MOH London · As of October 29, 2026
View at MOH London

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 LG425066630 or 425066630. Listed at 12 retailers as of October 29, 2026, with prices from $1,453 to $8,026, a $6,573 spread on the same certified stone. MOH London lists it at $8,026. 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 angle34.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425066630
Dimensions7.50 × 7.47 × 4.72 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.50 mm7.47 mm1.63 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG425066630
Side View
Table 54.5%Crown 34.9°Girdle: ThickPavilion 40.9°Culet: NoneDepth 63.1%

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: $8,026 CAD|Low: $1,453 CAD|High: $8,090 CAD|Avg: $4,498 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
October 30, 2026
Retailer 2$1,453 CAD
Retailer 6$2,410 CAD
Retailer 9$2,699 CAD
Retailer 7$2,795 CAD
Retailer 4$3,017 CAD
Retailer 10$3,031 CAD
Retailer 12$3,730 CAD
Retailer 8$4,389 CAD
Retailer 5$4,819 CAD
Retailer 11$7,655 CAD
Retailer 3$8,001 CAD
MOH London$8,026 CAD

17 data points across 12 retailers

12 retailers$1,453 CAD to $8,026 CAD

A
Cheapest Retailer
-
$1,453 CAD
$1,040 USD
B+
Retailer 2
-
$2,410 CAD
$1,725 USD
View
B+
Retailer 3
-
$2,622 CAD
$1,877 USD
View
B+
Retailer 4
-
$2,699 CAD
$1,932 USD
View
Final sale: no returns
B
Retailer 5
-
$2,795 CAD
$2,001 USD
View
Retailer 6
-
$2,795 CAD
$2,001 USD
View
Price last confirmed 18 days ago
B+
Retailer 7
-
$3,031 CAD
$2,170 USD
View
B
Retailer 8
-
$4,389 CAD
$3,142 USD
View
B
Retailer 9
-
$4,819 CAD
$3,450 USD
View
B
Retailer 10
-
$5,240 CAD
$3,751 USD
View
B
Retailer 11
-
$7,655 CAD
$5,480 USD
View
Most Expensive
B
MOH London
LG425066630 · Oct 29
$8,026 CAD
£4,524 GBP
View
11 more retailers have this diamond
Prices start from $1,453 CADSave up to $6,573 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
$1,453 CAD