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Round|Lab Grown|IGI

1.51ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG494167199

Shape and cutting style on the report: Round brilliant

Certificate IGI LG494167199

Diamond specifications and retailer prices

From $559 CAD
$400 USD
As of October 30, 2026
Save $3,506 CAD (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,065 CAD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.51ct lab-grown round diamond

This 1.51ct 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 LG494167199 or 494167199. Listed at 12 retailers as of October 30, 2026, with prices from $559 to $4,065, a $3,506 spread on the same certified stone. Do Amore Diamonds lists it at $4,065. 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

1.51
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG494167199
Dimensions7.35 × 7.38 × 4.55 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
7.35 mm7.38 mm1.51 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG494167199
Side View
Table 58.0%Crown 35°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.8%

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: $4,065 CAD|Low: $559 CAD|High: $4,065 CAD|Avg: $1,501 CAD|+0.3%
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
October 30, 2026
Retailer 5$559 CAD
Retailer 9$652 CAD
Retailer 11$782 CAD
Retailer 3$975 CAD
Retailer 6$1,013 CAD
Retailer 2$1,076 CAD
Retailer 4$1,127 CAD
Retailer 8$1,662 CAD
Retailer 12$1,704 CAD
Retailer 10$2,231 CAD
Retailer 7$2,448 CAD
Do Amore Diamonds$4,065 CAD

14 data points across 12 retailers

12 retailers$559 CAD to $4,065 CAD

B+
Cheapest Retailer
-
$559 CAD
$400 USD
A
Retailer 2
-
$652 CAD
$467 USD
View
A
Retailer 3
-
$782 CAD
$560 USD
View
A
Retailer 4
-
$975 CAD
$698 USD
View
A
Retailer 5
-
$1,013 CAD
£571 GBP
View
A
Retailer 6
-
$1,076 CAD
$770 USD
View
A
Retailer 7
-
$1,127 CAD
$807 USD
View
A
Retailer 8
-
$1,662 CAD
$1,190 USD
View
A
Retailer 9
-
$1,704 CAD
$1,220 USD
View
B+
Retailer 10
-
$2,231 CAD
$1,597 USD
View
B+
Retailer 11
-
$2,448 CAD
£1,380 GBP
View
Most Expensive
B
Do Amore Diamonds
27-4CC7EC046 · Oct 31
$4,065 CAD
$2,910 USD
View
11 more retailers have this diamond
Prices start from $559 CADSave up to $3,506 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
1.51ct Round
$559 CAD