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1.51ct H SI2 Round Lab Grown Diamond

ID • H/SI2 • IGI LG436074903

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436074903

Diamond specifications and retailer prices

From $1,554 CAD
$1,110 USD
As of October 29, 2026
Save $5,405 CAD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,959 CAD at MOH London · As of October 29, 2026
View at MOH London

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436074903 or 436074903. Listed at 10 retailers as of October 29, 2026, with prices from $1,554 to $6,959, a $5,405 spread on the same certified stone. MOH London lists it at $6,959. 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
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436074903
Dimensions7.35 × 7.37 × 4.51 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
7.35 mm7.37 mm1.51 ctH / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436074903
Side View
Table 56.5%Crown 36°GirdlePavilion 40.2°Culet: NoneDepth 61.3%

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 29
Current: $6,959 CAD|Low: $1,484 CAD|High: $7,014 CAD|Avg: $3,194 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
October 29, 2026
Retailer 4$1,554 CAD
Retailer 2$1,857 CAD
Retailer 7$2,021 CAD
Retailer 9$2,078 CAD
Retailer 5$2,154 CAD
Retailer 11$2,962 CAD
Retailer 6$3,408 CAD
Retailer 10$4,015 CAD
Retailer 8$4,038 CAD
Retailer 3$4,823 CAD
MOH London$6,959 CAD

16 data points across 11 retailers

10 retailers$1,554 CAD to $6,959 CAD

A
Cheapest Retailer
-
$1,554 CAD
$1,110 USD
B+
Retailer 2
-
$1,857 CAD
$1,327 USD
View
B+
Retailer 3
-
$2,021 CAD
$1,444 USD
View
B+
Retailer 4
-
$2,078 CAD
$1,485 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,154 CAD
$1,539 USD
View
Retailer 6
-
$2,154 CAD
$1,539 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
$3,408 CAD
$2,435 USD
View
B
Retailer 8
-
$4,015 CAD
$2,869 USD
View
B
Retailer 9
-
$4,038 CAD
$2,885 USD
View
Most Expensive
B
MOH London
LG436074903 · Oct 29
$6,959 CAD
£3,915 GBP
View
9 more retailers have this diamond
Prices start from $1,554 CADSave up to $5,405 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
$1,554 CAD