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Round|Lab Grown|IGI

1.53ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG781631509

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781631509

Diamond specifications and retailer prices

From $265 CAD
$190 USD
As of October 29, 2026
Save $1,289 CAD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,554 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.53ct lab-grown round diamond

This 1.53ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG781631509 or 781631509. Listed at 19 retailers as of October 29, 2026, with prices from $265 to $1,554, a $1,289 spread on the same certified stone. MOH London lists it at $1,554. 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

1.53
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781631509
Dimensions7.50 × 7.47 × 4.45 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.50 mm7.47 mm1.53 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781631509
Side View
Table 62.0%Crown 32.9°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 59.5%

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: $1,554 CAD|Low: $261 CAD|High: $1,593 CAD|Avg: $760 CAD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 3$265 CAD
Retailer 12$295 CAD
Retailer 11$307 CAD
Retailer 4$331 CAD
Retailer 6$331 CAD
Retailer 13$577 CAD
Retailer 15$596 CAD
Retailer 5$645 CAD
Retailer 10$795 CAD
Retailer 9$844 CAD
Retailer 7$1,006 CAD
Retailer 2$1,056 CAD
Retailer 14$1,072 CAD
Retailer 16$1,132 CAD
Retailer 8$1,215 CAD
MOH London$1,554 CAD

34 data points across 16 retailers

19 retailers$265 CAD to $1,554 CAD

A
Cheapest Retailer
-
$265 CAD
$190 USD
Retailer 2
-
$265 CAD
$190 USD
View
Price last confirmed 42 days ago
A
Retailer 3
-
$295 CAD
$211 USD
View
Final sale: no returns
A
Retailer 4
-
$307 CAD
$220 USD
View
Retailer 5
-
$324 CAD
$232 USD
View
Price last confirmed 41 days ago
A
Retailer 6
-
$331 CAD
$237 USD
View
A
Retailer 7
-
$331 CAD
$237 USD
View
B+
Retailer 8
-
$577 CAD
$413 USD
View
A
Retailer 9
-
$596 CAD
£336 GBP
View
A
Retailer 10
-
$645 CAD
$462 USD
View
B+
Retailer 11
-
$795 CAD
$569 USD
View
B+
Retailer 12
-
$844 CAD
$604 USD
View
Retailer 13
-
$1,006 CAD
$720 USD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
$1,056 CAD
$756 USD
View
Retailer 15
-
$1,056 CAD
$756 USD
View
Price last confirmed 39 days ago
B+
Retailer 16
-
$1,072 CAD
SGD 1,037 SGD
View
B+
Retailer 17
-
$1,132 CAD
$810 USD
View
B
Retailer 18
-
$1,215 CAD
$870 USD
View
Most Expensive
B
MOH London
LG781631509 · Oct 29
$1,554 CAD
£876 GBP
View
18 more retailers have this diamond
Prices start from $265 CADSave up to $1,289 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
1.53ct Round
$265 CAD