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Round|Lab Grown|IGI

1.50ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG825629744

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825629744

Diamond specifications and retailer prices

From $200 USD
As of November 3, 2026
Save $961 USD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,161 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.5ct lab-grown round diamond

This 1.5ct 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 LG825629744 or 825629744. Listed at 16 retailers as of November 1, 2026, with prices from $200 to $1,161, a $961 spread on the same certified stone. MOH London lists it at $1,161. 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

1.50
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825629744
Dimensions7.41 × 7.36 × 4.47 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.41 mm7.36 mm1.50 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825629744
Side View
Table 60.0%Crown 35.7°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 60.6%

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: Nov 3
Current: $1,161 USD|Low: $192 USD|High: $1,175 USD|Avg: $519 USD
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
November 3, 2026
Retailer 11$200 USD
Retailer 4$232 USD
Retailer 6$248 USD
Retailer 13$248 USD
Retailer 8$415 USD
Retailer 14$431 USD
Retailer 9$442 USD
Retailer 2$454 USD
Retailer 3$504 USD
Retailer 7$647 USD
Retailer 10$715 USD
Retailer 5$798 USD
Retailer 12$850 USD
MOH London$1,161 USD

46 data points across 14 retailers

16 retailers$200 USD to $1,161 USD

A
Cheapest Retailer
-
$200 USD
A
Retailer 2
-
$232 USD
View
A
Retailer 3
-
$248 USD
View
Retailer 4
-
$248 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$415 USD
€395 EUR
View
B+
Retailer 6
-
$431 USD
View
A
Retailer 7
-
$442 USD
£348 GBP
View
A
Retailer 8
-
$451 USD
View
A
Retailer 9
-
$454 USD
£357 GBP
View
B+
Retailer 10
-
$504 USD
View
B+
Retailer 11
-
$647 USD
View
B+
Retailer 12
-
$715 USD
View
B
Retailer 13
-
$798 USD
View
B
Retailer 14
-
$850 USD
View
B
Retailer 15
-
$851 USD
View
Most Expensive
B
MOH London
LG825629744 · Nov 1
$1,161 USD
£914 GBP
View
15 more retailers have this diamond
Prices start from $200 USDSave up to $961 USD

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
1.50ct Round
$200 USD