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Round|Lab Grown|IGI

1.50ct I VS1 Round Lab Grown Diamond

ID • I/VS1 • IGI LG557241137

Shape and cutting style on the report: Round brilliant

Certificate IGI LG557241137

Diamond specifications and retailer prices

From $368 USD
As of October 29, 2026
Save $1,424 USD (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,792 USD at MOH London · As of October 29, 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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG557241137 or 557241137. Listed at 16 retailers as of October 29, 2026, with prices from $368 to $1,792, a $1,424 spread on the same certified stone. MOH London lists it at $1,792. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG557241137
Dimensions7.31 × 7.29 × 4.54 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
7.31 mm7.29 mm1.50 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG557241137
Side View
Table 58.0%Crown 35.4°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.2%

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: $1,792 USD|Low: $353 USD|High: $1,805 USD|Avg: $817 USD|+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
Retailer 13
October 29, 2026
Retailer 11$368 USD
Retailer 4$412 USD
Retailer 9$427 USD
Retailer 8$456 USD
Retailer 7$605 USD
Retailer 5$692 USD
Retailer 3$709 USD
Retailer 2$715 USD
Retailer 13$728 USD
Retailer 6$784 USD
Retailer 10$1,338 USD
Retailer 12$1,467 USD
MOH London$1,792 USD

39 data points across 13 retailers

16 retailers$368 USD to $1,792 USD

A
Cheapest Retailer
-
$368 USD
A
Retailer 2
-
$412 USD
View
Final sale: no returns
A
Retailer 3
-
$427 USD
View
A
Retailer 4
-
$450 USD
View
Price last confirmed 47 days ago
A
Retailer 5
-
$456 USD
View
A
Retailer 6
-
$456 USD
View
A
Retailer 7
-
$605 USD
View
B+
Retailer 8
-
$692 USD
View
B+
Retailer 9
-
$709 USD
View
B+
Retailer 10
-
$715 USD
£563 GBP
View
B+
Retailer 11
-
$728 USD
View
B+
Retailer 12
-
$784 USD
ZAR 12,667 ZAR
View
B
Retailer 13
-
$1,338 USD
View
B
Retailer 14
-
$1,467 USD
View
B
Retailer 15
-
$1,507 USD
View
Most Expensive
B
MOH London
LG557241137 · Oct 29
$1,792 USD
£1,411 GBP
View
15 more retailers have this diamond
Prices start from $368 USDSave up to $1,424 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
$368 USD