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Round|Lab Grown|IGI

1.50ct I VS1 Round Lab Grown Diamond

EX • I/VS1 • IGI LG555273791

Shape and cutting style on the report: Round brilliant

Certificate IGI LG555273791

Diamond specifications and retailer prices

From $356 USD
As of October 29, 2026
Save $1,380 USD (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,736 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 LG555273791 or 555273791. Listed at 16 retailers as of October 29, 2026, with prices from $356 to $1,736, a $1,380 spread on the same certified stone. MOH London lists it at $1,736. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG555273791
Dimensions7.33 × 7.27 × 4.49 mm
L/W Ratio1.01
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
7.33 mm7.27 mm1.50 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG555273791
Side View
Table 60.0%Crown 35.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.4%

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: $1,736 USD|Low: $284 USD|High: $1,748 USD|Avg: $783 USD|+0.6%
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
October 29, 2026
Retailer 12$356 USD
Retailer 15$399 USD
Retailer 3$442 USD
Retailer 13$442 USD
Retailer 5$486 USD
Retailer 8$595 USD
Retailer 4$688 USD
Retailer 14$696 USD
Retailer 7$704 USD
Retailer 11$708 USD
Retailer 2$759 USD
Retailer 9$870 USD
Retailer 10$1,296 USD
Retailer 6$1,461 USD
MOH London$1,736 USD

26 data points across 15 retailers

16 retailers$356 USD to $1,736 USD

A
Cheapest Retailer
-
$356 USD
A
Retailer 2
-
$399 USD
View
Final sale: no returns
A
Retailer 3
-
$413 USD
View
A
Retailer 4
-
$442 USD
View
A
Retailer 5
-
$442 USD
View
A
Retailer 6
-
$486 USD
HK$3,800 HKD
View
A
Retailer 7
-
$595 USD
View
B+
Retailer 8
-
$688 USD
View
B+
Retailer 9
-
$696 USD
View
B+
Retailer 10
-
$708 USD
View
B+
Retailer 11
-
$759 USD
ZAR 12,267 ZAR
View
B+
Retailer 12
-
$870 USD
View
B
Retailer 13
-
$1,296 USD
View
B
Retailer 14
-
$1,420 USD
View
B
Retailer 15
-
$1,461 USD
View
Most Expensive
B
MOH London
LG555273791 · Oct 29
$1,736 USD
£1,367 GBP
View
15 more retailers have this diamond
Prices start from $356 USDSave up to $1,380 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
$356 USD