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Round|Lab Grown|IGI

1.51ct J VS1 Round Lab Grown Diamond

EX • J/VS1 • IGI LG555273782

Shape and cutting style on the report: Round brilliant

Certificate IGI LG555273782

Diamond specifications and retailer prices

From $359 USD
As of October 29, 2026
Save $1,383 USD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,742 USD at MOH London · As of October 26, 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 J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG555273782 or 555273782. Listed at 15 retailers as of October 26, 2026, with prices from $359 to $1,742, a $1,383 spread on the same certified stone. MOH London lists it at $1,742. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
J
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG555273782
Dimensions7.34 × 7.30 × 4.52 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
7.34 mm7.30 mm1.51 ctJ / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG555273782
Side View
Table 60.5%Crown 35.7°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.8%

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: $1,742 USD|Low: $345 USD|High: $1,761 USD|Avg: $813 USD|-0.9%
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 30, 2026
Retailer 11$359 USD
Retailer 6$402 USD
Retailer 14$417 USD
Retailer 4$445 USD
Retailer 13$445 USD
Retailer 9$595 USD
Retailer 2$621 USD
Retailer 12$663 USD
Retailer 5$699 USD
Retailer 15$713 USD
Retailer 8$765 USD
Retailer 10$1,306 USD
Retailer 3$1,431 USD
Retailer 7$1,472 USD
MOH London$1,742 USD

36 data points across 15 retailers

15 retailers$359 USD to $1,742 USD

A
Cheapest Retailer
-
$359 USD
A
Retailer 2
-
$402 USD
View
Final sale: no returns
A
Retailer 3
-
$417 USD
View
A
Retailer 4
-
$445 USD
View
A
Retailer 5
-
$445 USD
View
A
Retailer 6
-
$595 USD
View
A
Retailer 7
-
$621 USD
£489 GBP
View
A
Retailer 8
-
$663 USD
View
A
Retailer 9
-
$699 USD
View
A
Retailer 10
-
$713 USD
View
A
Retailer 11
-
$765 USD
ZAR 12,362 ZAR
View
B+
Retailer 12
-
$1,306 USD
View
B+
Retailer 13
-
$1,431 USD
View
B+
Retailer 14
-
$1,472 USD
View
Most Expensive
B+
MOH London
LG555273782 · Oct 26
$1,742 USD
£1,372 GBP
View
14 more retailers have this diamond
Prices start from $359 USDSave up to $1,383 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
1.51ct Round
$359 USD