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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 $511 AUD
$359 USD
As of October 29, 2026
Save $1,969 AUD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,481 AUD 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 $511 to $2,481, a $1,969 spread on the same certified stone. MOH London lists it at $2,481. 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
Colour
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

How it works →
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: $2,481 AUD|Low: $491 AUD|High: $2,508 AUD|Avg: $1,158 AUD|-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$511 AUD
Retailer 6$572 AUD
Retailer 14$594 AUD
Retailer 4$634 AUD
Retailer 13$634 AUD
Retailer 9$847 AUD
Retailer 2$885 AUD
Retailer 12$944 AUD
Retailer 5$995 AUD
Retailer 15$1,015 AUD
Retailer 8$1,089 AUD
Retailer 10$1,859 AUD
Retailer 3$2,037 AUD
Retailer 7$2,096 AUD
MOH London$2,481 AUD

36 data points across 15 retailers

15 retailers$511 AUD to $2,481 AUD

A
Cheapest Retailer
-
$511 AUD
$359 USD
A
Retailer 2
-
$572 AUD
$402 USD
View
Final sale: no returns
A
Retailer 3
-
$594 AUD
$417 USD
View
A
Retailer 4
-
$634 AUD
$445 USD
View
A
Retailer 5
-
$634 AUD
$445 USD
View
A
Retailer 6
-
$847 AUD
$595 USD
View
A
Retailer 7
-
$885 AUD
£489 GBP
View
A
Retailer 8
-
$944 AUD
$663 USD
View
A
Retailer 9
-
$995 AUD
$699 USD
View
A
Retailer 10
-
$1,015 AUD
$713 USD
View
A
Retailer 11
-
$1,089 AUD
ZAR 12,362 ZAR
View
B+
Retailer 12
-
$1,859 AUD
$1,306 USD
View
B+
Retailer 13
-
$2,037 AUD
$1,431 USD
View
B+
Retailer 14
-
$2,096 AUD
$1,472 USD
View
Most Expensive
B+
MOH London
LG555273782 · Oct 26
$2,481 AUD
£1,372 GBP
View
14 more retailers have this diamond
Prices start from $511 AUDSave up to $1,969 AUD

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
$511 AUD