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Round|Lab Grown|IGI

1.51ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG451057449

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451057449

Diamond specifications and retailer prices

From $1,239 AUD
$870 USD
As of October 31, 2026
Save $5,843 AUD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,082 AUD at MOH London · As of October 29, 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 LG451057449 or 451057449. Listed at 12 retailers as of October 29, 2026, with prices from $1,239 to $7,082, a $5,843 spread on the same certified stone. MOH London lists it at $7,082. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057449
Dimensions7.37 × 7.32 × 4.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.37 mm7.32 mm1.51 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451057449
Side View
Table 54.0%Crown 35.5°Girdle: MediumPavilion 40.3°Culet: NoneDepth 62.1%

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 31
Current: $7,082 AUD|Low: $1,239 AUD|High: $7,129 AUD|Avg: $3,219 AUD|+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
Retailer 14
October 30, 2026
Retailer 2$1,239 AUD
Retailer 8$1,891 AUD
Retailer 11$2,056 AUD
Retailer 13$2,117 AUD
Retailer 9$2,192 AUD
Retailer 14$2,434 AUD
Retailer 5$2,557 AUD
Retailer 4$3,014 AUD
Retailer 10$3,466 AUD
Retailer 7$4,030 AUD
Retailer 3$4,086 AUD
Retailer 12$4,110 AUD
Retailer 6$4,905 AUD
MOH London$7,082 AUD

19 data points across 14 retailers

12 retailers$1,239 AUD to $7,082 AUD

A
Cheapest Retailer
-
$1,239 AUD
$870 USD
A
Retailer 2
-
$1,891 AUD
$1,328 USD
View
B+
Retailer 3
-
$2,056 AUD
$1,444 USD
View
B+
Retailer 4
-
$2,117 AUD
$1,487 USD
View
Final sale: no returns
Retailer 5
-
$2,192 AUD
$1,540 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
$2,192 AUD
$1,540 USD
View
B+
Retailer 7
-
$2,434 AUD
$1,710 USD
View
B
Retailer 8
-
$3,466 AUD
$2,435 USD
View
B
Retailer 9
-
$4,030 AUD
ZAR 45,734 ZAR
View
B
Retailer 10
-
$4,086 AUD
$2,870 USD
View
B
Retailer 11
-
$4,110 AUD
$2,887 USD
View
Most Expensive
B
MOH London
LG451057449 · Oct 29
$7,082 AUD
£3,917 GBP
View
11 more retailers have this diamond
Prices start from $1,239 AUDSave up to $5,843 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
$1,239 AUD