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Round|Lab Grown|IGI

1.54ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG555273875

Shape and cutting style on the report: Round brilliant

Certificate IGI LG555273875

Diamond specifications and retailer prices

From $649 NZD
As of November 5, 2026
Save $2,498 NZD (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,147 NZD at MOH London · As of November 3, 2026
View at MOH London

About this 1.54ct lab-grown round diamond

This 1.54ct 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 LG555273875 or 555273875. Listed at 16 retailers as of November 3, 2026, with prices from $649 to $3,147, a $2,498 spread on the same certified stone. MOH London lists it at $3,147. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
J
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG555273875
Dimensions7.36 × 7.32 × 4.58 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
7.36 mm7.32 mm1.54 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG555273875
Side View
Table 57.0%Crown 35.2°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.4%

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: Nov 5
Current: $3,147 NZD|Low: $649 NZD|High: $3,185 NZD|Avg: $1,515 NZD|-1.2%
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
November 2, 2026
Retailer 11$649 NZD
Retailer 14$728 NZD
Retailer 12$806 NZD
Retailer 4$888 NZD
Retailer 8$1,076 NZD
Retailer 3$1,220 NZD
Retailer 6$1,258 NZD
Retailer 13$1,258 NZD
Retailer 10$1,288 NZD
Retailer 2$1,388 NZD
Retailer 7$1,405 NZD
Retailer 9$2,362 NZD
Retailer 5$2,659 NZD
MOH London$3,147 NZD

23 data points across 14 retailers

16 retailers$649 NZD to $3,147 NZD

A
Cheapest Retailer
-
$649 NZD
A
Retailer 2
-
$728 NZD
View
Final sale: no returns
A
Retailer 3
-
$752 NZD
View
Retailer 4
-
$806 NZD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$806 NZD
View
A
Retailer 6
-
$888 NZD
View
A
Retailer 7
-
$1,076 NZD
View
A
Retailer 8
-
$1,220 NZD
View
A
Retailer 9
-
$1,258 NZD
View
A
Retailer 10
-
$1,288 NZD
View
A
Retailer 11
-
$1,388 NZD
View
A
Retailer 12
-
$1,405 NZD
View
A
Retailer 13
-
$2,362 NZD
View
B+
Retailer 14
-
$2,588 NZD
View
B+
Retailer 15
-
$2,659 NZD
View
Most Expensive
B+
MOH London
LG555273875 · Nov 3
$3,147 NZD
£1,393 GBP
View
15 more retailers have this diamond
Prices start from $649 NZDSave up to $2,498 NZD

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
1.54ct Round
$649 NZD