Round|Lab Grown|IGI

1.51ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG497155927

Shape and cutting style on the report: Round brilliant

Certificate IGI LG497155927

Diamond specifications and retailer prices

From $1,544 NZD
$870 USD
As of October 31, 2026
Save $7,235 NZD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,779 NZD at MOH London · As of November 1, 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 LG497155927 or 497155927. Listed at 12 retailers as of October 31, 2026, with prices from $1,544 to $8,779, a $7,235 spread on the same certified stone. MOH London lists it at $8,779. 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 angle35.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497155927
Dimensions7.32 × 7.34 × 4.56 mm
L/W Ratio1.00
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
7.32 mm7.34 mm1.51 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497155927
Side View
Table 56.5%Crown 35.8°GirdlePavilion 40.6°Culet: NoneDepth 62.2%

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: $8,779 NZD|Low: $1,544 NZD|High: $8,896 NZD|Avg: $4,079 NZD|-1.1%
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
November 1, 2026
Retailer 2$1,544 NZD
Retailer 7$2,356 NZD
Retailer 11$2,562 NZD
Retailer 10$2,638 NZD
Retailer 8$2,732 NZD
Retailer 13$3,034 NZD
Retailer 4$3,756 NZD
Retailer 9$4,320 NZD
Retailer 6$5,023 NZD
Retailer 3$5,092 NZD
Retailer 12$5,122 NZD
Retailer 5$6,114 NZD
MOH London$8,779 NZD

23 data points across 13 retailers

12 retailers$1,544 NZD to $8,779 NZD

A
Cheapest Retailer
-
$1,544 NZD
$870 USD
A
Retailer 2
-
$2,356 NZD
$1,328 USD
View
B+
Retailer 3
-
$2,562 NZD
$1,444 USD
View
B+
Retailer 4
-
$2,638 NZD
$1,487 USD
View
Final sale: no returns
Retailer 5
-
$2,732 NZD
$1,540 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
$2,732 NZD
$1,540 USD
View
B+
Retailer 7
-
$3,034 NZD
$1,710 USD
View
B
Retailer 8
-
$4,320 NZD
$2,435 USD
View
B
Retailer 9
-
$5,023 NZD
ZAR 45,734 ZAR
View
B
Retailer 10
-
$5,092 NZD
$2,870 USD
View
B
Retailer 11
-
$5,122 NZD
$2,887 USD
View
Most Expensive
B
MOH London
LG497155927 · Nov 1
$8,779 NZD
£3,896 GBP
View
11 more retailers have this diamond
Prices start from $1,544 NZDSave up to $7,235 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
1.51ct Round
$1,544 NZD