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Round|Lab Grown|IGI

1.51ct J VS1 Round Lab Grown Diamond

EX • J/VS1 • IGI LG500151241

Shape and cutting style on the report: Round brilliant

Certificate IGI LG500151241

Diamond specifications and retailer prices

From $1,564 NZD
$880 USD
As of October 31, 2026
Save $7,230 NZD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,794 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 LG500151241 or 500151241. Listed at 12 retailers as of October 31, 2026, with prices from $1,564 to $8,794, a $7,230 spread on the same certified stone. MOH London lists it at $8,794. 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 angle36.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500151241
Dimensions7.30 × 7.25 × 4.57 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
7.30 mm7.25 mm1.51 ctJ / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500151241
Side View
Table 59.0%Crown 36.4°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.8%

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: $8,794 NZD|Low: $1,564 NZD|High: $8,900 NZD|Avg: $4,046 NZD
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$1,564 NZD
Retailer 7$2,360 NZD
Retailer 10$2,643 NZD
Retailer 8$2,737 NZD
Retailer 11$2,737 NZD
Retailer 12$3,039 NZD
Retailer 4$3,192 NZD
Retailer 3$3,763 NZD
Retailer 9$4,328 NZD
Retailer 6$5,031 NZD
Retailer 13$5,101 NZD
Retailer 5$6,124 NZD
MOH London$8,794 NZD

18 data points across 13 retailers

12 retailers$1,564 NZD to $8,794 NZD

A
Cheapest Retailer
-
$1,564 NZD
$880 USD
A
Retailer 2
-
$2,360 NZD
$1,328 USD
View
B+
Retailer 3
-
$2,566 NZD
$1,444 USD
View
B+
Retailer 4
-
$2,643 NZD
$1,487 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,737 NZD
$1,540 USD
View
Retailer 6
-
$2,737 NZD
$1,540 USD
View
Price last confirmed 20 days ago
B+
Retailer 7
-
$3,039 NZD
$1,710 USD
View
B
Retailer 8
-
$4,328 NZD
$2,435 USD
View
B
Retailer 9
-
$5,031 NZD
ZAR 45,734 ZAR
View
B
Retailer 10
-
$5,101 NZD
$2,870 USD
View
B
Retailer 11
-
$5,131 NZD
$2,887 USD
View
Most Expensive
B
MOH London
LG500151241 · Nov 1
$8,794 NZD
£3,896 GBP
View
11 more retailers have this diamond
Prices start from $1,564 NZDSave up to $7,230 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
$1,564 NZD