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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 $637 NZD
$359 USD
As of November 1, 2026
Save $2,450 NZD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,087 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 LG555273782 or 555273782. Listed at 15 retailers as of November 1, 2026, with prices from $637 to $3,087, a $2,450 spread on the same certified stone. MOH London lists it at $3,087. 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

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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 1
Current: $3,087 NZD|Low: $612 NZD|High: $3,125 NZD|Avg: $1,442 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
Retailer 14
Retailer 15
November 2, 2026
Retailer 11$637 NZD
Retailer 6$713 NZD
Retailer 14$740 NZD
Retailer 4$790 NZD
Retailer 13$790 NZD
Retailer 9$1,056 NZD
Retailer 8$1,099 NZD
Retailer 12$1,176 NZD
Retailer 5$1,240 NZD
Retailer 15$1,265 NZD
Retailer 2$1,362 NZD
Retailer 10$2,317 NZD
Retailer 3$2,539 NZD
Retailer 7$2,612 NZD
MOH London$3,087 NZD

38 data points across 15 retailers

15 retailers$637 NZD to $3,087 NZD

A
Cheapest Retailer
-
$637 NZD
$359 USD
A
Retailer 2
-
$713 NZD
$402 USD
View
Final sale: no returns
A
Retailer 3
-
$740 NZD
$417 USD
View
Retailer 4
-
$790 NZD
$445 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$790 NZD
$445 USD
View
A
Retailer 6
-
$1,056 NZD
$595 USD
View
A
Retailer 7
-
$1,099 NZD
£488 GBP
View
A
Retailer 8
-
$1,176 NZD
$663 USD
View
A
Retailer 9
-
$1,240 NZD
$699 USD
View
A
Retailer 10
-
$1,265 NZD
$713 USD
View
A
Retailer 11
-
$1,362 NZD
ZAR 12,405 ZAR
View
B+
Retailer 12
-
$2,317 NZD
$1,306 USD
View
B+
Retailer 13
-
$2,539 NZD
$1,431 USD
View
B+
Retailer 14
-
$2,612 NZD
$1,472 USD
View
Most Expensive
B+
MOH London
LG555273782 · Nov 1
$3,087 NZD
£1,370 GBP
View
14 more retailers have this diamond
Prices start from $637 NZDSave up to $2,450 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
$637 NZD