Round|Lab Grown|IGI

1.45ct J VS2 Round Lab Grown Diamond

EX • J/VS2 • IGI LG451057581

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451057581

Diamond specifications and retailer prices

From $1,336 NZD
As of November 5, 2026
Save $4,748 NZD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,084 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.45ct lab-grown round diamond

This 1.45ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG451057581 or 451057581. Listed at 12 retailers as of November 1, 2026, with prices from $1,336 to $6,084, a $4,748 spread on the same certified stone. MOH London lists it at $6,084. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
J
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057581
Dimensions7.31 × 7.25 × 4.37 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.31 mm7.25 mm1.45 ctJ / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451057581
Side View
Table 60.0%Crown 33.9°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.9%

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: $6,084 NZD|Low: $1,283 NZD|High: $6,165 NZD|Avg: $2,458 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 6, 2026
Retailer 8$1,336 NZD
Retailer 3$1,453 NZD
Retailer 13$1,496 NZD
Retailer 10$1,549 NZD
Retailer 12$1,549 NZD
Retailer 2$1,788 NZD
Retailer 9$1,832 NZD
Retailer 6$1,868 NZD
Retailer 5$2,446 NZD
Retailer 11$2,510 NZD
Retailer 7$3,684 NZD
Retailer 4$4,357 NZD
MOH London$6,084 NZD

41 data points across 13 retailers

12 retailers$1,336 NZD to $6,084 NZD

A
Cheapest Retailer
-
$1,336 NZD
A
Retailer 2
-
$1,453 NZD
View
A
Retailer 3
-
$1,496 NZD
View
Final sale: no returns
Retailer 4
-
$1,549 NZD
View
Price last confirmed 20 days ago
A
Retailer 5
-
$1,549 NZD
View
A
Retailer 6
-
$1,788 NZD
View
B+
Retailer 7
-
$1,832 NZD
View
A
Retailer 8
-
$1,868 NZD
View
B+
Retailer 9
-
$2,510 NZD
View
B
Retailer 10
-
$3,684 NZD
View
B
Retailer 11
-
$4,357 NZD
View
Most Expensive
B
MOH London
LG451057581 · Nov 1
$6,084 NZD
£2,693 GBP
View
11 more retailers have this diamond
Prices start from $1,336 NZDSave up to $4,748 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
1.45ct Round
$1,336 NZD