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Radiant|Lab Grown|IGI

1.50ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG778659548

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG778659548

Diamond specifications and retailer prices

From $362 NZD
As of November 4, 2026
Save $1,727 NZD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,089 NZD at MOH London · As of November 5, 2026
View at MOH London

About this 1.5ct lab-grown radiant diamond

This 1.5ct lab-grown radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778659548 or 778659548. Listed at 18 retailers as of November 4, 2026, with prices from $362 to $2,089, a $1,727 spread on the same certified stone. MOH London lists it at $2,089. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.8°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778659548
Dimensions7.98 × 3.75 × 3.75 mm
L/W Ratio2.13
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.98 mm3.75 mm1.50 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778659548
Side View
Table 66.0%Crown 40.8°Girdle: MED-STKPavilion 35.4°Culet: NoneDepth 66.7%

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 4
Current: $2,089 NZD|Low: $351 NZD|High: $2,143 NZD|Avg: $1,075 NZD|-2.4%
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
Retailer 16
Retailer 17
Retailer 18
November 5, 2026
Retailer 18$362 NZD
Retailer 17$403 NZD
Retailer 14$419 NZD
Retailer 7$447 NZD
Retailer 8$451 NZD
Retailer 13$772 NZD
Retailer 3$775 NZD
Retailer 9$860 NZD
Retailer 16$1,034 NZD
Retailer 12$1,043 NZD
Retailer 11$1,176 NZD
Retailer 2$1,393 NZD
Retailer 15$1,439 NZD
Retailer 4$1,453 NZD
Retailer 6$1,533 NZD
Retailer 10$1,739 NZD
Retailer 5$1,804 NZD
MOH London$2,089 NZD

36 data points across 18 retailers

18 retailers$362 NZD to $2,089 NZD

A
Cheapest Retailer
-
$362 NZD
A
Retailer 2
-
$403 NZD
View
Final sale: no returns
A
Retailer 3
-
$419 NZD
View
A
Retailer 4
-
$447 NZD
View
Retailer 5
-
$451 NZD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$772 NZD
View
B+
Retailer 7
-
$775 NZD
View
A
Retailer 8
-
$860 NZD
View
A
Retailer 9
-
$1,034 NZD
View
A
Retailer 10
-
$1,043 NZD
View
A
Retailer 11
-
$1,176 NZD
View
B+
Retailer 12
-
$1,393 NZD
View
B+
Retailer 13
-
$1,439 NZD
View
B+
Retailer 14
-
$1,453 NZD
View
B+
Retailer 15
-
$1,533 NZD
View
B+
Retailer 16
-
$1,739 NZD
View
B+
Retailer 17
-
$1,804 NZD
View
Most Expensive
B
MOH London
LG778659548 · Nov 5
$2,089 NZD
£927 GBP
View
17 more retailers have this diamond
Prices start from $362 NZDSave up to $1,727 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
1.50ct Radiant
$362 NZD