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Radiant|Lab Grown|IGI

1.50ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG642458887

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

Certificate IGI LG642458887

Diamond specifications and retailer prices

From $509 NZD
As of November 4, 2026
Save $4,015 NZD (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $5,304 NZD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG642458887 or 642458887. Listed at 23 retailers as of November 4, 2026, with a 789% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.5°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG642458887
Dimensions8.17 × 5.64 × 3.77 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.17 mm5.64 mm1.50 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG642458887
Side View
Table 64.0%Crown 42.5°Girdle: MED-STKPavilion 36.8°Culet: NoneDepth 66.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,231 NZD|Low: $490 NZD|High: $2,826 NZD|Avg: $1,361 NZD|+2.2%
Retailer 1
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
November 5, 2026
Retailer 2$509 NZD
Retailer 9$569 NZD
Retailer 6$591 NZD
Retailer 3$632 NZD
Retailer 7$632 NZD
Retailer 16$841 NZD
Retailer 17$914 NZD
Retailer 11$1,201 NZD
Retailer 8$1,226 NZD
Retailer 1$1,231 NZD
Retailer 10$1,637 NZD
Retailer 13$1,825 NZD
Retailer 15$1,941 NZD
Retailer 14$1,951 NZD
Retailer 5$2,241 NZD
Retailer 4$2,429 NZD
Retailer 12$2,792 NZD

46 data points across 17 retailers

23 retailers$509 NZD to $4,524 NZD

A
Cheapest Retailer
-
$509 NZD
A
Retailer 2
-
$569 NZD
View
Final sale: no returns
A
Retailer 3
-
$591 NZD
View
Retailer 4
-
$632 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$632 NZD
View
A
Retailer 6
-
$733 NZD
View
A
Retailer 7
-
$841 NZD
View
A
Retailer 8
-
$914 NZD
View
B+
Retailer 9
-
$1,201 NZD
View
B+
Retailer 10
-
$1,226 NZD
View
B+
Retailer 11
-
$1,231 NZD
View
B+
Retailer 12
-
$1,637 NZD
View
B
Retailer 13
-
$1,825 NZD
View
B
Retailer 14
-
$1,941 NZD
View
Retailer 15
-
$1,951 NZD
View
Price last confirmed 15 days ago
B
Retailer 16
-
$2,022 NZD
View
B
Retailer 17
-
$2,241 NZD
View
B
Retailer 18
-
$2,429 NZD
View
B
Retailer 19
-
$2,528 NZD
View
B
Retailer 20
-
$2,604 NZD
View
B
Retailer 21
-
$2,792 NZD
View
B
Retailer 22
-
$4,524 NZD
View
Most Expensive
Do Amore Diamonds
23-642458887 · Nov 4
$5,304 NZD
$2,990 USD
View
Price under review
22 more retailers have this diamond
Prices start from $509 NZDSave up to $4,015 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
$509 NZD