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Cushion|Lab Grown|IGI

1.51ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG530221759

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG530221759

Diamond specifications and retailer prices

From $509 NZD
As of November 4, 2026
Save $1,755 NZD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,264 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 1.51ct lab-grown cushion diamond

This 1.51ct lab-grown cushion 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 LG530221759 or 530221759. Listed at 11 retailers as of November 2, 2026, with prices from $509 to $2,264, a $1,755 spread on the same certified stone. MOH London lists it at $2,264. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG530221759
Dimensions7.17 × 7.14 × 4.37 mm
L/W Ratio1.00
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
7.17 mm7.14 mm1.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG530221759
Side View
Table 61.0%Crown 35.6°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.2%

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: $2,264 NZD|Low: $509 NZD|High: $2,291 NZD|Avg: $1,279 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
November 3, 2026
Retailer 11$509 NZD
Retailer 7$564 NZD
Retailer 8$878 NZD
Retailer 12$903 NZD
Retailer 9$942 NZD
Retailer 5$974 NZD
Retailer 10$1,164 NZD
Retailer 2$1,320 NZD
Retailer 4$1,513 NZD
Retailer 6$1,809 NZD
Retailer 3$2,189 NZD
MOH London$2,264 NZD

22 data points across 12 retailers

11 retailers$509 NZD to $2,264 NZD

A
Cheapest Retailer
-
$509 NZD
Final sale: no returns
Retailer 2
-
$564 NZD
View
Price last confirmed 20 days ago
A
Retailer 3
-
$878 NZD
View
A
Retailer 4
-
$903 NZD
View
A
Retailer 5
-
$942 NZD
View
A
Retailer 6
-
$974 NZD
View
A
Retailer 7
-
$1,164 NZD
View
A
Retailer 8
-
$1,320 NZD
View
B+
Retailer 9
-
$1,809 NZD
View
B
Retailer 10
-
$1,905 NZD
View
Most Expensive
B
MOH London
LG530221759 · Nov 2
$2,264 NZD
£1,005 GBP
View
10 more retailers have this diamond
Prices start from $509 NZDSave up to $1,755 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 Cushion
$509 NZD