CaratHunter
Plans
Cushion|Lab Grown|IGI

1.51ct H VS1 Cushion Lab Grown Diamond

EX • H/VS1 • IGI LG539230636

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG539230636

Diamond specifications and retailer prices

From $530 NZD
As of November 4, 2026
Save $1,826 NZD (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,357 NZD at MOH London · As of November 1, 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 LG539230636 or 539230636. Listed at 12 retailers as of November 1, 2026, with prices from $530 to $2,357, a $1,826 spread on the same certified stone. MOH London lists it at $2,357. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG539230636
Dimensions6.64 × 6.29 × 4.26 mm
L/W Ratio1.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.64 mm6.29 mm1.51 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG539230636
Side View
Table 64.5%Crown 35.4°Girdle: STK-THKPavilion 36.7°Culet: NoneDepth 67.7%

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: $2,357 NZD|Low: $380 NZD|High: $2,386 NZD|Avg: $1,274 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
Retailer 13
November 4, 2026
Retailer 11$530 NZD
Retailer 7$589 NZD
Retailer 3$772 NZD
Retailer 2$782 NZD
Retailer 4$910 NZD
Retailer 8$914 NZD
Retailer 9$977 NZD
Retailer 6$1,013 NZD
Retailer 12$1,054 NZD
Retailer 5$1,916 NZD
Retailer 13$2,134 NZD
Retailer 10$2,258 NZD
MOH London$2,357 NZD

39 data points across 13 retailers

12 retailers$530 NZD to $2,357 NZD

A
Cheapest Retailer
-
$530 NZD
Final sale: no returns
Retailer 2
-
$589 NZD
View
Price last confirmed 11 days ago
Retailer 3
-
$772 NZD
View
Price last confirmed 28 days ago
A
Retailer 4
-
$782 NZD
View
A
Retailer 5
-
$910 NZD
View
A
Retailer 6
-
$914 NZD
View
B+
Retailer 7
-
$977 NZD
View
A
Retailer 8
-
$1,013 NZD
View
A
Retailer 9
-
$1,054 NZD
View
B
Retailer 10
-
$1,916 NZD
View
Retailer 11
-
$2,258 NZD
View
Price last confirmed 29 days ago
Most Expensive
B
MOH London
LG539230636 · Nov 1
$2,357 NZD
£1,046 GBP
View
11 more retailers have this diamond
Prices start from $530 NZDSave up to $1,826 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
$530 NZD