Cushion|Lab Grown|IGI

1.51ct F VVS1 Cushion Lab Grown Diamond

VG • F/VVS1 • IGI LG839603122

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG839603122

Diamond specifications and retailer prices

From $736 NZD
As of November 6, 2026
Save $1,450 NZD (66%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,186 NZD at MOH London · As of November 5, 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 F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG839603122 or 839603122. Listed at 7 retailers as of November 5, 2026, with prices from $736 to $2,186, a $1,450 spread on the same certified stone. MOH London lists it at $2,186. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
F
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839603122
Dimensions6.71 × 6.67 × 4.37 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.71 mm6.67 mm1.51 ctF / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839603122
Side View
Table 68.0%Crown 36.3°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 65.5%

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 6
Current: $2,186 NZD|Low: $736 NZD|High: $2,204 NZD|Avg: $1,366 NZD|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7$736 NZD
Retailer 2$902 NZD
Retailer 3$1,025 NZD
Retailer 5$1,117 NZD
Retailer 4$1,681 NZD
Retailer 6$1,851 NZD
MOH London$2,186 NZD

10 data points across 7 retailers

7 retailers$736 NZD to $2,186 NZD

B+
Cheapest Retailer
-
$736 NZD
A
Retailer 2
-
$902 NZD
View
A
Retailer 3
-
$1,025 NZD
View
A
Retailer 4
-
$1,117 NZD
View
B
Retailer 5
-
$1,681 NZD
View
B+
Retailer 6
-
$1,851 NZD
View
Most Expensive
B
MOH London
LG839603122 · Nov 5
$2,186 NZD
£954 GBP
View
6 more retailers have this diamond
Prices start from $736 NZDSave up to $1,450 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
$736 NZD